diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 4139151b..10e46191 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -3,25 +3,25 @@
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.20228.4">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.20330.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>590a102630c7efc7ca6f652f7c6c47dee4c4086c</Sha>
+      <Sha>243cc92161ad44c2a07464425892daee19121c99</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="5.0.0-beta.20228.4">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="5.0.0-beta.20330.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>590a102630c7efc7ca6f652f7c6c47dee4c4086c</Sha>
+      <Sha>243cc92161ad44c2a07464425892daee19121c99</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SignTool" Version="5.0.0-beta.20228.4">
+    <Dependency Name="Microsoft.DotNet.SignTool" Version="5.0.0-beta.20330.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>590a102630c7efc7ca6f652f7c6c47dee4c4086c</Sha>
+      <Sha>243cc92161ad44c2a07464425892daee19121c99</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="5.0.0-beta.20228.4">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="5.0.0-beta.20330.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>590a102630c7efc7ca6f652f7c6c47dee4c4086c</Sha>
+      <Sha>243cc92161ad44c2a07464425892daee19121c99</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="5.0.0-beta.20228.4">
+    <Dependency Name="Microsoft.DotNet.SwaggerGenerator.MSBuild" Version="5.0.0-beta.20330.3">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>590a102630c7efc7ca6f652f7c6c47dee4c4086c</Sha>
+      <Sha>243cc92161ad44c2a07464425892daee19121c99</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Maestro.Client" Version="1.1.0-beta.19556.4">
       <Uri>https://github.com/dotnet/arcade-services</Uri>
diff --git a/eng/common/build.ps1 b/eng/common/build.ps1
index 813d440d..67ee6d28 100644
--- a/eng/common/build.ps1
+++ b/eng/common/build.ps1
@@ -20,6 +20,7 @@ Param(
   [switch] $publish,
   [switch] $clean,
   [switch][Alias('bl')]$binaryLog,
+  [switch][Alias('nobl')]$excludeCIBinarylog,
   [switch] $ci,
   [switch] $prepareMachine,
   [switch] $help,
@@ -58,6 +59,7 @@ function Print-Usage() {
   Write-Host "Advanced settings:"
   Write-Host "  -projects <value>       Semi-colon delimited list of sln/proj's to build. Globbing is supported (*.sln)"
   Write-Host "  -ci                     Set when running on CI server"
+  Write-Host "  -excludeCIBinarylog     Don't output binary log (short: -nobl)"
   Write-Host "  -prepareMachine         Prepare machine for CI run, clean up processes after build"
   Write-Host "  -warnAsError <value>    Sets warnaserror msbuild parameter ('true' or 'false')"
   Write-Host "  -msbuildEngine <value>  Msbuild engine to use to run build ('dotnet', 'vs', or unspecified)."
@@ -134,7 +136,9 @@ try {
   }
 
   if ($ci) {
-    $binaryLog = $true
+    if (-not $excludeCIBinarylog) {
+      $binaryLog = $true
+    }
     $nodeReuse = $false
   }
 
diff --git a/eng/common/build.sh b/eng/common/build.sh
index 36f9aa04..6d7c5a1f 100755
--- a/eng/common/build.sh
+++ b/eng/common/build.sh
@@ -32,6 +32,7 @@ usage()
   echo "Advanced settings:"
   echo "  --projects <value>       Project or solution file(s) to build"
   echo "  --ci                     Set when running on CI server"
+  echo "  --excludeCIBinarylog     Don't output binary log (short: -nobl)"
   echo "  --prepareMachine         Prepare machine for CI run, clean up processes after build"
   echo "  --nodeReuse <value>      Sets nodereuse msbuild parameter ('true' or 'false')"
   echo "  --warnAsError <value>    Sets warnaserror msbuild parameter ('true' or 'false')"
@@ -68,6 +69,7 @@ clean=false
 warn_as_error=true
 node_reuse=true
 binary_log=false
+exclude_ci_binary_log=false
 pipelines_log=false
 
 projects=''
@@ -98,6 +100,9 @@ while [[ $# > 0 ]]; do
     -binarylog|-bl)
       binary_log=true
       ;;
+    -excludeCIBinarylog|-nobl)
+      exclude_ci_binary_log=true
+      ;;
     -pipelineslog|-pl)
       pipelines_log=true
       ;;
@@ -156,8 +161,10 @@ done
 
 if [[ "$ci" == true ]]; then
   pipelines_log=true
-  binary_log=true
   node_reuse=false
+  if [[ "$exclude_ci_binary_log" == false ]]; then
+    binary_log=true
+  fi
 fi
 
 . "$scriptroot/tools.sh"
diff --git a/eng/common/cross/armel/tizen-build-rootfs.sh b/eng/common/cross/armel/tizen-build-rootfs.sh
index 87c48e78..25a0efa0 100755
--- a/eng/common/cross/armel/tizen-build-rootfs.sh
+++ b/eng/common/cross/armel/tizen-build-rootfs.sh
@@ -9,13 +9,6 @@ if [[ -z "$ROOTFS_DIR" ]]; then
     exit 1;
 fi
 
-# Clean-up (TODO-Cleanup: We may already delete  $ROOTFS_DIR at ./cross/build-rootfs.sh.)
-# hk0110
-if [ -d "$ROOTFS_DIR" ]; then
-    umount $ROOTFS_DIR/*
-    rm -rf $ROOTFS_DIR
-fi
-
 TIZEN_TMP_DIR=$ROOTFS_DIR/tizen_tmp
 mkdir -p $TIZEN_TMP_DIR
 
diff --git a/eng/common/cross/build-rootfs.sh b/eng/common/cross/build-rootfs.sh
index d780fefb..ffdff385 100755
--- a/eng/common/cross/build-rootfs.sh
+++ b/eng/common/cross/build-rootfs.sh
@@ -8,8 +8,10 @@ usage()
     echo "BuildArch can be: arm(default), armel, arm64, x86"
     echo "CodeName - optional, Code name for Linux, can be: trusty, xenial(default), zesty, bionic, alpine. If BuildArch is armel, LinuxCodeName is jessie(default) or tizen."
     echo "                              for FreeBSD can be: freebsd11 or freebsd12."
+    echo "                              for illumos can be: illumos."
     echo "lldbx.y - optional, LLDB version, can be: lldb3.9(default), lldb4.0, lldb5.0, lldb6.0 no-lldb. Ignored for alpine and FReeBSD"
     echo "--skipunmount - optional, will skip the unmount of rootfs folder."
+    echo "--use-mirror - optional, use mirror URL to fetch resources, when available."
     exit 1
 }
 
@@ -67,6 +69,13 @@ __FreeBSDPackages+=" libinotify"
 __FreeBSDPackages+=" lttng-ust"
 __FreeBSDPackages+=" krb5"
 
+__IllumosPackages="icu-64.2nb2"
+__IllumosPackages+=" mit-krb5-1.16.2nb4"
+__IllumosPackages+=" openssl-1.1.1e"
+__IllumosPackages+=" zlib-1.2.11"
+
+__UseMirror=0
+
 __UnprocessedBuildArgs=
 while :; do
     if [ $# -le 0 ]; then
@@ -158,8 +167,8 @@ while :; do
             __LLDB_Package="liblldb-6.0-dev"
             ;;
         tizen)
-            if [ "$__BuildArch" != "armel" ]; then
-                echo "Tizen is available only for armel."
+            if [ "$__BuildArch" != "armel" ] && [ "$__BuildArch" != "arm64" ]; then
+                echo "Tizen is available only for armel and arm64."
                 usage;
                 exit 1;
             fi
@@ -179,6 +188,11 @@ while :; do
             __BuildArch=x64
             __SkipUnmount=1
             ;;
+        illumos)
+            __CodeName=illumos
+            __BuildArch=x64
+            __SkipUnmount=1
+            ;;
         --skipunmount)
             __SkipUnmount=1
             ;;
@@ -186,6 +200,9 @@ while :; do
             shift
             __RootfsDir=$1
             ;;
+        --use-mirror)
+            __UseMirror=1
+            ;;
         *)
             __UnprocessedBuildArgs="$__UnprocessedBuildArgs $1"
             ;;
@@ -214,6 +231,9 @@ if [ -d "$__RootfsDir" ]; then
     rm -rf $__RootfsDir
 fi
 
+mkdir -p $__RootfsDir
+__RootfsDir="$( cd "$__RootfsDir" && pwd )"
+
 if [[ "$__CodeName" == "alpine" ]]; then
     __ApkToolsVersion=2.9.1
     __AlpineVersion=3.9
@@ -257,6 +277,51 @@ elif [[ "$__CodeName" == "freebsd" ]]; then
     # install packages we need.
     INSTALL_AS_USER=$(whoami) $__RootfsDir/host/sbin/pkg -r $__RootfsDir -C $__RootfsDir/usr/local/etc/pkg.conf update
     INSTALL_AS_USER=$(whoami) $__RootfsDir/host/sbin/pkg -r $__RootfsDir -C $__RootfsDir/usr/local/etc/pkg.conf install --yes $__FreeBSDPackages
+elif [[ "$__CodeName" == "illumos" ]]; then
+    mkdir "$__RootfsDir/tmp"
+    pushd "$__RootfsDir/tmp"
+    JOBS="$(getconf _NPROCESSORS_ONLN)"
+    echo "Downloading sysroot."
+    wget -O - https://github.com/illumos/sysroot/releases/download/20181213-de6af22ae73b-v1/illumos-sysroot-i386-20181213-de6af22ae73b-v1.tar.gz | tar -C "$__RootfsDir" -xzf -
+    echo "Building binutils. Please wait.."
+    wget -O - https://ftp.gnu.org/gnu/binutils/binutils-2.33.1.tar.bz2 | tar -xjf -
+    mkdir build-binutils && cd build-binutils
+    ../binutils-2.33.1/configure --prefix="$__RootfsDir" --target="x86_64-sun-solaris2.10" --program-prefix="x86_64-illumos-" --with-sysroot="$__RootfsDir"
+    make -j "$JOBS" && make install && cd ..
+    echo "Building gcc. Please wait.."
+    wget -O - https://ftp.gnu.org/gnu/gcc/gcc-8.4.0/gcc-8.4.0.tar.xz | tar -xJf -
+    CFLAGS="-fPIC"
+    CXXFLAGS="-fPIC"
+    CXXFLAGS_FOR_TARGET="-fPIC"
+    CFLAGS_FOR_TARGET="-fPIC"
+    export CFLAGS CXXFLAGS CXXFLAGS_FOR_TARGET CFLAGS_FOR_TARGET
+    mkdir build-gcc && cd build-gcc
+    ../gcc-8.4.0/configure --prefix="$__RootfsDir" --target="x86_64-sun-solaris2.10" --program-prefix="x86_64-illumos-" --with-sysroot="$__RootfsDir" --with-gnu-as       \
+        --with-gnu-ld --disable-nls --disable-libgomp --disable-libquadmath --disable-libssp --disable-libvtv --disable-libcilkrts --disable-libada --disable-libsanitizer \
+        --disable-libquadmath-support --disable-shared --enable-tls
+    make -j "$JOBS" && make install && cd ..
+    BaseUrl=https://pkgsrc.joyent.com
+    if [[ "$__UseMirror" == 1 ]]; then
+        BaseUrl=http://pkgsrc.smartos.skylime.net
+    fi
+    BaseUrl="$BaseUrl"/packages/SmartOS/2020Q1/x86_64/All
+    echo "Downloading dependencies."
+    read -ra array <<<"$__IllumosPackages"
+    for package in "${array[@]}"; do
+       echo "Installing $package..."
+        wget "$BaseUrl"/"$package".tgz
+        ar -x "$package".tgz
+        tar --skip-old-files -xzf "$package".tmp.tgz -C "$__RootfsDir" 2>/dev/null
+    done
+    echo "Cleaning up temporary files."
+    popd
+    rm -rf "$__RootfsDir"/{tmp,+*}
+    mkdir -p "$__RootfsDir"/usr/include/net
+    mkdir -p "$__RootfsDir"/usr/include/netpacket
+    wget -P "$__RootfsDir"/usr/include/net https://raw.githubusercontent.com/illumos/illumos-gate/master/usr/src/uts/common/io/bpf/net/bpf.h
+    wget -P "$__RootfsDir"/usr/include/net https://raw.githubusercontent.com/illumos/illumos-gate/master/usr/src/uts/common/io/bpf/net/dlt.h
+    wget -P "$__RootfsDir"/usr/include/netpacket https://raw.githubusercontent.com/illumos/illumos-gate/master/usr/src/uts/common/inet/sockmods/netpacket/packet.h
+    wget -P "$__RootfsDir"/usr/include/sys https://raw.githubusercontent.com/illumos/illumos-gate/master/usr/src/uts/common/sys/sdt.h
 elif [[ -n $__CodeName ]]; then
     qemu-debootstrap --arch $__UbuntuArch $__CodeName $__RootfsDir $__UbuntuRepo
     cp $__CrossDir/$__BuildArch/sources.list.$__CodeName $__RootfsDir/etc/apt/sources.list
@@ -275,7 +340,7 @@ elif [[ -n $__CodeName ]]; then
         patch -p1 < $__CrossDir/$__BuildArch/trusty-lttng-2.4.patch
         popd
     fi
-elif [ "$__Tizen" == "tizen" ]; then
+elif [[ "$__Tizen" == "tizen" ]]; then
     ROOTFS_DIR=$__RootfsDir $__CrossDir/$__BuildArch/tizen-build-rootfs.sh
 else
     echo "Unsupported target platform."
diff --git a/eng/common/cross/toolchain.cmake b/eng/common/cross/toolchain.cmake
index 534f1d19..88a758af 100644
--- a/eng/common/cross/toolchain.cmake
+++ b/eng/common/cross/toolchain.cmake
@@ -3,6 +3,9 @@ set(CROSS_ROOTFS $ENV{ROOTFS_DIR})
 set(TARGET_ARCH_NAME $ENV{TARGET_BUILD_ARCH})
 if(EXISTS ${CROSS_ROOTFS}/bin/freebsd-version)
   set(CMAKE_SYSTEM_NAME FreeBSD)
+elseif(EXISTS ${CROSS_ROOTFS}/usr/platform/i86pc)
+  set(CMAKE_SYSTEM_NAME SunOS)
+  set(ILLUMOS 1)
 else()
   set(CMAKE_SYSTEM_NAME Linux)
 endif()
@@ -28,12 +31,18 @@ elseif(TARGET_ARCH_NAME STREQUAL "arm64")
   else()
     set(TOOLCHAIN "aarch64-linux-gnu")
   endif()
+  if("$ENV{__DistroRid}" MATCHES "tizen.*")
+    set(TIZEN_TOOLCHAIN "aarch64-tizen-linux-gnu/9.2.0")
+  endif()
 elseif(TARGET_ARCH_NAME STREQUAL "x86")
   set(CMAKE_SYSTEM_PROCESSOR i686)
   set(TOOLCHAIN "i686-linux-gnu")
 elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
   set(CMAKE_SYSTEM_PROCESSOR "x86_64")
   set(triple "x86_64-unknown-freebsd11")
+elseif (ILLUMOS)
+  set(CMAKE_SYSTEM_PROCESSOR "x86_64")
+  set(TOOLCHAIN "x86_64-illumos")
 else()
   message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only armel, arm, arm64 and x86 are supported!")
 endif()
@@ -43,11 +52,15 @@ if(DEFINED ENV{TOOLCHAIN})
 endif()
 
 # Specify include paths
-if(TARGET_ARCH_NAME STREQUAL "armel")
-  if(DEFINED TIZEN_TOOLCHAIN)
+if(DEFINED TIZEN_TOOLCHAIN)
+  if(TARGET_ARCH_NAME STREQUAL "armel")
     include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}/include/c++/)
     include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}/include/c++/armv7l-tizen-linux-gnueabi)
   endif()
+  if(TARGET_ARCH_NAME STREQUAL "arm64")
+    include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib64/gcc/${TIZEN_TOOLCHAIN}/include/c++/)
+    include_directories(SYSTEM ${CROSS_ROOTFS}/usr/lib64/gcc/${TIZEN_TOOLCHAIN}/include/c++/aarch64-tizen-linux-gnu)
+  endif()
 endif()
 
 if("$ENV{__DistroRid}" MATCHES "android.*")
@@ -67,12 +80,43 @@ if("$ENV{__DistroRid}" MATCHES "android.*")
 
     # include official NDK toolchain script
     include(${CROSS_ROOTFS}/../build/cmake/android.toolchain.cmake)
-elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
     # we cross-compile by instructing clang
     set(CMAKE_C_COMPILER_TARGET ${triple})
     set(CMAKE_CXX_COMPILER_TARGET ${triple})
     set(CMAKE_ASM_COMPILER_TARGET ${triple})
     set(CMAKE_SYSROOT "${CROSS_ROOTFS}")
+elseif(ILLUMOS)
+    set(CMAKE_SYSROOT "${CROSS_ROOTFS}")
+
+    include_directories(SYSTEM ${CROSS_ROOTFS}/include)
+
+    set(TOOLSET_PREFIX ${TOOLCHAIN}-)
+    function(locate_toolchain_exec exec var)
+        string(TOUPPER ${exec} EXEC_UPPERCASE)
+        if(NOT "$ENV{CLR_${EXEC_UPPERCASE}}" STREQUAL "")
+            set(${var} "$ENV{CLR_${EXEC_UPPERCASE}}" PARENT_SCOPE)
+            return()
+        endif()
+
+        find_program(EXEC_LOCATION_${exec}
+            NAMES
+            "${TOOLSET_PREFIX}${exec}${CLR_CMAKE_COMPILER_FILE_NAME_VERSION}"
+            "${TOOLSET_PREFIX}${exec}")
+
+        if (EXEC_LOCATION_${exec} STREQUAL "EXEC_LOCATION_${exec}-NOTFOUND")
+            message(FATAL_ERROR "Unable to find toolchain executable. Name: ${exec}, Prefix: ${TOOLSET_PREFIX}.")
+        endif()
+        set(${var} ${EXEC_LOCATION_${exec}} PARENT_SCOPE)
+    endfunction()
+
+    set(CMAKE_SYSTEM_PREFIX_PATH "${CROSS_ROOTFS}")
+
+    locate_toolchain_exec(gcc CMAKE_C_COMPILER)
+    locate_toolchain_exec(g++ CMAKE_CXX_COMPILER)
+
+    set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES} -lssp")
+    set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lssp")
 else()
     set(CMAKE_SYSROOT "${CROSS_ROOTFS}")
 
@@ -90,13 +134,27 @@ if(TARGET_ARCH_NAME STREQUAL "armel")
     add_link_options("-L${CROSS_ROOTFS}/usr/lib")
     add_link_options("-L${CROSS_ROOTFS}/usr/lib/gcc/${TIZEN_TOOLCHAIN}")
   endif()
+elseif(TARGET_ARCH_NAME STREQUAL "arm64")
+  if(DEFINED TIZEN_TOOLCHAIN) # For Tizen only
+    add_link_options("-B${CROSS_ROOTFS}/usr/lib64/gcc/${TIZEN_TOOLCHAIN}")
+    add_link_options("-L${CROSS_ROOTFS}/lib64")
+    add_link_options("-L${CROSS_ROOTFS}/usr/lib64")
+    add_link_options("-L${CROSS_ROOTFS}/usr/lib64/gcc/${TIZEN_TOOLCHAIN}")
+
+    add_link_options("-Wl,--rpath-link=${CROSS_ROOTFS}/lib64")
+    add_link_options("-Wl,--rpath-link=${CROSS_ROOTFS}/usr/lib64")
+    add_link_options("-Wl,--rpath-link=${CROSS_ROOTFS}/usr/lib64/gcc/${TIZEN_TOOLCHAIN}")
+  endif()
 elseif(TARGET_ARCH_NAME STREQUAL "x86")
   add_link_options(-m32)
+elseif(ILLUMOS)
+   add_link_options("-L${CROSS_ROOTFS}/lib/amd64")
+   add_link_options("-L${CROSS_ROOTFS}/usr/amd64/lib")
 endif()
 
 # Specify compile options
 
-if(TARGET_ARCH_NAME MATCHES "^(arm|armel|arm64)$" AND NOT "$ENV{__DistroRid}" MATCHES "android.*")
+if((TARGET_ARCH_NAME MATCHES "^(arm|armel|arm64)$" AND NOT "$ENV{__DistroRid}" MATCHES "android.*") OR ILLUMOS)
   set(CMAKE_C_COMPILER_TARGET ${TOOLCHAIN})
   set(CMAKE_CXX_COMPILER_TARGET ${TOOLCHAIN})
   set(CMAKE_ASM_COMPILER_TARGET ${TOOLCHAIN})
@@ -117,16 +175,19 @@ if(TARGET_ARCH_NAME MATCHES "^(arm|armel)$")
 
   if(TARGET_ARCH_NAME STREQUAL "armel")
     add_compile_options(-mfloat-abi=softfp)
-    if(DEFINED TIZEN_TOOLCHAIN)
-      add_compile_options(-Wno-deprecated-declarations) # compile-time option
-      add_compile_options(-D__extern_always_inline=inline) # compile-time option
-    endif()
   endif()
 elseif(TARGET_ARCH_NAME STREQUAL "x86")
   add_compile_options(-m32)
   add_compile_options(-Wno-error=unused-command-line-argument)
 endif()
 
+if(DEFINED TIZEN_TOOLCHAIN)
+  if(TARGET_ARCH_NAME MATCHES "^(armel|arm64)$")
+    add_compile_options(-Wno-deprecated-declarations) # compile-time option
+    add_compile_options(-D__extern_always_inline=inline) # compile-time option
+  endif()
+endif()
+
 # Set LLDB include and library paths for builds that need lldb.
 if(TARGET_ARCH_NAME MATCHES "^(arm|armel|x86)$")
   if(TARGET_ARCH_NAME STREQUAL "x86")
@@ -155,7 +216,6 @@ if(TARGET_ARCH_NAME MATCHES "^(arm|armel|x86)$")
   endif()
 endif()
 
-
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
diff --git a/eng/common/internal-feed-operations.ps1 b/eng/common/internal-feed-operations.ps1
index db0baac9..b8f6529f 100644
--- a/eng/common/internal-feed-operations.ps1
+++ b/eng/common/internal-feed-operations.ps1
@@ -63,6 +63,7 @@ function SetupCredProvider {
   }
 
   if (($endpoints | Measure-Object).Count -gt 0) {
+      # [SuppressMessage("Microsoft.Security", "CS002:SecretInNextLine", Justification="Endpoint code example with no real credentials.")]
       # Create the JSON object. It should look like '{"endpointCredentials": [{"endpoint":"http://example.index.json", "username":"optional", "password":"accesstoken"}]}'
       $endpointCredentials = @{endpointCredentials=$endpoints} | ConvertTo-Json -Compress
 
diff --git a/eng/common/internal-feed-operations.sh b/eng/common/internal-feed-operations.sh
index 5941ea28..9ed225e7 100755
--- a/eng/common/internal-feed-operations.sh
+++ b/eng/common/internal-feed-operations.sh
@@ -62,6 +62,7 @@ function SetupCredProvider {
   endpoints+=']'
 
   if [ ${#endpoints} -gt 2 ]; then 
+      # [SuppressMessage("Microsoft.Security", "CS002:SecretInNextLine", Justification="Endpoint code example with no real credentials.")]
       # Create the JSON object. It should look like '{"endpointCredentials": [{"endpoint":"http://example.index.json", "username":"optional", "password":"accesstoken"}]}'
       local endpointCredentials="{\"endpointCredentials\": "$endpoints"}"
 
diff --git a/eng/common/internal/Tools.csproj b/eng/common/internal/Tools.csproj
index 1a39a7ef..f46d5efe 100644
--- a/eng/common/internal/Tools.csproj
+++ b/eng/common/internal/Tools.csproj
@@ -4,6 +4,7 @@
   <PropertyGroup>
     <TargetFramework>net472</TargetFramework>
     <ImportDirectoryBuildTargets>false</ImportDirectoryBuildTargets>
+    <AutomaticallyUseReferenceAssemblyPackages>false</AutomaticallyUseReferenceAssemblyPackages>
   </PropertyGroup>
   <ItemGroup>
     <!-- Clear references, the SDK may add some depending on UsuingToolXxx settings, but we only want to restore the following -->
diff --git a/eng/common/native/CommonLibrary.psm1 b/eng/common/native/CommonLibrary.psm1
index 41416862..d7d1a651 100644
--- a/eng/common/native/CommonLibrary.psm1
+++ b/eng/common/native/CommonLibrary.psm1
@@ -145,9 +145,12 @@ function Get-File {
     New-Item -path $DownloadDirectory -force -itemType "Directory" | Out-Null
   }
 
+  $TempPath = "$Path.tmp"
   if (Test-Path -IsValid -Path $Uri) {
-    Write-Verbose "'$Uri' is a file path, copying file to '$Path'"
-    Copy-Item -Path $Uri -Destination $Path
+    Write-Verbose "'$Uri' is a file path, copying temporarily to '$TempPath'"
+    Copy-Item -Path $Uri -Destination $TempPath
+    Write-Verbose "Moving temporary file to '$Path'"
+    Move-Item -Path $TempPath -Destination $Path
     return $?
   }
   else {
@@ -157,8 +160,10 @@ function Get-File {
     while($Attempt -Lt $DownloadRetries)
     {
       try {
-        Invoke-WebRequest -UseBasicParsing -Uri $Uri -OutFile $Path
-        Write-Verbose "Downloaded to '$Path'"
+        Invoke-WebRequest -UseBasicParsing -Uri $Uri -OutFile $TempPath
+        Write-Verbose "Downloaded to temporary location '$TempPath'"
+        Move-Item -Path $TempPath -Destination $Path
+        Write-Verbose "Moved temporary file to '$Path'"
         return $True
       }
       catch {
@@ -359,16 +364,21 @@ function Expand-Zip {
         return $False
       }
     }
-    if (-Not (Test-Path $OutputDirectory)) {
-      New-Item -path $OutputDirectory -Force -itemType "Directory" | Out-Null
+
+    $TempOutputDirectory = Join-Path "$(Split-Path -Parent $OutputDirectory)" "$(Split-Path -Leaf $OutputDirectory).tmp"
+    if (Test-Path $TempOutputDirectory) {
+      Remove-Item $TempOutputDirectory -Force -Recurse
     }
+    New-Item -Path $TempOutputDirectory -Force -ItemType "Directory" | Out-Null
 
     Add-Type -assembly "system.io.compression.filesystem"
-    [io.compression.zipfile]::ExtractToDirectory("$ZipPath", "$OutputDirectory")
+    [io.compression.zipfile]::ExtractToDirectory("$ZipPath", "$TempOutputDirectory")
     if ($? -Eq $False) {
       Write-Error "Unable to extract '$ZipPath'"
       return $False
     }
+
+    Move-Item -Path $TempOutputDirectory -Destination $OutputDirectory
   }
   catch {
     Write-Host $_
diff --git a/eng/common/performance/perfhelixpublish.proj b/eng/common/performance/perfhelixpublish.proj
index cf5941e1..272366da 100644
--- a/eng/common/performance/perfhelixpublish.proj
+++ b/eng/common/performance/perfhelixpublish.proj
@@ -6,6 +6,7 @@
     <Python>py -3</Python>
     <CoreRun>%HELIX_CORRELATION_PAYLOAD%\Core_Root\CoreRun.exe</CoreRun>
     <BaselineCoreRun>%HELIX_CORRELATION_PAYLOAD%\Baseline_Core_Root\CoreRun.exe</BaselineCoreRun>
+    
     <HelixPreCommands>$(HelixPreCommands);call %HELIX_CORRELATION_PAYLOAD%\performance\tools\machine-setup.cmd;set PYTHONPATH=%HELIX_WORKITEM_PAYLOAD%\scripts%3B%HELIX_WORKITEM_PAYLOAD%</HelixPreCommands>
     <ArtifactsDirectory>%HELIX_CORRELATION_PAYLOAD%\artifacts\BenchmarkDotNet.Artifacts</ArtifactsDirectory>
     <BaselineArtifactsDirectory>%HELIX_CORRELATION_PAYLOAD%\artifacts\BenchmarkDotNet.Artifacts_Baseline</BaselineArtifactsDirectory>
@@ -40,6 +41,13 @@
     <XMLResults>$HELIX_WORKITEM_ROOT/testResults.xml</XMLResults>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(MonoDotnet)' == 'true' and '$(AGENT_OS)' == 'Windows_NT'">
+    <CoreRunArgument>--corerun %HELIX_CORRELATION_PAYLOAD%\dotnet-mono\shared\Microsoft.NETCore.App\5.0.0\corerun.exe</CoreRunArgument>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(MonoDotnet)' == 'true' and '$(AGENT_OS)' != 'Windows_NT'">
+    <CoreRunArgument>--corerun $(BaseDirectory)/dotnet-mono/shared/Microsoft.NETCore.App/5.0.0/corerun</CoreRunArgument>
+  </PropertyGroup>
+
   <PropertyGroup Condition="'$(UseCoreRun)' == 'true'">
     <CoreRunArgument>--corerun $(CoreRun)</CoreRunArgument>
   </PropertyGroup>
@@ -55,6 +63,11 @@
   <PropertyGroup Condition="'$(_Framework)' != 'net461'">
     <WorkItemCommand>$(WorkItemCommand) $(CliArguments)</WorkItemCommand>
   </PropertyGroup>
+  
+  <PropertyGroup>
+    <WorkItemTimeout>2:30</WorkItemTimeout>
+    <WorkItemTimeout Condition="'$(HelixSourcePrefix)' != 'official'">0:15</WorkItemTimeout>
+  </PropertyGroup>
 
   <ItemGroup>
     <HelixCorrelationPayload Include="$(CorrelationPayloadDirectory)">
@@ -63,7 +76,7 @@
   </ItemGroup>
 
   <PropertyGroup>
-    <PartitionCount>5</PartitionCount>
+    <PartitionCount>30</PartitionCount>
   </PropertyGroup>
   <ItemGroup>
     <Partition Include="$(BuildConfig).Partition0" Index="0" />
@@ -71,6 +84,31 @@
     <Partition Include="$(BuildConfig).Partition2" Index="2" />
     <Partition Include="$(BuildConfig).Partition3" Index="3" />
     <Partition Include="$(BuildConfig).Partition4" Index="4" />
+    <Partition Include="$(BuildConfig).Partition5" Index="5" />
+    <Partition Include="$(BuildConfig).Partition6" Index="6" />
+    <Partition Include="$(BuildConfig).Partition7" Index="7" />
+    <Partition Include="$(BuildConfig).Partition8" Index="8" />
+    <Partition Include="$(BuildConfig).Partition9" Index="9" />
+    <Partition Include="$(BuildConfig).Partition10" Index="10" />
+    <Partition Include="$(BuildConfig).Partition11" Index="11" />
+    <Partition Include="$(BuildConfig).Partition12" Index="12" />
+    <Partition Include="$(BuildConfig).Partition13" Index="13" />
+    <Partition Include="$(BuildConfig).Partition14" Index="14" />
+    <Partition Include="$(BuildConfig).Partition15" Index="15" />
+    <Partition Include="$(BuildConfig).Partition16" Index="16" />
+    <Partition Include="$(BuildConfig).Partition17" Index="17" />
+    <Partition Include="$(BuildConfig).Partition18" Index="18" />
+    <Partition Include="$(BuildConfig).Partition19" Index="19" />
+    <Partition Include="$(BuildConfig).Partition20" Index="20" />
+    <Partition Include="$(BuildConfig).Partition21" Index="21" />
+    <Partition Include="$(BuildConfig).Partition22" Index="22" />
+    <Partition Include="$(BuildConfig).Partition23" Index="23" />
+    <Partition Include="$(BuildConfig).Partition24" Index="24" />
+    <Partition Include="$(BuildConfig).Partition25" Index="25" />
+    <Partition Include="$(BuildConfig).Partition26" Index="26" />
+    <Partition Include="$(BuildConfig).Partition27" Index="27" />
+    <Partition Include="$(BuildConfig).Partition28" Index="28" />
+    <Partition Include="$(BuildConfig).Partition29" Index="29" />
   </ItemGroup>
 
   <PropertyGroup Condition="'$(Compare)' == 'true'">
@@ -86,7 +124,7 @@
       <PreCommands Condition="'$(Compare)' == 'true'">$(WorkItemCommand) --bdn-artifacts $(BaselineArtifactsDirectory) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(BaselineCoreRunArgument) --partition-count $(PartitionCount) --partition-index %(HelixWorkItem.Index)"</PreCommands>
       <Command>$(WorkItemCommand) --bdn-artifacts $(ArtifactsDirectory) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(CoreRunArgument) --partition-count $(PartitionCount) --partition-index %(HelixWorkItem.Index)"</Command>
       <PostCommands Condition="'$(Compare)' == 'true'">$(DotnetExe) run -f $(_Framework) -p $(ResultsComparer) --base $(BaselineArtifactsDirectory) --diff $(ArtifactsDirectory) --threshold 2$(Percent) --xml $(XMLResults);$(FinalCommand)</PostCommands>
-      <Timeout>4:00</Timeout>
+      <Timeout>$(WorkItemTimeout)</Timeout>
     </HelixWorkItem>
   </ItemGroup>
 
@@ -105,17 +143,50 @@
       <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
       <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen\test.py crossgen --test-name System.Private.Xml.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
     </HelixWorkItem>
-     <HelixWorkItem Include="Crossgen System.Linq.Expressions.dll">
+    <HelixWorkItem Include="Crossgen System.Linq.Expressions.dll">
       <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
       <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen\test.py crossgen --test-name System.Linq.Expressions.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
     </HelixWorkItem>
-     <HelixWorkItem Include="Crossgen Microsoft.CodeAnalysis.VisualBasic.dll">
+    <HelixWorkItem Include="Crossgen Microsoft.CodeAnalysis.VisualBasic.dll">
       <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
       <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen\test.py crossgen --test-name Microsoft.CodeAnalysis.VisualBasic.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
     </HelixWorkItem>
-     <HelixWorkItem Include="Crossgen Microsoft.CodeAnalysis.CSharp.dll">
+    <HelixWorkItem Include="Crossgen Microsoft.CodeAnalysis.CSharp.dll">
       <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
       <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen\test.py crossgen --test-name Microsoft.CodeAnalysis.CSharp.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
     </HelixWorkItem>
+    <HelixWorkItem Include="Crossgen System.Private.CoreLib.dll">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen\test.py crossgen --test-name System.Private.CoreLib.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
+    </HelixWorkItem>
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(AGENT_OS)' == 'Windows_NT' and '$(Architecture)' == 'x64'">
+    <HelixWorkItem Include="Crossgen2 System.Private.Xml.dll">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\test.py crossgen2 --single System.Private.Xml.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
+    </HelixWorkItem>
+    <HelixWorkItem Include="Crossgen2 System.Linq.Expressions.dll">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\test.py crossgen2 --single System.Linq.Expressions.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
+    </HelixWorkItem>
+    <HelixWorkItem Include="Crossgen2 Microsoft.CodeAnalysis.VisualBasic.dll">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\test.py crossgen2 --single Microsoft.CodeAnalysis.VisualBasic.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
+    </HelixWorkItem>     
+    <HelixWorkItem Include="Crossgen2 Microsoft.CodeAnalysis.CSharp.dll">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\test.py crossgen2 --single Microsoft.CodeAnalysis.CSharp.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
+    </HelixWorkItem>
+    <HelixWorkItem Include="Crossgen2 System.Private.CoreLib.dll">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\test.py crossgen2 --single System.Private.CoreLib.dll --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>
+    </HelixWorkItem>
+    <HelixWorkItem Include="Crossgen2 Composite Framework R2R">
+      <PayloadDirectory>$(WorkItemDirectory)\ScenarioCorrelation</PayloadDirectory>	
+      <Command>$(Python) %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\test.py crossgen2 --composite %HELIX_CORRELATION_PAYLOAD%\performance\src\scenarios\crossgen2\framework-r2r.dll.rsp --core-root %HELIX_CORRELATION_PAYLOAD%\Core_Root</Command>	
+      <Timeout>1:00</Timeout>  
+    </HelixWorkItem>
+
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/eng/common/performance/performance-setup.ps1 b/eng/common/performance/performance-setup.ps1
index 1763a1a9..31a99e49 100644
--- a/eng/common/performance/performance-setup.ps1
+++ b/eng/common/performance/performance-setup.ps1
@@ -3,7 +3,7 @@ Param(
     [string] $CoreRootDirectory,
     [string] $BaselineCoreRootDirectory,
     [string] $Architecture="x64",
-    [string] $Framework="netcoreapp5.0",
+    [string] $Framework="net5.0",
     [string] $CompilationMode="Tiered",
     [string] $Repository=$env:BUILD_REPOSITORY_NAME,
     [string] $Branch=$env:BUILD_SOURCEBRANCH,
@@ -12,8 +12,12 @@ Param(
     [string] $RunCategories="Libraries Runtime",
     [string] $Csproj="src\benchmarks\micro\MicroBenchmarks.csproj",
     [string] $Kind="micro",
+    [switch] $LLVM,
+    [switch] $MonoInterpreter,
+    [switch] $MonoAOT, 
     [switch] $Internal,
     [switch] $Compare,
+    [string] $MonoDotnet="",
     [string] $Configurations="CompilationMode=$CompilationMode RunKind=$Kind"
 )
 
@@ -31,7 +35,8 @@ $HelixSourcePrefix = "pr"
 
 $Queue = "Windows.10.Amd64.ClientRS4.DevEx.15.8.Open"
 
-if ($Framework.StartsWith("netcoreapp")) {
+# TODO: Implement a better logic to determine if Framework is .NET Core or >= .NET 5.
+if ($Framework.StartsWith("netcoreapp") -or ($Framework -eq "net5.0")) {
     $Queue = "Windows.10.Amd64.ClientRS5.Open"
 }
 
@@ -49,6 +54,21 @@ if ($Internal) {
     $HelixSourcePrefix = "official"
 }
 
+if($MonoDotnet -ne "")
+{
+    $Configurations += " LLVM=$LLVM MonoInterpreter=$MonoInterpreter MonoAOT=$MonoAOT"
+    if($ExtraBenchmarkDotNetArguments -eq "")
+    {
+        #FIX ME: We need to block these tests as they don't run on mono for now
+        $ExtraBenchmarkDotNetArguments = "--exclusion-filter *Perf_Image* *Perf_NamedPipeStream*"
+    }
+    else
+    {
+        #FIX ME: We need to block these tests as they don't run on mono for now
+        $ExtraBenchmarkDotNetArguments += " --exclusion-filter *Perf_Image* *Perf_NamedPipeStream*"
+    }
+}
+
 # FIX ME: This is a workaround until we get this from the actual pipeline
 $CommonSetupArguments="--channel master --queue $Queue --build-number $BuildNumber --build-configs $Configurations --architecture $Architecture"
 $SetupArguments = "--repository https://github.com/$Repository --branch $Branch --get-perf-hash --commit-sha $CommitSha $CommonSetupArguments"
@@ -69,6 +89,13 @@ else {
     git clone --branch master --depth 1 --quiet https://github.com/dotnet/performance $PerformanceDirectory
 }
 
+if($MonoDotnet -ne "")
+{
+    $UsingMono = "true"
+    $MonoDotnetPath = (Join-Path $PayloadDirectory "dotnet-mono")
+    Move-Item -Path $MonoDotnet -Destination $MonoDotnetPath
+}
+
 if ($UseCoreRun) {
     $NewCoreRoot = (Join-Path $PayloadDirectory "Core_Root")
     Move-Item -Path $CoreRootDirectory -Destination $NewCoreRoot
@@ -104,6 +131,7 @@ Write-PipelineSetVariable -Name 'UseCoreRun' -Value "$UseCoreRun" -IsMultiJobVar
 Write-PipelineSetVariable -Name 'UseBaselineCoreRun' -Value "$UseBaselineCoreRun" -IsMultiJobVariable $false
 Write-PipelineSetVariable -Name 'RunFromPerfRepo' -Value "$RunFromPerformanceRepo" -IsMultiJobVariable $false
 Write-PipelineSetVariable -Name 'Compare' -Value "$Compare" -IsMultiJobVariable $false
+Write-PipelineSetVariable -Name 'MonoDotnet' -Value "$UsingMono" -IsMultiJobVariable $false
 
 # Helix Arguments
 Write-PipelineSetVariable -Name 'Creator' -Value "$Creator" -IsMultiJobVariable $false
diff --git a/eng/common/performance/performance-setup.sh b/eng/common/performance/performance-setup.sh
index b9eecf94..9409e4d8 100755
--- a/eng/common/performance/performance-setup.sh
+++ b/eng/common/performance/performance-setup.sh
@@ -4,7 +4,7 @@ source_directory=$BUILD_SOURCESDIRECTORY
 core_root_directory=
 baseline_core_root_directory=
 architecture=x64
-framework=netcoreapp5.0
+framework=net5.0
 compilation_mode=tiered
 repository=$BUILD_REPOSITORY_NAME
 branch=$BUILD_SOURCEBRANCH
@@ -12,13 +12,18 @@ commit_sha=$BUILD_SOURCEVERSION
 build_number=$BUILD_BUILDNUMBER
 internal=false
 compare=false
+mono_dotnet=
 kind="micro"
+llvm=false
+monointerpreter=false
+monoaot=false
 run_categories="Libraries Runtime"
 csproj="src\benchmarks\micro\MicroBenchmarks.csproj"
 configurations="CompliationMode=$compilation_mode RunKind=$kind"
 run_from_perf_repo=false
 use_core_run=true
 use_baseline_core_run=true
+using_mono=false
 
 while (($# > 0)); do
   lowerI="$(echo $1 | awk '{print tolower($0)}')"
@@ -65,6 +70,7 @@ while (($# > 0)); do
       ;;
     --kind)
       kind=$2
+      configurations="CompliationMode=$compilation_mode RunKind=$kind"
       shift 2
       ;;
     --runcategories)
@@ -79,6 +85,22 @@ while (($# > 0)); do
       internal=true
       shift 1
       ;;
+    --llvm)
+      llvm=true
+      shift 1
+      ;;
+    --monointerpreter)
+      monointerpreter=true
+      shift 1
+      ;;
+    --monoaot)
+      monoaot=true
+      shift 1
+      ;;
+    --monodotnet)
+      mono_dotnet=$2
+      shift 2
+      ;;
     --compare)
       compare=true
       shift 1
@@ -107,6 +129,7 @@ while (($# > 0)); do
       echo "  --kind <value>                 Related to csproj. The kind of benchmarks that should be run. Defaults to micro"
       echo "  --runcategories <value>        Related to csproj. Categories of benchmarks to run. Defaults to \"coreclr corefx\""
       echo "  --internal                     If the benchmarks are running as an official job."
+      echo "  --monodotnet                   Pass the path to the mono dotnet for mono performance testing."
       echo ""
       exit 0
       ;;
@@ -164,6 +187,10 @@ if [[ "$internal" == true ]]; then
     fi
 fi
 
+if [[ "$mono_dotnet" != "" ]]; then
+    configurations="$configurations LLVM=$llvm MonoInterpreter=$monointerpreter MonoAOT=$monoaot"
+fi
+
 common_setup_arguments="--channel master --queue $queue --build-number $build_number --build-configs $configurations --architecture $architecture"
 setup_arguments="--repository https://github.com/$repository --branch $branch --get-perf-hash --commit-sha $commit_sha $common_setup_arguments"
 
@@ -186,6 +213,12 @@ else
     mv $docs_directory $workitem_directory
 fi
 
+if [[ "$mono_dotnet" != "" ]]; then
+    using_mono=true
+    mono_dotnet_path=$payload_directory/dotnet-mono
+    mv $mono_dotnet $mono_dotnet_path
+fi
+
 if [[ "$use_core_run" = true ]]; then
     new_core_root=$payload_directory/Core_Root
     mv $core_root_directory $new_core_root
@@ -221,3 +254,4 @@ Write-PipelineSetVariable -name "HelixSourcePrefix" -value "$helix_source_prefix
 Write-PipelineSetVariable -name "Kind" -value "$kind" -is_multi_job_variable false
 Write-PipelineSetVariable -name "_BuildConfig" -value "$architecture.$kind.$framework" -is_multi_job_variable false
 Write-PipelineSetVariable -name "Compare" -value "$compare" -is_multi_job_variable false
+Write-PipelineSetVariable -name "MonoDotnet" -value "$using_mono" -is_multi_job_variable false
diff --git a/eng/common/pipeline-logging-functions.sh b/eng/common/pipeline-logging-functions.sh
index 33c3f0d8..6cd0a340 100755
--- a/eng/common/pipeline-logging-functions.sh
+++ b/eng/common/pipeline-logging-functions.sh
@@ -31,26 +31,21 @@ function Write-PipelineTelemetryError {
     return
   fi
 
-  message="(NETCORE_ENGINEERING_TELEMETRY=$telemetry_category) $message"
-  function_args+=("$message")
   if [[ $force == true ]]; then
     function_args+=("-force")
   fi
-
-  Write-PipelineTaskError $function_args
+  message="(NETCORE_ENGINEERING_TELEMETRY=$telemetry_category) $message"
+  function_args+=("$message")
+  Write-PipelineTaskError ${function_args[@]}
 }
 
 function Write-PipelineTaskError {
-  if [[ $force != true ]] && [[ "$ci" != true ]]; then
-    echo "$@" >&2
-    return
-  fi
-
   local message_type="error"
   local sourcepath=''
   local linenumber=''
   local columnnumber=''
   local error_code=''
+  local force=false
 
   while [[ $# -gt 0 ]]; do
     opt="$(echo "${1/#--/-}" | awk '{print tolower($0)}')"
@@ -75,6 +70,9 @@ function Write-PipelineTaskError {
         error_code=$2
         shift
         ;;
+      -force|-f)
+        force=true
+        ;;
       *)
         break
         ;;
@@ -83,6 +81,11 @@ function Write-PipelineTaskError {
     shift
   done
 
+  if [[ $force != true ]] && [[ "$ci" != true ]]; then
+    echo "$@" >&2
+    return
+  fi
+
   local message="##vso[task.logissue"
 
   message="$message type=$message_type"
diff --git a/eng/common/post-build/check-channel-consistency.ps1 b/eng/common/post-build/check-channel-consistency.ps1
index 38abc539..63f3464c 100644
--- a/eng/common/post-build/check-channel-consistency.ps1
+++ b/eng/common/post-build/check-channel-consistency.ps1
@@ -15,12 +15,22 @@ try {
   # is available in YAML
   $PromoteToChannelsIds = $PromoteToChannels -split "\D" | Where-Object { $_ }
 
+  $hasErrors = $false
+
   foreach ($id in $PromoteToChannelsIds) {
     if (($id -ne 0) -and ($id -notin $AvailableChannelIds)) {
       Write-PipelineTaskError -Message "Channel $id is not present in the post-build YAML configuration! This is an error scenario. Please contact @dnceng."
+      $hasErrors = $true
     }
   }
 
+  # The `Write-PipelineTaskError` doesn't error the script and we might report several errors
+  # in the previous lines. The check below makes sure that we return an error state from the
+  # script if we reported any validation error
+  if ($hasErrors) {
+    ExitWithExitCode 1 
+  }
+
   Write-Host 'done.'
 } 
 catch {
diff --git a/eng/common/post-build/publish-using-darc.ps1 b/eng/common/post-build/publish-using-darc.ps1
new file mode 100644
index 00000000..d22eb439
--- /dev/null
+++ b/eng/common/post-build/publish-using-darc.ps1
@@ -0,0 +1,71 @@
+param(
+  [Parameter(Mandatory=$true)][int] $BuildId,
+  [Parameter(Mandatory=$true)][string] $AzdoToken,
+  [Parameter(Mandatory=$true)][string] $MaestroToken,
+  [Parameter(Mandatory=$false)][string] $MaestroApiEndPoint = 'https://maestro-prod.westus2.cloudapp.azure.com',
+  [Parameter(Mandatory=$true)][string] $WaitPublishingFinish,
+  [Parameter(Mandatory=$true)][string] $EnableSourceLinkValidation,
+  [Parameter(Mandatory=$true)][string] $EnableSigningValidation,
+  [Parameter(Mandatory=$true)][string] $EnableNugetValidation,
+  [Parameter(Mandatory=$true)][string] $PublishInstallersAndChecksums,
+  [Parameter(Mandatory=$false)][string] $ArtifactsPublishingAdditionalParameters,
+  [Parameter(Mandatory=$false)][string] $SigningValidationAdditionalParameters
+)
+
+try {
+  . $PSScriptRoot\post-build-utils.ps1
+  . $PSScriptRoot\..\darc-init.ps1
+
+  $optionalParams = [System.Collections.ArrayList]::new()
+
+  if ("" -ne $ArtifactsPublishingAdditionalParameters) {
+    $optionalParams.Add("artifact-publishing-parameters") | Out-Null
+    $optionalParams.Add($ArtifactsPublishingAdditionalParameters) | Out-Null
+  }
+
+  if ("false" -eq $WaitPublishingFinish) {
+    $optionalParams.Add("--no-wait") | Out-Null
+  }
+
+  if ("true" -eq $PublishInstallersAndChecksums) {
+    $optionalParams.Add("--publish-installers-and-checksums") | Out-Null
+  }
+
+  if ("true" -eq $EnableNugetValidation) {
+    $optionalParams.Add("--validate-nuget") | Out-Null
+  }
+
+  if ("true" -eq $EnableSourceLinkValidation) {
+    $optionalParams.Add("--validate-sourcelinkchecksums") | Out-Null
+  }
+
+  if ("true" -eq $EnableSigningValidation) {
+    $optionalParams.Add("--validate-signingchecksums") | Out-Null
+
+    if ("" -ne $SigningValidationAdditionalParameters) {
+      $optionalParams.Add("--signing-validation-parameters") | Out-Null
+      $optionalParams.Add($SigningValidationAdditionalParameters) | Out-Null
+    }
+  }
+
+  & darc add-build-to-channel `
+	--id $buildId `
+	--default-channels `
+	--source-branch master `
+	--azdev-pat $AzdoToken `
+	--bar-uri $MaestroApiEndPoint `
+	--password $MaestroToken `
+	@optionalParams
+
+  if ($LastExitCode -ne 0) {
+    Write-Host "Problems using Darc to promote build ${buildId} to default channels. Stopping execution..."
+    exit 1
+  }
+
+  Write-Host 'done.'
+} 
+catch {
+  Write-Host $_
+  Write-PipelineTelemetryError -Category 'PromoteBuild' -Message "There was an error while trying to publish build '$BuildId' to default channels."
+  ExitWithExitCode 1
+}
diff --git a/eng/common/post-build/sourcelink-validation.ps1 b/eng/common/post-build/sourcelink-validation.ps1
index cc9d059d..cdd1bba4 100644
--- a/eng/common/post-build/sourcelink-validation.ps1
+++ b/eng/common/post-build/sourcelink-validation.ps1
@@ -196,6 +196,8 @@ function ValidateSourceLinkLinks {
     Remove-Item $ExtractPath -Force -Recurse -ErrorAction SilentlyContinue
   }
 
+  $ValidationFailures = 0
+
   # Process each NuGet package in parallel
   Get-ChildItem "$InputPath\*.symbols.nupkg" |
     ForEach-Object {
@@ -209,17 +211,20 @@ function ValidateSourceLinkLinks {
       }
 
       foreach ($Job in @(Get-Job -State 'Completed')) {
-        Receive-Job -Id $Job.Id
+        $jobResult = Receive-Job -Id $Job.Id
+        if ($jobResult -ne '0') {
+          $ValidationFailures++
+        }
         Remove-Job -Id $Job.Id
       }
     }
 
-  $ValidationFailures = 0
   foreach ($Job in @(Get-Job)) {
     $jobResult = Wait-Job -Id $Job.Id | Receive-Job
     if ($jobResult -ne '0') {
       $ValidationFailures++
     }
+    Remove-Job -Id $Job.Id
   }
   if ($ValidationFailures -gt 0) {
     Write-PipelineTelemetryError -Category 'SourceLink' -Message "$ValidationFailures package(s) failed validation."
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index 22eeb265..495428ea 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -2,72 +2,29 @@ param(
   [Parameter(Mandatory=$true)][string] $InputPath,              # Full path to directory where NuGet packages to be checked are stored
   [Parameter(Mandatory=$true)][string] $ExtractPath,            # Full path to directory where the packages will be extracted during validation
   [Parameter(Mandatory=$true)][string] $DotnetSymbolVersion,    # Version of dotnet symbol to use
-  [Parameter(Mandatory=$false)][switch] $ContinueOnError        # If we should keep checking symbols after an error
+  [Parameter(Mandatory=$false)][switch] $ContinueOnError,       # If we should keep checking symbols after an error
+  [Parameter(Mandatory=$false)][switch] $Clean                  # Clean extracted symbols directory after checking symbols
 )
 
-function FirstMatchingSymbolDescriptionOrDefault {
-  param( 
-    [string] $FullPath,                  # Full path to the module that has to be checked
-    [string] $TargetServerParam,         # Parameter to pass to `Symbol Tool` indicating the server to lookup for symbols
-    [string] $SymbolsPath
-  )
-
-  $FileName = [System.IO.Path]::GetFileName($FullPath)
-  $Extension = [System.IO.Path]::GetExtension($FullPath)
-
-  # Those below are potential symbol files that the `dotnet symbol` might
-  # return. Which one will be returned depend on the type of file we are
-  # checking and which type of file was uploaded.
-
-  # The file itself is returned
-  $SymbolPath = $SymbolsPath + '\' + $FileName
-
-  # PDB file for the module
-  $PdbPath = $SymbolPath.Replace($Extension, '.pdb')
-
-  # PDB file for R2R module (created by crossgen)
-  $NGenPdb = $SymbolPath.Replace($Extension, '.ni.pdb')
-
-  # DBG file for a .so library
-  $SODbg = $SymbolPath.Replace($Extension, '.so.dbg')
+# Maximum number of jobs to run in parallel
+$MaxParallelJobs = 6
 
-  # DWARF file for a .dylib
-  $DylibDwarf = $SymbolPath.Replace($Extension, '.dylib.dwarf')
- 
-  $dotnetSymbolExe = "$env:USERPROFILE\.dotnet\tools"
-  $dotnetSymbolExe = Resolve-Path "$dotnetSymbolExe\dotnet-symbol.exe"
-
-  & $dotnetSymbolExe --symbols --modules --windows-pdbs $TargetServerParam $FullPath -o $SymbolsPath | Out-Null
-
-  if (Test-Path $PdbPath) {
-    return 'PDB'
-  }
-  elseif (Test-Path $NGenPdb) {
-    return 'NGen PDB'
-  }
-  elseif (Test-Path $SODbg) {
-    return 'DBG for SO'
-  }  
-  elseif (Test-Path $DylibDwarf) {
-    return 'Dwarf for Dylib'
-  }  
-  elseif (Test-Path $SymbolPath) {
-    return 'Module'
-  }
-  else {
-    return $null
-  }
-}
+# Wait time between check for system load
+$SecondsBetweenLoadChecks = 10
 
-function CountMissingSymbols {
+$CountMissingSymbols = {
   param( 
     [string] $PackagePath          # Path to a NuGet package
   )
 
+  . $using:PSScriptRoot\..\tools.ps1
+
+  Add-Type -AssemblyName System.IO.Compression.FileSystem
+
   # Ensure input file exist
   if (!(Test-Path $PackagePath)) {
     Write-PipelineTaskError "Input file does not exist: $PackagePath"
-    ExitWithExitCode 1
+    return -2
   }
   
   # Extensions for which we'll look for symbols
@@ -78,23 +35,88 @@ function CountMissingSymbols {
 
   $PackageId = [System.IO.Path]::GetFileNameWithoutExtension($PackagePath)
   $PackageGuid = New-Guid
-  $ExtractPath = Join-Path -Path $ExtractPath -ChildPath $PackageGuid
+  $ExtractPath = Join-Path -Path $using:ExtractPath -ChildPath $PackageGuid
   $SymbolsPath = Join-Path -Path $ExtractPath -ChildPath 'Symbols'
   
-  [System.IO.Compression.ZipFile]::ExtractToDirectory($PackagePath, $ExtractPath)
+  try {
+    [System.IO.Compression.ZipFile]::ExtractToDirectory($PackagePath, $ExtractPath)
+  }
+  catch {
+    Write-Host "Something went wrong extracting $PackagePath"
+    Write-Host $_
+    return [pscustomobject]@{
+      result = -1
+      packagePath = $PackagePath
+    }
+  }
 
   Get-ChildItem -Recurse $ExtractPath |
     Where-Object {$RelevantExtensions -contains $_.Extension} |
     ForEach-Object {
-      if ($_.FullName -Match '\\ref\\') {
-        Write-Host "`t Ignoring reference assembly file " $_.FullName
+      $FileName = $_.FullName
+      if ($FileName -Match '\\ref\\') {
+        Write-Host "`t Ignoring reference assembly file " $FileName
         return
       }
 
-      $SymbolsOnMSDL = FirstMatchingSymbolDescriptionOrDefault $_.FullName '--microsoft-symbol-server' $SymbolsPath
-      $SymbolsOnSymWeb = FirstMatchingSymbolDescriptionOrDefault $_.FullName '--internal-server' $SymbolsPath
+      $FirstMatchingSymbolDescriptionOrDefault = {
+      param( 
+        [string] $FullPath,                  # Full path to the module that has to be checked
+        [string] $TargetServerParam,         # Parameter to pass to `Symbol Tool` indicating the server to lookup for symbols
+        [string] $SymbolsPath
+      )
+
+      $FileName = [System.IO.Path]::GetFileName($FullPath)
+      $Extension = [System.IO.Path]::GetExtension($FullPath)
 
-      Write-Host -NoNewLine "`t Checking file " $_.FullName "... "
+      # Those below are potential symbol files that the `dotnet symbol` might
+      # return. Which one will be returned depend on the type of file we are
+      # checking and which type of file was uploaded.
+
+      # The file itself is returned
+      $SymbolPath = $SymbolsPath + '\' + $FileName
+
+      # PDB file for the module
+      $PdbPath = $SymbolPath.Replace($Extension, '.pdb')
+
+      # PDB file for R2R module (created by crossgen)
+      $NGenPdb = $SymbolPath.Replace($Extension, '.ni.pdb')
+
+      # DBG file for a .so library
+      $SODbg = $SymbolPath.Replace($Extension, '.so.dbg')
+
+      # DWARF file for a .dylib
+      $DylibDwarf = $SymbolPath.Replace($Extension, '.dylib.dwarf')
+    
+      $dotnetSymbolExe = "$env:USERPROFILE\.dotnet\tools"
+      $dotnetSymbolExe = Resolve-Path "$dotnetSymbolExe\dotnet-symbol.exe"
+
+      & $dotnetSymbolExe --symbols --modules --windows-pdbs $TargetServerParam $FullPath -o $SymbolsPath | Out-Null
+
+      if (Test-Path $PdbPath) {
+        return 'PDB'
+      }
+      elseif (Test-Path $NGenPdb) {
+        return 'NGen PDB'
+      }
+      elseif (Test-Path $SODbg) {
+        return 'DBG for SO'
+      }  
+      elseif (Test-Path $DylibDwarf) {
+        return 'Dwarf for Dylib'
+      }  
+      elseif (Test-Path $SymbolPath) {
+        return 'Module'
+      }
+      else {
+        return $null
+      }
+    }
+
+      $SymbolsOnMSDL = & $FirstMatchingSymbolDescriptionOrDefault $FileName '--microsoft-symbol-server' $SymbolsPath
+      $SymbolsOnSymWeb = & $FirstMatchingSymbolDescriptionOrDefault $FileName '--internal-server' $SymbolsPath
+
+      Write-Host -NoNewLine "`t Checking file " $FileName "... "
   
       if ($SymbolsOnMSDL -ne $null -and $SymbolsOnSymWeb -ne $null) {
         Write-Host "Symbols found on MSDL ($SymbolsOnMSDL) and SymWeb ($SymbolsOnSymWeb)"
@@ -116,9 +138,35 @@ function CountMissingSymbols {
       }
     }
   
+  if ($using:Clean) {
+    Remove-Item $ExtractPath -Recurse -Force
+  }
+
+  if ($MissingSymbols -ne 0)
+  {
+    Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "Missing symbols for $MissingSymbols modules in the package $FileName"
+  }
+  
   Pop-Location
 
-  return $MissingSymbols
+  return [pscustomobject]@{
+      result = $MissingSymbols
+      packagePath = $PackagePath
+    }
+}
+
+function CheckJobResult(
+    $result, 
+    $packagePath,
+    [ref]$DupedSymbols,
+    [ref]$TotalFailures) {
+  if ($result -eq '-1') {
+    Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "$packagePath has duplicated symbol files"
+    $DupedSymbols.Value++
+  } 
+  elseif ($jobResult.result -ne '0') {
+    $TotalFailures.Value++
+  }
 }
 
 function CheckSymbolsAvailable {
@@ -127,10 +175,12 @@ function CheckSymbolsAvailable {
   }
 
   $TotalFailures = 0
+  $DupedSymbols = 0
 
   Get-ChildItem "$InputPath\*.nupkg" |
     ForEach-Object {
       $FileName = $_.Name
+      $FullName = $_.FullName
 
       # These packages from Arcade-Services include some native libraries that
       # our current symbol uploader can't handle. Below is a workaround until
@@ -147,26 +197,45 @@ function CheckSymbolsAvailable {
       }
 
       Write-Host "Validating $FileName "
-      $Status = CountMissingSymbols "$InputPath\$FileName"
 
-      if ($Status -ne 0) {
-        Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "Missing symbols for $Status modules in the package $FileName"
+      Start-Job -ScriptBlock $CountMissingSymbols -ArgumentList $FullName | Out-Null
 
-        if ($ContinueOnError) {
-          $TotalFailures++
-        }
-        else {
-          ExitWithExitCode 1
-        }
+      $NumJobs = @(Get-Job -State 'Running').Count
+      Write-Host $NumJobs
+
+      while ($NumJobs -ge $MaxParallelJobs) {
+        Write-Host "There are $NumJobs validation jobs running right now. Waiting $SecondsBetweenLoadChecks seconds to check again."
+        sleep $SecondsBetweenLoadChecks
+        $NumJobs = @(Get-Job -State 'Running').Count
       }
 
+      foreach ($Job in @(Get-Job -State 'Completed')) {
+        $jobResult = Wait-Job -Id $Job.Id | Receive-Job
+        CheckJobResult $jobResult.result $jobResult.packagePath ([ref]$DupedSymbols) ([ref]$TotalFailures)
+        Remove-Job -Id $Job.Id
+      }
       Write-Host
     }
 
-  if ($TotalFailures -ne 0) {
-    Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "Symbols missing for $TotalFailures packages"
+  foreach ($Job in @(Get-Job)) {
+    $jobResult = Wait-Job -Id $Job.Id | Receive-Job
+    CheckJobResult $jobResult.result $jobResult.packagePath ([ref]$DupedSymbols) ([ref]$TotalFailures)
+  }
+
+  if ($TotalFailures -gt 0 -or $DupedSymbols -gt 0) {
+    if ($TotalFailures -gt 0) {
+      Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "Symbols missing for $TotalFailures packages"
+    }
+
+    if ($DupedSymbols -gt 0) {
+      Write-PipelineTelemetryError -Category 'CheckSymbols' -Message "$DupedSymbols packages had duplicated symbol files"
+    }
+    
     ExitWithExitCode 1
   }
+  else {
+    Write-Host "All symbols validated!"
+  }
 }
 
 function InstallDotnetSymbol {
@@ -188,11 +257,13 @@ function InstallDotnetSymbol {
 
 try {
   . $PSScriptRoot\post-build-utils.ps1
-
-  Add-Type -AssemblyName System.IO.Compression.FileSystem
   
   InstallDotnetSymbol
 
+  foreach ($Job in @(Get-Job)) {
+    Remove-Job -Id $Job.Id
+  }
+
   CheckSymbolsAvailable
 }
 catch {
diff --git a/eng/common/sdk-task.ps1 b/eng/common/sdk-task.ps1
index 79c25e7f..32ad5c7e 100644
--- a/eng/common/sdk-task.ps1
+++ b/eng/common/sdk-task.ps1
@@ -59,14 +59,20 @@ try {
 
   if( $msbuildEngine -eq "vs") {
     # Ensure desktop MSBuild is available for sdk tasks.
-    if( -not ($GlobalJson.tools.PSObject.Properties.Name -match "vs" )) {
-      $GlobalJson.tools | Add-Member -Name "vs" -Value (ConvertFrom-Json "{ `"version`": `"16.4`" }") -MemberType NoteProperty
+    if( -not ($GlobalJson.tools.PSObject.Properties.Name -contains "vs" )) {
+      $GlobalJson.tools | Add-Member -Name "vs" -Value (ConvertFrom-Json "{ `"version`": `"16.5`" }") -MemberType NoteProperty
     }
     if( -not ($GlobalJson.tools.PSObject.Properties.Name -match "xcopy-msbuild" )) {
-      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "16.4.0-alpha" -MemberType NoteProperty
+      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "16.5.0-alpha" -MemberType NoteProperty
+    }
+    if ($GlobalJson.tools."xcopy-msbuild".Trim() -ine "none") {
+        $xcopyMSBuildToolsFolder = InitializeXCopyMSBuild $GlobalJson.tools."xcopy-msbuild" -install $true
+    }
+    if ($xcopyMSBuildToolsFolder -eq $null) {
+      throw 'Unable to get xcopy downloadable version of msbuild'
     }
 
-    InitializeXCopyMSBuild $GlobalJson.tools."xcopy-msbuild" -install $true
+    $global:_MSBuildExe = "$($xcopyMSBuildToolsFolder)\MSBuild\Current\Bin\MSBuild.exe"
   }
 
   $taskProject = GetSdkTaskProject $task
diff --git a/eng/common/sdl/execute-all-sdl-tools.ps1 b/eng/common/sdl/execute-all-sdl-tools.ps1
index b7f61f9a..b681d797 100644
--- a/eng/common/sdl/execute-all-sdl-tools.ps1
+++ b/eng/common/sdl/execute-all-sdl-tools.ps1
@@ -24,7 +24,8 @@ Param(
   [string] $TsaIterationPath,                                                                    # Optional: only needed if TsaOnboard is true; the iteration path where TSA will file bugs in AzDO; TSA is the automated framework used to upload test results as bugs.
   [string] $GuardianLoggerLevel='Standard',                                                      # Optional: the logger level for the Guardian CLI; options are Trace, Verbose, Standard, Warning, and Error
   [string[]] $CrScanAdditionalRunConfigParams,                                                   # Optional: Additional Params to custom build a CredScan run config in the format @("xyz:abc","sdf:1")
-  [string[]] $PoliCheckAdditionalRunConfigParams                                                 # Optional: Additional Params to custom build a Policheck run config in the format @("xyz:abc","sdf:1")
+  [string[]] $PoliCheckAdditionalRunConfigParams,                                                # Optional: Additional Params to custom build a Policheck run config in the format @("xyz:abc","sdf:1")
+  [bool] $BreakOnFailure=$False                                                                  # Optional: Fail the build if there were errors during the run
 )
 
 try {
@@ -106,6 +107,11 @@ try {
       ExitWithExitCode 1
     }
   }
+
+  if ($BreakOnFailure) {
+    Write-Host "Failing the build in case of breaking results..."
+    & $guardianCliLocation break
+  }
 }
 catch {
   Write-Host $_.ScriptStackTrace
diff --git a/eng/common/templates/job/job.yml b/eng/common/templates/job/job.yml
index fc39647f..c08bb416 100644
--- a/eng/common/templates/job/job.yml
+++ b/eng/common/templates/job/job.yml
@@ -26,7 +26,7 @@ parameters:
   enablePublishUsingPipelines: false
   useBuildManifest: false
   mergeTestResults: false
-  testRunTitle: $(AgentOsName)-$(BuildConfiguration)-xunit
+  testRunTitle: ''
   name: ''
   preSteps: []
   runAsPublic: false
@@ -197,7 +197,7 @@ jobs:
         testResultsFormat: 'xUnit'
         testResultsFiles: '*.xml' 
         searchFolder: '$(Build.SourcesDirectory)/artifacts/TestResults/$(_BuildConfig)'
-        testRunTitle: ${{ parameters.testRunTitle }}
+        testRunTitle: ${{ coalesce(parameters.testRunTitle, parameters.name, '$(System.JobName)') }}-xunit
         mergeTestResults: ${{ parameters.mergeTestResults }}
       continueOnError: true
       condition: always()
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index 47be0bed..07fc2e98 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -1,4 +1,13 @@
 parameters:
+  # When set to true the publishing templates from the repo will be used
+  # otherwise Darc add-build-to-channel will be used to trigger the promotion pipeline
+  inline: true
+
+  # Only used if inline==false. When set to true will stall the current build until
+  # the Promotion Pipeline build finishes. Otherwise, the current build continue 
+  # execution concurrently with the promotion build.
+  waitPublishingFinish: true
+
   enableSourceLinkValidation: false
   enableSigningValidation: true
   enableSymbolValidation: false
@@ -37,374 +46,478 @@ parameters:
   NETCoreExperimentalChannelId: 562
   NetEngServicesIntChannelId: 678
   NetEngServicesProdChannelId: 679
-  Net5Preview3ChannelId: 739
-  Net5Preview4ChannelId: 856
   Net5Preview5ChannelId: 857
+  Net5Preview6ChannelId: 1013
+  Net5Preview7ChannelId: 1065
+  NetCoreSDK313xxChannelId: 759
+  NetCoreSDK313xxInternalChannelId: 760
   NetCoreSDK314xxChannelId: 921
   NetCoreSDK314xxInternalChannelId: 922
+  VS166ChannelId: 1010
+  VS167ChannelId: 1011
+  VSMasterChannelId: 1012
   
 stages:
-- stage: Validate
-  dependsOn: ${{ parameters.validateDependsOn }}
-  displayName: Validate
-  variables:
-    - template: common-variables.yml
-  jobs:
-  - template: setup-maestro-vars.yml
-
-  - job:
-    displayName: Post-build Checks
-    dependsOn: setupMaestroVars
-    variables:
-      - name: TargetChannels
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.TargetChannels'] ]
-    pool:
-      vmImage: 'windows-2019'
-    steps:
-      - task: PowerShell@2
-        displayName: Maestro Channels Consistency
-        inputs:
-          filePath: $(Build.SourcesDirectory)/eng/common/post-build/check-channel-consistency.ps1
-          arguments: -PromoteToChannels "$(TargetChannels)"
-            -AvailableChannelIds ${{parameters.NetEngLatestChannelId}},${{parameters.NetEngValidationChannelId}},${{parameters.NetDev5ChannelId}},${{parameters.GeneralTestingChannelId}},${{parameters.NETCoreToolingDevChannelId}},${{parameters.NETCoreToolingReleaseChannelId}},${{parameters.NETInternalToolingChannelId}},${{parameters.NETCoreExperimentalChannelId}},${{parameters.NetEngServicesIntChannelId}},${{parameters.NetEngServicesProdChannelId}},${{parameters.Net5Preview3ChannelId}},${{parameters.Net5Preview4ChannelId}},${{parameters.Net5Preview5ChannelId}},${{parameters.NetCoreSDK314xxChannelId}},${{parameters.NetCoreSDK314xxInternalChannelId}}
-
-  - job:
-    displayName: NuGet Validation
-    dependsOn: setupMaestroVars
-    condition: eq( ${{ parameters.enableNugetValidation }}, 'true')
-    pool:
-      vmImage: 'windows-2019'
+- ${{ if ne(parameters.inline, 'true') }}:
+  - stage: publish_using_darc
+    dependsOn: ${{ parameters.validateDependsOn }}
+    displayName: Publish using Darc
     variables:
-      - name: AzDOProjectName
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOProjectName'] ]
-      - name: AzDOPipelineId
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOPipelineId'] ]
-      - name: AzDOBuildId
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOBuildId'] ]
-    steps:
-      - task: DownloadBuildArtifacts@0
-        displayName: Download Package Artifacts
-        inputs:
-          buildType: specific
-          buildVersionToDownload: specific
-          project: $(AzDOProjectName)
-          pipeline: $(AzDOPipelineId)
-          buildId: $(AzDOBuildId)
-          artifactName: PackageArtifacts
-
-      - task: PowerShell@2
-        displayName: Validate
-        inputs:
-          filePath: $(Build.SourcesDirectory)/eng/common/post-build/nuget-validation.ps1
-          arguments: -PackagesPath $(Build.ArtifactStagingDirectory)/PackageArtifacts/ 
-            -ToolDestinationPath $(Agent.BuildDirectory)/Extract/ 
-
-  - job:
-    displayName: Signing Validation
-    dependsOn: setupMaestroVars
-    condition: eq( ${{ parameters.enableSigningValidation }}, 'true')
+      - template: common-variables.yml
+    jobs:
+    - template: setup-maestro-vars.yml
+
+    - job:
+      displayName: Publish Using Darc
+      dependsOn: setupMaestroVars
+      variables:
+        - name: BARBuildId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
+      pool:
+        vmImage: 'windows-2019'
+      steps:
+        - task: PowerShell@2
+          displayName: Publish Using Darc
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-using-darc.ps1
+            arguments: -BuildId $(BARBuildId) 
+              -AzdoToken '$(publishing-dnceng-devdiv-code-r-build-re)'
+              -MaestroToken '$(MaestroApiAccessToken)'
+              -WaitPublishingFinish ${{ parameters.waitPublishingFinish }}
+              -EnableSourceLinkValidation ${{ parameters.enableSourceLinkValidation }}
+              -EnableSigningValidation ${{ parameters.enableSourceLinkValidation }}
+              -EnableNugetValidation ${{ parameters.enableSourceLinkValidation }}
+              -PublishInstallersAndChecksums ${{ parameters.publishInstallersAndChecksums }}
+              -ArtifactsPublishingAdditionalParameters '${{ parameters.artifactsPublishingAdditionalParameters }}'
+              -SigningValidationAdditionalParameters '${{ parameters.signingValidationAdditionalParameters }}'
+
+- ${{ if eq(parameters.inline, 'true') }}:
+  - stage: Validate
+    dependsOn: ${{ parameters.validateDependsOn }}
+    displayName: Validate Build Assets
     variables:
       - template: common-variables.yml
-      - name: AzDOProjectName
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOProjectName'] ]
-      - name: AzDOPipelineId
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOPipelineId'] ]
-      - name: AzDOBuildId
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOBuildId'] ]
-    pool:
-      vmImage: 'windows-2019'
-    steps:
-      - ${{ if eq(parameters.useBuildManifest, true) }}:
+    jobs:
+    - template: setup-maestro-vars.yml
+
+    - job:
+      displayName: Post-build Checks
+      dependsOn: setupMaestroVars
+      variables:
+        - name: TargetChannels
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.TargetChannels'] ]
+      pool:
+        vmImage: 'windows-2019'
+      steps:
+        - task: PowerShell@2
+          displayName: Maestro Channels Consistency
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/post-build/check-channel-consistency.ps1
+            arguments: -PromoteToChannels "$(TargetChannels)"
+              -AvailableChannelIds ${{parameters.NetEngLatestChannelId}},${{parameters.NetEngValidationChannelId}},${{parameters.NetDev5ChannelId}},${{parameters.GeneralTestingChannelId}},${{parameters.NETCoreToolingDevChannelId}},${{parameters.NETCoreToolingReleaseChannelId}},${{parameters.NETInternalToolingChannelId}},${{parameters.NETCoreExperimentalChannelId}},${{parameters.NetEngServicesIntChannelId}},${{parameters.NetEngServicesProdChannelId}},${{parameters.Net5Preview5ChannelId}},${{parameters.Net5Preview6ChannelId}},${{parameters.Net5Preview7ChannelId}},${{parameters.NetCoreSDK313xxChannelId}},${{parameters.NetCoreSDK313xxInternalChannelId}},${{parameters.NetCoreSDK314xxChannelId}},${{parameters.NetCoreSDK314xxInternalChannelId}},${{parameters.VS166ChannelId}},${{parameters.VS167ChannelId}},${{parameters.VSMasterChannelId}}
+
+    - job:
+      displayName: NuGet Validation
+      dependsOn: setupMaestroVars
+      condition: eq( ${{ parameters.enableNugetValidation }}, 'true')
+      pool:
+        vmImage: 'windows-2019'
+      variables:
+        - name: AzDOProjectName
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOProjectName'] ]
+        - name: AzDOPipelineId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOPipelineId'] ]
+        - name: AzDOBuildId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOBuildId'] ]
+      steps:
         - task: DownloadBuildArtifacts@0
-          displayName: Download build manifest
+          displayName: Download Package Artifacts
           inputs:
             buildType: specific
             buildVersionToDownload: specific
             project: $(AzDOProjectName)
             pipeline: $(AzDOPipelineId)
             buildId: $(AzDOBuildId)
-            artifactName: BuildManifests
-      - task: DownloadBuildArtifacts@0
-        displayName: Download Package Artifacts
-        inputs:
-          buildType: specific
-          buildVersionToDownload: specific
-          project: $(AzDOProjectName)
-          pipeline: $(AzDOPipelineId)
-          buildId: $(AzDOBuildId)
-          artifactName: PackageArtifacts
-
-      # This is necessary whenever we want to publish/restore to an AzDO private feed
-      # Since sdk-task.ps1 tries to restore packages we need to do this authentication here
-      # otherwise it'll complain about accessing a private feed.
-      - task: NuGetAuthenticate@0
-        displayName: 'Authenticate to AzDO Feeds'
-
-      - task: PowerShell@2
-        displayName: Enable cross-org publishing
-        inputs:
-          filePath: eng\common\enable-cross-org-publishing.ps1
-          arguments: -token $(dn-bot-dnceng-artifact-feeds-rw)
-
-      # Signing validation will optionally work with the buildmanifest file which is downloaded from
-      # Azure DevOps above.
-      - task: PowerShell@2
-        displayName: Validate
-        inputs:
-          filePath: eng\common\sdk-task.ps1
-          arguments: -task SigningValidation -restore -msbuildEngine vs
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts'
-            /p:SignCheckExclusionsFile='$(Build.SourcesDirectory)/eng/SignCheckExclusionsFile.txt'
-            ${{ parameters.signingValidationAdditionalParameters }}
-
-      - template: ../steps/publish-logs.yml
-        parameters:
-          StageLabel: 'Validation'
-          JobLabel: 'Signing'
-
-  - job:
-    displayName: SourceLink Validation
-    dependsOn: setupMaestroVars
-    condition: eq( ${{ parameters.enableSourceLinkValidation }}, 'true')
-    variables:
-      - template: common-variables.yml
-      - name: AzDOProjectName
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOProjectName'] ]
-      - name: AzDOPipelineId
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOPipelineId'] ]
-      - name: AzDOBuildId
-        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOBuildId'] ]
-    pool:
-      vmImage: 'windows-2019'
-    steps:
-      - task: DownloadBuildArtifacts@0
-        displayName: Download Blob Artifacts
-        inputs:
-          buildType: specific
-          buildVersionToDownload: specific
-          project: $(AzDOProjectName)
-          pipeline: $(AzDOPipelineId)
-          buildId: $(AzDOBuildId)
-          artifactName: BlobArtifacts
-
-      - task: PowerShell@2
-        displayName: Validate
-        inputs:
-          filePath: $(Build.SourcesDirectory)/eng/common/post-build/sourcelink-validation.ps1
-          arguments: -InputPath $(Build.ArtifactStagingDirectory)/BlobArtifacts/ 
-            -ExtractPath $(Agent.BuildDirectory)/Extract/ 
-            -GHRepoName $(Build.Repository.Name) 
-            -GHCommit $(Build.SourceVersion)
-            -SourcelinkCliVersion $(SourceLinkCLIVersion)
-        continueOnError: true
-
-  - template: /eng/common/templates/job/execute-sdl.yml
-    parameters:
-      enable: ${{ parameters.SDLValidationParameters.enable }}
+            artifactName: PackageArtifacts
+
+        - task: PowerShell@2
+          displayName: Validate
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/post-build/nuget-validation.ps1
+            arguments: -PackagesPath $(Build.ArtifactStagingDirectory)/PackageArtifacts/ 
+              -ToolDestinationPath $(Agent.BuildDirectory)/Extract/ 
+
+    - job:
+      displayName: Signing Validation
+      dependsOn: setupMaestroVars
+      condition: eq( ${{ parameters.enableSigningValidation }}, 'true')
+      variables:
+        - template: common-variables.yml
+        - name: AzDOProjectName
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOProjectName'] ]
+        - name: AzDOPipelineId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOPipelineId'] ]
+        - name: AzDOBuildId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOBuildId'] ]
+      pool:
+        vmImage: 'windows-2019'
+      steps:
+        - ${{ if eq(parameters.useBuildManifest, true) }}:
+          - task: DownloadBuildArtifacts@0
+            displayName: Download build manifest
+            inputs:
+              buildType: specific
+              buildVersionToDownload: specific
+              project: $(AzDOProjectName)
+              pipeline: $(AzDOPipelineId)
+              buildId: $(AzDOBuildId)
+              artifactName: BuildManifests
+        - task: DownloadBuildArtifacts@0
+          displayName: Download Package Artifacts
+          inputs:
+            buildType: specific
+            buildVersionToDownload: specific
+            project: $(AzDOProjectName)
+            pipeline: $(AzDOPipelineId)
+            buildId: $(AzDOBuildId)
+            artifactName: PackageArtifacts
+
+        # This is necessary whenever we want to publish/restore to an AzDO private feed
+        # Since sdk-task.ps1 tries to restore packages we need to do this authentication here
+        # otherwise it'll complain about accessing a private feed.
+        - task: NuGetAuthenticate@0
+          displayName: 'Authenticate to AzDO Feeds'
+
+        - task: PowerShell@2
+          displayName: Enable cross-org publishing
+          inputs:
+            filePath: eng\common\enable-cross-org-publishing.ps1
+            arguments: -token $(dn-bot-dnceng-artifact-feeds-rw)
+
+        # Signing validation will optionally work with the buildmanifest file which is downloaded from
+        # Azure DevOps above.
+        - task: PowerShell@2
+          displayName: Validate
+          inputs:
+            filePath: eng\common\sdk-task.ps1
+            arguments: -task SigningValidation -restore -msbuildEngine vs
+              /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts'
+              /p:SignCheckExclusionsFile='$(Build.SourcesDirectory)/eng/SignCheckExclusionsFile.txt'
+              ${{ parameters.signingValidationAdditionalParameters }}
+
+        - template: ../steps/publish-logs.yml
+          parameters:
+            StageLabel: 'Validation'
+            JobLabel: 'Signing'
+
+    - job:
+      displayName: SourceLink Validation
       dependsOn: setupMaestroVars
-      additionalParameters: ${{ parameters.SDLValidationParameters.params }}
-      continueOnError: ${{ parameters.SDLValidationParameters.continueOnError }}
-      artifactNames: ${{ parameters.SDLValidationParameters.artifactNames }}
-      downloadArtifacts: ${{ parameters.SDLValidationParameters.downloadArtifacts }}
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NetCore_Dev5_Publish'
-    channelName: '.NET 5 Dev'
-    akaMSChannelName: 'net5/dev'
-    channelId: ${{ parameters.NetDev5ChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net5_Preview3_Publish'
-    channelName: '.NET 5 Preview 3'
-    akaMSChannelName: 'net5/preview3'
-    channelId: ${{ parameters.Net5Preview3ChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net5_Preview4_Publish'
-    channelName: '.NET 5 Preview 4'
-    akaMSChannelName: 'net5/preview4'
-    channelId: ${{ parameters.Net5Preview4ChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net5_Preview5_Publish'
-    channelName: '.NET 5 Preview 5'
-    akaMSChannelName: 'net5/preview5'
-    channelId: ${{ parameters.Net5Preview5ChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net_Eng_Latest_Publish'
-    channelName: '.NET Eng - Latest'
-    akaMSChannelName: 'eng/daily'
-    channelId: ${{ parameters.NetEngLatestChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net_Eng_Validation_Publish'
-    channelName: '.NET Eng - Validation'
-    akaMSChannelName: 'eng/validation'
-    channelId: ${{ parameters.NetEngValidationChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'General_Testing_Publish'
-    channelName: 'General Testing'
-    akaMSChannelName: 'generaltesting'
-    channelId: ${{ parameters.GeneralTestingChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NETCore_Tooling_Dev_Publishing'
-    channelName: '.NET Core Tooling Dev'
-    channelId: ${{ parameters.NETCoreToolingDevChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NETCore_Tooling_Release_Publishing'
-    channelName: '.NET Core Tooling Release'
-    channelId: ${{ parameters.NETCoreToolingReleaseChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-internal-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NET_Internal_Tooling_Publishing'
-    channelName: '.NET Internal Tooling'
-    channelId: ${{ parameters.NETInternalToolingChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/internal/_packaging/dotnet-tools-internal/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/internal/_packaging/dotnet-tools-internal/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/internal/_packaging/dotnet-tools-internal-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NETCore_Experimental_Publishing'
-    channelName: '.NET Core Experimental'
-    channelId: ${{ parameters.NETCoreExperimentalChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net_Eng_Services_Int_Publish'
-    channelName: '.NET Eng Services - Int'
-    channelId: ${{ parameters.NetEngServicesIntChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'Net_Eng_Services_Prod_Publish'
-    channelName: '.NET Eng Services - Prod'
-    channelId: ${{ parameters.NetEngServicesProdChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NETCore_SDK_314xx_Publishing'
-    channelName: '.NET Core SDK 3.1.4xx'
-    channelId: ${{ parameters.NetCoreSDK314xxChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-symbols/nuget/v3/index.json'
-
-- template: \eng\common\templates\post-build\channels\generic-internal-channel.yml
-  parameters:
-    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
-    dependsOn: ${{ parameters.publishDependsOn }}
-    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
-    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
-    stageName: 'NETCore_SDK_314xx_Internal_Publishing'
-    channelName: '.NET Core SDK 3.1.4xx Internal'
-    channelId: ${{ parameters.NetCoreSDK314xxInternalChannelId }}
-    transportFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v3/index.json'
-    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v3/index.json'
-    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-symbols/nuget/v3/index.json' 
+      condition: eq( ${{ parameters.enableSourceLinkValidation }}, 'true')
+      variables:
+        - template: common-variables.yml
+        - name: AzDOProjectName
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOProjectName'] ]
+        - name: AzDOPipelineId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOPipelineId'] ]
+        - name: AzDOBuildId
+          value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.AzDOBuildId'] ]
+      pool:
+        vmImage: 'windows-2019'
+      steps:
+        - task: DownloadBuildArtifacts@0
+          displayName: Download Blob Artifacts
+          inputs:
+            buildType: specific
+            buildVersionToDownload: specific
+            project: $(AzDOProjectName)
+            pipeline: $(AzDOPipelineId)
+            buildId: $(AzDOBuildId)
+            artifactName: BlobArtifacts
+
+        - task: PowerShell@2
+          displayName: Validate
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/post-build/sourcelink-validation.ps1
+            arguments: -InputPath $(Build.ArtifactStagingDirectory)/BlobArtifacts/ 
+              -ExtractPath $(Agent.BuildDirectory)/Extract/ 
+              -GHRepoName $(Build.Repository.Name) 
+              -GHCommit $(Build.SourceVersion)
+              -SourcelinkCliVersion $(SourceLinkCLIVersion)
+          continueOnError: true
+
+    - template: /eng/common/templates/job/execute-sdl.yml
+      parameters:
+        enable: ${{ parameters.SDLValidationParameters.enable }}
+        dependsOn: setupMaestroVars
+        additionalParameters: ${{ parameters.SDLValidationParameters.params }}
+        continueOnError: ${{ parameters.SDLValidationParameters.continueOnError }}
+        artifactNames: ${{ parameters.SDLValidationParameters.artifactNames }}
+        downloadArtifacts: ${{ parameters.SDLValidationParameters.downloadArtifacts }}
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NetCore_Dev5_Publish'
+      channelName: '.NET 5 Dev'
+      akaMSChannelName: 'net5/dev'
+      channelId: ${{ parameters.NetDev5ChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net5_Preview5_Publish'
+      channelName: '.NET 5 Preview 5'
+      akaMSChannelName: 'net5/preview5'
+      channelId: ${{ parameters.Net5Preview5ChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net5_Preview6_Publish'
+      channelName: '.NET 5 Preview 6'
+      akaMSChannelName: 'net5/preview6'
+      channelId: ${{ parameters.Net5Preview6ChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net5_Preview7_Publish'
+      channelName: '.NET 5 Preview 7'
+      akaMSChannelName: 'net5/preview7'
+      channelId: ${{ parameters.Net5Preview7ChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net_Eng_Latest_Publish'
+      channelName: '.NET Eng - Latest'
+      akaMSChannelName: 'eng/daily'
+      channelId: ${{ parameters.NetEngLatestChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net_Eng_Validation_Publish'
+      channelName: '.NET Eng - Validation'
+      akaMSChannelName: 'eng/validation'
+      channelId: ${{ parameters.NetEngValidationChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'General_Testing_Publish'
+      channelName: 'General Testing'
+      akaMSChannelName: 'generaltesting'
+      channelId: ${{ parameters.GeneralTestingChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/general-testing-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_Tooling_Dev_Publishing'
+      channelName: '.NET Core Tooling Dev'
+      channelId: ${{ parameters.NETCoreToolingDevChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_Tooling_Release_Publishing'
+      channelName: '.NET Core Tooling Release'
+      channelId: ${{ parameters.NETCoreToolingReleaseChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-internal-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NET_Internal_Tooling_Publishing'
+      channelName: '.NET Internal Tooling'
+      channelId: ${{ parameters.NETInternalToolingChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/internal/_packaging/dotnet-tools-internal/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/internal/_packaging/dotnet-tools-internal/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/internal/_packaging/dotnet-tools-internal-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_Experimental_Publishing'
+      channelName: '.NET Core Experimental'
+      channelId: ${{ parameters.NETCoreExperimentalChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net_Eng_Services_Int_Publish'
+      channelName: '.NET Eng Services - Int'
+      channelId: ${{ parameters.NetEngServicesIntChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'Net_Eng_Services_Prod_Publish'
+      channelName: '.NET Eng Services - Prod'
+      channelId: ${{ parameters.NetEngServicesProdChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_SDK_314xx_Publishing'
+      channelName: '.NET Core SDK 3.1.4xx'
+      channelId: ${{ parameters.NetCoreSDK314xxChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-internal-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_SDK_314xx_Internal_Publishing'
+      channelName: '.NET Core SDK 3.1.4xx Internal'
+      channelId: ${{ parameters.NetCoreSDK314xxInternalChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-symbols/nuget/v3/index.json' 
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_SDK_313xx_Publishing'
+      channelName: '.NET Core SDK 3.1.3xx'
+      channelId: ${{ parameters.NetCoreSDK313xxChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-internal-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'NETCore_SDK_313xx_Internal_Publishing'
+      channelName: '.NET Core SDK 3.1.3xx Internal'
+      channelId: ${{ parameters.NetCoreSDK313xxInternalChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-symbols/nuget/v3/index.json' 
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'VS16_6_Publishing'
+      channelName: 'VS 16.6'
+      channelId: ${{ parameters.VS166ChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
+
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'VS16_7_Publishing'
+      channelName: 'VS 16.7'
+      channelId: ${{ parameters.VS167ChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
+      
+  - template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+    parameters:
+      artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+      dependsOn: ${{ parameters.publishDependsOn }}
+      publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+      symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+      stageName: 'VS_Master_Publishing'
+      channelName: 'VS Master'
+      channelId: ${{ parameters.VSMasterChannelId }}
+      transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-transport/nuget/v3/index.json'
+      shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
+      symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools-symbols/nuget/v3/index.json'
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index f31377a6..d68684e2 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -7,9 +7,11 @@
 # Build configuration. Common values include 'Debug' and 'Release', but the repository may use other names.
 [string]$configuration = if (Test-Path variable:configuration) { $configuration } else { 'Debug' }
 
+# Set to true to opt out of outputting binary log while running in CI
+[bool]$excludeCIBinarylog = if (Test-Path variable:excludeCIBinarylog) { $excludeCIBinarylog } else { $false }
+
 # Set to true to output binary log from msbuild. Note that emitting binary log slows down the build.
-# Binary log must be enabled on CI.
-[bool]$binaryLog = if (Test-Path variable:binaryLog) { $binaryLog } else { $ci }
+[bool]$binaryLog = if (Test-Path variable:binaryLog) { $binaryLog } else { $ci -and !$excludeCIBinarylog }
 
 # Set to true to use the pipelines logger which will enable Azure logging output.
 # https://github.com/Microsoft/azure-pipelines-tasks/blob/master/docs/authoring/commands.md
@@ -55,10 +57,8 @@ set-strictmode -version 2.0
 $ErrorActionPreference = 'Stop'
 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
 
-function Create-Directory([string[]] $path) {
-  if (!(Test-Path $path)) {
-    New-Item -path $path -force -itemType 'Directory' | Out-Null
-  }
+function Create-Directory ([string[]] $path) {
+    New-Item -Path $path -Force -ItemType 'Directory' | Out-Null
 }
 
 function Unzip([string]$zipfile, [string]$outpath) {
@@ -124,7 +124,9 @@ function InitializeDotNetCli([bool]$install, [bool]$createSdkLocationFile) {
 
   # Find the first path on %PATH% that contains the dotnet.exe
   if ($useInstalledDotNetCli -and (-not $globalJsonHasRuntimes) -and ($env:DOTNET_INSTALL_DIR -eq $null)) {
-    $dotnetCmd = Get-Command 'dotnet.exe' -ErrorAction SilentlyContinue
+    $dotnetExecutable = GetExecutableFileName 'dotnet'
+    $dotnetCmd = Get-Command $dotnetExecutable -ErrorAction SilentlyContinue
+
     if ($dotnetCmd -ne $null) {
       $env:DOTNET_INSTALL_DIR = Split-Path $dotnetCmd.Path -Parent
     }
@@ -283,12 +285,19 @@ function InstallDotNet([string] $dotnetRoot,
 # Throws on failure.
 #
 function InitializeVisualStudioMSBuild([bool]$install, [object]$vsRequirements = $null) {
+  if (-not (IsWindowsPlatform)) {
+    throw "Cannot initialize Visual Studio on non-Windows"
+  }
+
   if (Test-Path variable:global:_MSBuildExe) {
     return $global:_MSBuildExe
   }
 
+  $vsMinVersionReqdStr = '16.5'
+  $vsMinVersionReqd = [Version]::new($vsMinVersionReqdStr)
+
   if (!$vsRequirements) { $vsRequirements = $GlobalJson.tools.vs }
-  $vsMinVersionStr = if ($vsRequirements.version) { $vsRequirements.version } else { '15.9' }
+  $vsMinVersionStr = if ($vsRequirements.version) { $vsRequirements.version } else { $vsMinVersionReqdStr }
   $vsMinVersion = [Version]::new($vsMinVersionStr)
 
   # Try msbuild command available in the environment.
@@ -321,8 +330,18 @@ function InitializeVisualStudioMSBuild([bool]$install, [object]$vsRequirements =
       $xcopyMSBuildVersion = $GlobalJson.tools.'xcopy-msbuild'
       $vsMajorVersion = $xcopyMSBuildVersion.Split('.')[0]
     } else {
-      $vsMajorVersion = $vsMinVersion.Major
-      $xcopyMSBuildVersion = "$vsMajorVersion.$($vsMinVersion.Minor).0-alpha"
+      #if vs version provided in global.json is incompatible then use the default version for xcopy msbuild download
+      if($vsMinVersion -lt $vsMinVersionReqd){
+        Write-Host "Using xcopy-msbuild version of $vsMinVersionReqdStr.0-alpha since VS version $vsMinVersionStr provided in global.json is not compatible"
+        $vsMajorVersion = $vsMinVersionReqd.Major
+        $vsMinorVersion = $vsMinVersionReqd.Minor
+      }
+      else{
+        $vsMajorVersion = $vsMinVersion.Major
+        $vsMinorVersion = $vsMinVersion.Minor
+      }
+
+      $xcopyMSBuildVersion = "$vsMajorVersion.$vsMinorVersion.0-alpha"
     }
 
     $vsInstallDir = $null
@@ -387,6 +406,10 @@ function InitializeXCopyMSBuild([string]$packageVersion, [bool]$install) {
 # or $null if no instance meeting the requirements is found on the machine.
 #
 function LocateVisualStudio([object]$vsRequirements = $null){
+  if (-not (IsWindowsPlatform)) {
+    throw "Cannot run vswhere on non-Windows platforms."
+  }
+
   if (Get-Member -InputObject $GlobalJson.tools -Name 'vswhere') {
     $vswhereVersion = $GlobalJson.tools.vswhere
   } else {
@@ -452,7 +475,8 @@ function InitializeBuildTool() {
       Write-PipelineTelemetryError -Category 'InitializeToolset' -Message "/global.json must specify 'tools.dotnet'."
       ExitWithExitCode 1
     }
-    $buildTool = @{ Path = Join-Path $dotnetRoot 'dotnet.exe'; Command = 'msbuild'; Tool = 'dotnet'; Framework = 'netcoreapp2.1' }
+    $dotnetPath = Join-Path $dotnetRoot (GetExecutableFileName 'dotnet')
+    $buildTool = @{ Path = $dotnetPath; Command = 'msbuild'; Tool = 'dotnet'; Framework = 'netcoreapp2.1' }
   } elseif ($msbuildEngine -eq "vs") {
     try {
       $msbuildPath = InitializeVisualStudioMSBuild -install:$restore
@@ -605,8 +629,8 @@ function MSBuild() {
 #
 function MSBuild-Core() {
   if ($ci) {
-    if (!$binaryLog) {
-      Write-PipelineTelemetryError -Category 'Build' -Message 'Binary log must be enabled in CI build.'
+    if (!$binaryLog -and !$excludeCIBinarylog) {
+      Write-PipelineTelemetryError -Category 'Build' -Message 'Binary log must be enabled in CI build, or explicitly opted-out from with the -excludeCIBinarylog switch.'
       ExitWithExitCode 1
     }
 
@@ -666,6 +690,19 @@ function GetMSBuildBinaryLogCommandLineArgument($arguments) {
   return $null
 }
 
+function GetExecutableFileName($baseName) {
+  if (IsWindowsPlatform) {
+    return "$baseName.exe"
+  }
+  else {
+    return $baseName
+  }
+}
+
+function IsWindowsPlatform() {
+  return [environment]::OSVersion.Platform -eq [PlatformID]::Win32NT
+}
+
 . $PSScriptRoot\pipeline-logging-functions.ps1
 
 $RepoRoot = Resolve-Path (Join-Path $PSScriptRoot '..\..')
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index a9dff440..e94fce22 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -18,9 +18,17 @@ fi
 # Build configuration. Common values include 'Debug' and 'Release', but the repository may use other names.
 configuration=${configuration:-'Debug'}
 
+# Set to true to opt out of outputting binary log while running in CI
+exclude_ci_binary_log=${exclude_ci_binary_log:-false}
+
+if [[ "$ci" == true && "$exclude_ci_binary_log" == false ]]; then
+  binary_log_default=true
+else
+  binary_log_default=false
+fi
+
 # Set to true to output binary log from msbuild. Note that emitting binary log slows down the build.
-# Binary log must be enabled on CI.
-binary_log=${binary_log:-$ci}
+binary_log=${binary_log:-$binary_log_default}
 
 # Turns on machine preparation/clean up code that changes the machine state (e.g. kills build processes).
 prepare_machine=${prepare_machine:-false}
@@ -404,8 +412,8 @@ function MSBuild {
 
 function MSBuild-Core {
   if [[ "$ci" == true ]]; then
-    if [[ "$binary_log" != true ]]; then
-      Write-PipelineTelemetryError -category 'Build'  "Binary log must be enabled in CI build."
+    if [[ "$binary_log" != true && "$exclude_ci_binary_log" != true ]]; then
+      Write-PipelineTelemetryError -category 'Build'  "Binary log must be enabled in CI build, or explicitly opted-out from with the -noBinaryLog switch."
       ExitWithExitCode 1
     fi
 
diff --git a/global.json b/global.json
index 79be6e17..c030b13a 100644
--- a/global.json
+++ b/global.json
@@ -1,13 +1,16 @@
 {
   "tools": {
-    "dotnet": "3.1.102",
+    "dotnet": "5.0.100-preview.6.20310.4",
     "runtimes": {
       "dotnet": [
         "3.1.2"
+      ],
+      "aspnetcore": [
+        "3.1.4"
       ]
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.20228.4"
+    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.20330.3"
   }
 }
diff --git a/src/Microsoft.Tye.Core/ApplicationFactory.cs b/src/Microsoft.Tye.Core/ApplicationFactory.cs
index 138121fb..d1d95e15 100644
--- a/src/Microsoft.Tye.Core/ApplicationFactory.cs
+++ b/src/Microsoft.Tye.Core/ApplicationFactory.cs
@@ -88,7 +88,7 @@ namespace Microsoft.Tye
                     if (!string.IsNullOrEmpty(configService.Project))
                     {
                         var expandedProject = Environment.ExpandEnvironmentVariables(configService.Project);
-                        var projectFile = new FileInfo(Path.Combine(config.Source.DirectoryName, expandedProject));
+                        var projectFile = new FileInfo(Path.Combine(config.Source.DirectoryName!, expandedProject));
                         var project = new DotnetProjectServiceBuilder(configService.Name!, projectFile);
                         service = project;
 
@@ -131,7 +131,7 @@ namespace Microsoft.Tye
                             Args = configService.Args,
                             Build = configService.Build ?? true,
                             Replicas = configService.Replicas ?? 1,
-                            DockerFile = Path.Combine(source.DirectoryName, configService.DockerFile),
+                            DockerFile = Path.Combine(source.DirectoryName!, configService.DockerFile),
                             // Supplying an absolute path with trailing slashes fails for DockerFileContext when calling docker build, so trim trailing slash.
                             DockerFileContext = GetDockerFileContext(source, configService),
                             BuildArgs = configService.DockerFileArgs
@@ -156,7 +156,7 @@ namespace Microsoft.Tye
                         // Special handling of .dlls as executables (it will be executed as dotnet {dll})
                         if (Path.GetExtension(expandedExecutable) == ".dll")
                         {
-                            expandedExecutable = Path.GetFullPath(Path.Combine(config.Source.Directory.FullName, expandedExecutable));
+                            expandedExecutable = Path.GetFullPath(Path.Combine(config.Source.Directory!.FullName, expandedExecutable));
                             workingDirectory = Path.GetDirectoryName(expandedExecutable)!;
                         }
 
@@ -164,7 +164,7 @@ namespace Microsoft.Tye
                         {
                             Args = configService.Args,
                             WorkingDirectory = configService.WorkingDirectory != null ?
-                            Path.GetFullPath(Path.Combine(config.Source.Directory.FullName, Environment.ExpandEnvironmentVariables(configService.WorkingDirectory))) :
+                            Path.GetFullPath(Path.Combine(config.Source.Directory!.FullName, Environment.ExpandEnvironmentVariables(configService.WorkingDirectory))) :
                             workingDirectory,
                             Replicas = configService.Replicas ?? 1
                         };
@@ -177,7 +177,7 @@ namespace Microsoft.Tye
                     {
                         var expandedYaml = Environment.ExpandEnvironmentVariables(configService.Include);
 
-                        var nestedConfig = GetNestedConfig(rootConfig, Path.Combine(config.Source.DirectoryName, expandedYaml));
+                        var nestedConfig = GetNestedConfig(rootConfig, Path.Combine(config.Source.DirectoryName!, expandedYaml));
                         queue.Enqueue((nestedConfig, new HashSet<string>()));
 
                         AddToRootServices(root, dependencies, configService.Name);
@@ -227,7 +227,7 @@ namespace Microsoft.Tye
                     {
                         var functionBuilder = new AzureFunctionServiceBuilder(
                             configService.Name,
-                            Path.Combine(config.Source.DirectoryName, configService.AzureFunction))
+                            Path.Combine(config.Source.DirectoryName!, configService.AzureFunction))
                         {
                             Args = configService.Args,
                             Replicas = configService.Replicas ?? 1,
@@ -395,11 +395,11 @@ namespace Microsoft.Tye
             // but it's the exact opposite on linux, where it needs to have the trailing slash.
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
-                return Path.TrimEndingDirectorySeparator(Path.Combine(source.DirectoryName, configService.DockerFileContext));
+                return Path.TrimEndingDirectorySeparator(Path.Combine(source.DirectoryName!, configService.DockerFileContext));
             }
             else
             {
-                var path = Path.Combine(source.DirectoryName, configService.DockerFileContext);
+                var path = Path.Combine(source.DirectoryName!, configService.DockerFileContext);
 
                 if (!Path.EndsInDirectorySeparator(path))
                 {
@@ -412,7 +412,7 @@ namespace Microsoft.Tye
 
         private static ConfigApplication GetNestedConfig(ConfigApplication rootConfig, string? file)
         {
-            var nestedConfig = ConfigFactory.FromFile(new FileInfo(file));
+            var nestedConfig = ConfigFactory.FromFile(new FileInfo(file!));
             nestedConfig.Validate();
 
             if (nestedConfig.Name != rootConfig.Name)
diff --git a/src/Microsoft.Tye.Core/ConfigModel/ConfigFactory.cs b/src/Microsoft.Tye.Core/ConfigModel/ConfigFactory.cs
index 49a22322..cd511102 100644
--- a/src/Microsoft.Tye.Core/ConfigModel/ConfigFactory.cs
+++ b/src/Microsoft.Tye.Core/ConfigModel/ConfigFactory.cs
@@ -71,7 +71,7 @@ namespace Microsoft.Tye.ConfigModel
                 //
                 // We want a *fast* heuristic that excludes unit test projects and class libraries without
                 // having to load all of the projects. 
-                var launchSettings = Path.Combine(projectFile.DirectoryName, "Properties", "launchSettings.json");
+                var launchSettings = Path.Combine(projectFile.DirectoryName!, "Properties", "launchSettings.json");
                 if (File.Exists(launchSettings) || ContainsOutputTypeExe(projectFile))
                 {
                     var service = new ConfigService()
diff --git a/src/Microsoft.Tye.Core/ConfigModel/NameInferer.cs b/src/Microsoft.Tye.Core/ConfigModel/NameInferer.cs
index 2dd4195a..506ddff4 100644
--- a/src/Microsoft.Tye.Core/ConfigModel/NameInferer.cs
+++ b/src/Microsoft.Tye.Core/ConfigModel/NameInferer.cs
@@ -21,7 +21,7 @@ namespace Microsoft.Tye.ConfigModel
                 return Path.GetFileNameWithoutExtension(fileInfo.Name).ToLowerInvariant();
             }
 
-            return fileInfo.Directory.Parent.Name.ToLowerInvariant();
+            return fileInfo.Directory?.Parent?.Name.ToLowerInvariant();
         }
     }
 }
diff --git a/src/Microsoft.Tye.Core/DockerContainerBuilder.cs b/src/Microsoft.Tye.Core/DockerContainerBuilder.cs
index 409a8694..043ef814 100644
--- a/src/Microsoft.Tye.Core/DockerContainerBuilder.cs
+++ b/src/Microsoft.Tye.Core/DockerContainerBuilder.cs
@@ -36,7 +36,7 @@ namespace Microsoft.Tye
 
             var dockerFileInfo = new FileInfo(containerService.DockerFile);
             var contextDirectory = containerService.DockerFileContext ?? dockerFileInfo.DirectoryName;
-            var dockerFilePath = Path.Combine(dockerFileInfo.DirectoryName, "Dockerfile");
+            var dockerFilePath = Path.Combine(dockerFileInfo.DirectoryName!, "Dockerfile");
 
             output.WriteDebugLine($"Using existing Dockerfile '{dockerFilePath}'.");
 
@@ -83,7 +83,7 @@ namespace Microsoft.Tye
             }
 
             string contextDirectory;
-            var dockerFilePath = Path.Combine(project.ProjectFile.DirectoryName, "Dockerfile");
+            var dockerFilePath = Path.Combine(project.ProjectFile.DirectoryName!, "Dockerfile");
 
             TempFile? tempFile = null;
             TempDirectory? tempDirectory = null;
diff --git a/src/Microsoft.Tye.Core/FuncDetector.cs b/src/Microsoft.Tye.Core/FuncDetector.cs
index a7189ded..209b5a92 100644
--- a/src/Microsoft.Tye.Core/FuncDetector.cs
+++ b/src/Microsoft.Tye.Core/FuncDetector.cs
@@ -165,7 +165,7 @@ namespace Microsoft.Tye
                 if (!dryRun)
                 {
                     logger.LogInformation("Writing list of azure function versions to {FeedJsonFile}.", feedJsonFile);
-                    Directory.CreateDirectory(new FileInfo(feedJsonFile).DirectoryName);
+                    Directory.CreateDirectory(new FileInfo(feedJsonFile).DirectoryName!);
                     await File.WriteAllTextAsync(feedJsonFile, responseString, cancellation);
                 }
             }
diff --git a/src/Microsoft.Tye.Core/GenerateApplicationKubernetesManifestStep.cs b/src/Microsoft.Tye.Core/GenerateApplicationKubernetesManifestStep.cs
index b23041c6..30823fd6 100644
--- a/src/Microsoft.Tye.Core/GenerateApplicationKubernetesManifestStep.cs
+++ b/src/Microsoft.Tye.Core/GenerateApplicationKubernetesManifestStep.cs
@@ -16,7 +16,7 @@ namespace Microsoft.Tye
 
         public override async Task ExecuteAsync(OutputContext output, ApplicationBuilder application)
         {
-            var outputFilePath = Path.GetFullPath(Path.Combine(application.Source.DirectoryName, $"{application.Name}-generate-{Environment}.yaml"));
+            var outputFilePath = Path.GetFullPath(Path.Combine(application.Source.DirectoryName!, $"{application.Name}-generate-{Environment}.yaml"));
             output.WriteInfoLine($"Writing output to '{outputFilePath}'.");
             {
                 File.Delete(outputFilePath);
diff --git a/src/Microsoft.Tye.Core/GenerateDockerfileStep.cs b/src/Microsoft.Tye.Core/GenerateDockerfileStep.cs
index f0fc9733..4bb13958 100644
--- a/src/Microsoft.Tye.Core/GenerateDockerfileStep.cs
+++ b/src/Microsoft.Tye.Core/GenerateDockerfileStep.cs
@@ -32,7 +32,7 @@ namespace Microsoft.Tye
 
             container.UseMultiphaseDockerfile ??= true;
 
-            var dockerFilePath = Path.Combine(project.ProjectFile.DirectoryName, "Dockerfile");
+            var dockerFilePath = Path.Combine(project.ProjectFile.DirectoryName!, "Dockerfile");
             if (File.Exists(dockerFilePath) && !Force)
             {
                 throw new CommandException("'Dockerfile' already exists for project. use '--force' to overwrite.");
diff --git a/src/Microsoft.Tye.Core/GenerateHelmChartStep.cs b/src/Microsoft.Tye.Core/GenerateHelmChartStep.cs
index d2ebeddb..7bfeb278 100644
--- a/src/Microsoft.Tye.Core/GenerateHelmChartStep.cs
+++ b/src/Microsoft.Tye.Core/GenerateHelmChartStep.cs
@@ -25,7 +25,7 @@ namespace Microsoft.Tye
                 return Task.CompletedTask;
             }
 
-            var chartDirectory = Path.Combine(project.ProjectFile.DirectoryName, "charts");
+            var chartDirectory = Path.Combine(project.ProjectFile.DirectoryName!, "charts");
             if (Directory.Exists(chartDirectory) && !Force)
             {
                 throw new CommandException("'charts' directory already exists for project. use '--force' to overwrite.");
diff --git a/src/Microsoft.Tye.Core/Microsoft.Tye.Core.csproj b/src/Microsoft.Tye.Core/Microsoft.Tye.Core.csproj
index 2f4b6ad6..79d85550 100644
--- a/src/Microsoft.Tye.Core/Microsoft.Tye.Core.csproj
+++ b/src/Microsoft.Tye.Core/Microsoft.Tye.Core.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Tye</RootNamespace>
     <AssemblyName>Microsoft.Tye.Core</AssemblyName>
     <PackageId>Microsoft.Tye.Core</PackageId>
@@ -13,7 +13,7 @@
       The Microsoft.Build.Locator package takes care of dynamically loading these assemblies
       at runtime. We don't need/want to ship them, just to have them as references.
     -->
-    <PackageReference Include="Microsoft.Build" Version="16.3.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Microsoft.Build" Version="16.6.0" ExcludeAssets="runtime" />
     <PackageReference Include="Microsoft.Build.Locator" Version="1.2.6" />
     <!-- Hoisted to avoid a conflict with Microsoft.Build -->
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.7.0" />
diff --git a/src/Microsoft.Tye.Core/OutputContext.cs b/src/Microsoft.Tye.Core/OutputContext.cs
index 8b766504..7f2c569a 100644
--- a/src/Microsoft.Tye.Core/OutputContext.cs
+++ b/src/Microsoft.Tye.Core/OutputContext.cs
@@ -158,7 +158,7 @@ namespace Microsoft.Tye
 
                 if (allowEmpty || !string.IsNullOrEmpty(line))
                 {
-                    return line.Trim();
+                    return line!.Trim();
                 }
             }
         }
diff --git a/src/Microsoft.Tye.Core/ProcessExtensions.cs b/src/Microsoft.Tye.Core/ProcessExtensions.cs
index a3885af2..de62be31 100644
--- a/src/Microsoft.Tye.Core/ProcessExtensions.cs
+++ b/src/Microsoft.Tye.Core/ProcessExtensions.cs
@@ -109,13 +109,13 @@ namespace Microsoft.Tye
             var process = System.Diagnostics.Process.Start(startInfo);
 
             stdout = null;
-            if (process.WaitForExit((int)timeout.TotalMilliseconds))
+            if (process?.WaitForExit((int)timeout.TotalMilliseconds) == true)
             {
-                stdout = process.StandardOutput.ReadToEnd();
+                stdout = process?.StandardOutput.ReadToEnd();
             }
             else
             {
-                process.Kill();
+                process?.Kill();
             }
         }
     }
diff --git a/src/Microsoft.Tye.Core/ProcessUtil.cs b/src/Microsoft.Tye.Core/ProcessUtil.cs
index 4781c8fe..204e2fae 100644
--- a/src/Microsoft.Tye.Core/ProcessUtil.cs
+++ b/src/Microsoft.Tye.Core/ProcessUtil.cs
@@ -52,7 +52,7 @@ namespace Microsoft.Tye
             {
                 foreach (var kvp in environmentVariables)
                 {
-                    process.StartInfo.Environment.Add(kvp);
+                    process.StartInfo.Environment.Add(kvp!);
                 }
             }
 
diff --git a/src/Microsoft.Tye.Core/ProjectReader.cs b/src/Microsoft.Tye.Core/ProjectReader.cs
index 421b7211..af5076c5 100644
--- a/src/Microsoft.Tye.Core/ProjectReader.cs
+++ b/src/Microsoft.Tye.Core/ProjectReader.cs
@@ -254,9 +254,9 @@ namespace Microsoft.Tye
             output.WriteDebugLine($"IntermediateOutputPath={project.IntermediateOutputPath}");
 
             // Normalize directories to their absolute paths
-            project.IntermediateOutputPath = Path.Combine(project.ProjectFile.DirectoryName, NormalizePath(project.IntermediateOutputPath));
-            project.TargetPath = Path.Combine(project.ProjectFile.DirectoryName, NormalizePath(project.TargetPath));
-            project.PublishDir = Path.Combine(project.ProjectFile.DirectoryName, NormalizePath(project.PublishDir));
+            project.IntermediateOutputPath = Path.Combine(project.ProjectFile.DirectoryName!, NormalizePath(project.IntermediateOutputPath));
+            project.TargetPath = Path.Combine(project.ProjectFile.DirectoryName!, NormalizePath(project.TargetPath));
+            project.PublishDir = Path.Combine(project.ProjectFile.DirectoryName!, NormalizePath(project.PublishDir));
 
             var targetFramework = projectInstance.GetPropertyValue("TargetFramework");
             project.TargetFramework = targetFramework;
diff --git a/src/Microsoft.Tye.Core/StandardOptions.cs b/src/Microsoft.Tye.Core/StandardOptions.cs
index b59a00b3..6d3ef878 100644
--- a/src/Microsoft.Tye.Core/StandardOptions.cs
+++ b/src/Microsoft.Tye.Core/StandardOptions.cs
@@ -182,7 +182,7 @@ namespace Microsoft.Tye
                     {
                         if (TryFindProjectFile(token, out var filePath, out var errorMessage))
                         {
-                            return new FileInfo(filePath);
+                            return new FileInfo(filePath!);
                         }
                         else
                         {
diff --git a/src/Microsoft.Tye.Extensions/Dapr/DaprExtension.cs b/src/Microsoft.Tye.Extensions/Dapr/DaprExtension.cs
index 2b8c6edf..d185e5f5 100644
--- a/src/Microsoft.Tye.Extensions/Dapr/DaprExtension.cs
+++ b/src/Microsoft.Tye.Extensions/Dapr/DaprExtension.cs
@@ -55,7 +55,7 @@ namespace Microsoft.Tye.Extensions.Dapr
                     // we'll assume the filename and config name are the same.
                     if (config.Data.TryGetValue("config", out var obj) && obj?.ToString() is string daprConfig)
                     {
-                        var configFile = Path.Combine(context.Application.Source.DirectoryName, "components", $"{daprConfig}.yaml");
+                        var configFile = Path.Combine(context.Application.Source.DirectoryName!, "components", $"{daprConfig}.yaml");
                         if (File.Exists(configFile))
                         {
                             proxy.Args += $" -config \"{configFile}\"";
diff --git a/src/Microsoft.Tye.Extensions/Microsoft.Tye.Extensions.csproj b/src/Microsoft.Tye.Extensions/Microsoft.Tye.Extensions.csproj
index 0ca4ab55..979268cd 100644
--- a/src/Microsoft.Tye.Extensions/Microsoft.Tye.Extensions.csproj
+++ b/src/Microsoft.Tye.Extensions/Microsoft.Tye.Extensions.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Microsoft.Tye.Hosting.Diagnostics/Logging/LoggerException.cs b/src/Microsoft.Tye.Hosting.Diagnostics/Logging/LoggerException.cs
index 31327104..07844261 100644
--- a/src/Microsoft.Tye.Hosting.Diagnostics/Logging/LoggerException.cs
+++ b/src/Microsoft.Tye.Hosting.Diagnostics/Logging/LoggerException.cs
@@ -29,18 +29,18 @@ namespace Microsoft.Tye.Hosting.Diagnostics.Logging
             info.AddValue("RemoteStackTraceString", StackTrace, typeof(string)); // Do not rename (binary serialization)
             info.AddValue("RemoteStackIndex", 0, typeof(int)); // Do not rename (binary serialization)
             info.AddValue("ExceptionMethod", null, typeof(string)); // Do not rename (binary serialization)
-            info.AddValue("HResult", int.Parse(_exceptionMessage.GetProperty("HResult").GetString())); // Do not rename (binary serialization)
+            info.AddValue("HResult", int.Parse(_exceptionMessage.GetProperty("HResult").GetString()!)); // Do not rename (binary serialization)
             info.AddValue("Source", Source, typeof(string)); // Do not rename (binary serialization
             info.AddValue("WatsonBuckets", null, typeof(byte[])); // Do not rename (binary serialization)
         }
 
-        public override string Message => _exceptionMessage.GetProperty("Message").GetString();
+        public override string Message => _exceptionMessage.GetProperty("Message").GetString()!;
 
-        public override string StackTrace => _exceptionMessage.GetProperty("VerboseMessage").GetString();
+        public override string StackTrace => _exceptionMessage.GetProperty("VerboseMessage").GetString()!;
 
         public override string ToString()
         {
-            return _exceptionMessage.GetProperty("VerboseMessage").GetString();
+            return _exceptionMessage.GetProperty("VerboseMessage").GetString()!;
         }
     }
 }
diff --git a/src/Microsoft.Tye.Hosting.Diagnostics/LoggingSink.cs b/src/Microsoft.Tye.Hosting.Diagnostics/LoggingSink.cs
index 01e0de22..5434224a 100644
--- a/src/Microsoft.Tye.Hosting.Diagnostics/LoggingSink.cs
+++ b/src/Microsoft.Tye.Hosting.Diagnostics/LoggingSink.cs
@@ -112,7 +112,7 @@ namespace Microsoft.Tye.Hosting.Diagnostics
                     if (message.TryGetProperty("{OriginalFormat}", out var formatElement))
                     {
                         var formatString = formatElement.GetString();
-                        var formatter = new LogValuesFormatter(formatString);
+                        var formatter = new LogValuesFormatter(formatString!);
                         var args = new object[formatter.ValueNames.Count];
                         for (var i = 0; i < args.Length; i++)
                         {
@@ -126,7 +126,7 @@ namespace Microsoft.Tye.Hosting.Diagnostics
                                 break;
                             }
 
-                            args[i] = argValue.GetString();
+                            args[i] = argValue.GetString()!;
                         }
 
                         logger.Log(logLevel, new EventId(eventId, eventName), exception, formatString, args);
diff --git a/src/Microsoft.Tye.Hosting.Diagnostics/Microsoft.Tye.Hosting.Diagnostics.csproj b/src/Microsoft.Tye.Hosting.Diagnostics/Microsoft.Tye.Hosting.Diagnostics.csproj
index 3b0db741..d0f0afb5 100644
--- a/src/Microsoft.Tye.Hosting.Diagnostics/Microsoft.Tye.Hosting.Diagnostics.csproj
+++ b/src/Microsoft.Tye.Hosting.Diagnostics/Microsoft.Tye.Hosting.Diagnostics.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <Description>Diagnostics collector and exporter for .NET Core applications.</Description>
     <AssemblyName>Microsoft.Tye.Hosting.Diagnostics</AssemblyName>
     <PackageId>Microsoft.Tye.Hosting.Diagnostics</PackageId>
diff --git a/src/Microsoft.Tye.Hosting/Microsoft.Tye.Hosting.csproj b/src/Microsoft.Tye.Hosting/Microsoft.Tye.Hosting.csproj
index 7b22cd00..97a6f467 100644
--- a/src/Microsoft.Tye.Hosting/Microsoft.Tye.Hosting.csproj
+++ b/src/Microsoft.Tye.Hosting/Microsoft.Tye.Hosting.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <Description>Orchestration host APIs.</Description>
     <AssemblyName>Microsoft.Tye.Hosting</AssemblyName>
     <PackageId>Microsoft.Tye.Hosting</PackageId>
diff --git a/src/Microsoft.Tye.Hosting/Model/Application.cs b/src/Microsoft.Tye.Hosting/Model/Application.cs
index ad8cf67b..7430a0c3 100644
--- a/src/Microsoft.Tye.Hosting/Model/Application.cs
+++ b/src/Microsoft.Tye.Hosting/Model/Application.cs
@@ -15,7 +15,7 @@ namespace Microsoft.Tye.Hosting.Model
         public Application(FileInfo source, Dictionary<string, Service> services)
         {
             Source = source.FullName;
-            ContextDirectory = source.DirectoryName;
+            ContextDirectory = source.DirectoryName!;
             Services = services;
         }
 
diff --git a/src/Microsoft.Tye.Hosting/PortAssigner.cs b/src/Microsoft.Tye.Hosting/PortAssigner.cs
index 2e188580..01692c3a 100644
--- a/src/Microsoft.Tye.Hosting/PortAssigner.cs
+++ b/src/Microsoft.Tye.Hosting/PortAssigner.cs
@@ -39,7 +39,7 @@ namespace Microsoft.Tye.Hosting
                     // reuse being enabled by default by the OS.
                     using var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                     socket.Bind(new IPEndPoint(IPAddress.Loopback, 0));
-                    return ((IPEndPoint)socket.LocalEndPoint).Port;
+                    return ((IPEndPoint)socket.LocalEndPoint!).Port;
                 }
 
                 foreach (var binding in service.Description.Bindings)
diff --git a/src/Microsoft.Tye.Hosting/ProcessRunner.cs b/src/Microsoft.Tye.Hosting/ProcessRunner.cs
index b3f73438..29465301 100644
--- a/src/Microsoft.Tye.Hosting/ProcessRunner.cs
+++ b/src/Microsoft.Tye.Hosting/ProcessRunner.cs
@@ -61,7 +61,7 @@ namespace Microsoft.Tye.Hosting
                 if (serviceDescription.RunInfo is ProjectRunInfo project)
                 {
                     path = project.RunCommand;
-                    workingDirectory = project.ProjectFile.Directory.FullName;
+                    workingDirectory = project.ProjectFile.Directory!.FullName;
                     args = project.Args == null ? project.RunArguments : project.RunArguments + " " + project.Args;
                     buildProperties = project.BuildProperties.Aggregate(string.Empty, (current, property) => current + $";{property.Key}={property.Value}").TrimStart(';');
 
@@ -211,7 +211,7 @@ namespace Microsoft.Tye.Hosting
 
                 application.PopulateEnvironment(service, (k, v) => environment[k] = v);
 
-                if (_options.DebugMode && (_options.DebugAllServices || _options.ServicesToDebug.Contains(serviceName, StringComparer.OrdinalIgnoreCase)))
+                if (_options.DebugMode && (_options.DebugAllServices || _options.ServicesToDebug!.Contains(serviceName, StringComparer.OrdinalIgnoreCase)))
                 {
                     environment["DOTNET_STARTUP_HOOKS"] = typeof(Hosting.Runtime.HostingRuntimeHelpers).Assembly.Location;
                 }
@@ -517,7 +517,7 @@ namespace Microsoft.Tye.Hosting
         private static string GetEntryPointFilePath()
         {
             using var process = Process.GetCurrentProcess();
-            return process.MainModule.FileName;
+            return process.MainModule!.FileName!;
         }
 
         private class ProcessInfo
diff --git a/src/Microsoft.Tye.Hosting/ReplicaRegistry.cs b/src/Microsoft.Tye.Hosting/ReplicaRegistry.cs
index 53efeef9..e31661c5 100644
--- a/src/Microsoft.Tye.Hosting/ReplicaRegistry.cs
+++ b/src/Microsoft.Tye.Hosting/ReplicaRegistry.cs
@@ -87,7 +87,7 @@ namespace Microsoft.Tye.Hosting
 
             return events.Where(e => !string.IsNullOrEmpty(e.Trim()))
                 .Select(e => JsonSerializer.Deserialize<IDictionary<string, string>>(e))
-                .ToList();
+                .ToList()!;
         }
 
         private object GetLockForStore(string storeName)
diff --git a/src/Microsoft.Tye.Hosting/TokenReplacement.cs b/src/Microsoft.Tye.Hosting/TokenReplacement.cs
index 81fdd72c..97c78864 100644
--- a/src/Microsoft.Tye.Hosting/TokenReplacement.cs
+++ b/src/Microsoft.Tye.Hosting/TokenReplacement.cs
@@ -79,12 +79,12 @@ namespace Microsoft.Tye.Hosting
             }
             else if (keys.Length == 3 && keys[0] == "service")
             {
-                binding = bindings.FirstOrDefault(b => b.Service == keys[1] && b.Name == null);
+                binding = bindings.FirstOrDefault(b => b.Service == keys[1] && b.Name == null)!;
                 return GetValueFromBinding(binding, keys[2]);
             }
             else if (keys.Length == 4 && keys[0] == "service")
             {
-                binding = bindings.FirstOrDefault(b => b.Service == keys[1] && b.Name == keys[2]);
+                binding = bindings.FirstOrDefault(b => b.Service == keys[1] && b.Name == keys[2])!;
                 return GetValueFromBinding(binding, keys[3]);
             }
 
diff --git a/src/tye-diag-agent/tye-diag-agent.csproj b/src/tye-diag-agent/tye-diag-agent.csproj
index 6278740f..53b67503 100644
--- a/src/tye-diag-agent/tye-diag-agent.csproj
+++ b/src/tye-diag-agent/tye-diag-agent.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Tye</RootNamespace>
   </PropertyGroup>
 
diff --git a/src/tye/ApplicationBuilderExtensions.cs b/src/tye/ApplicationBuilderExtensions.cs
index 7e9c529c..a8305f0f 100644
--- a/src/tye/ApplicationBuilderExtensions.cs
+++ b/src/tye/ApplicationBuilderExtensions.cs
@@ -64,7 +64,7 @@ namespace Microsoft.Tye
                         }
                         else
                         {
-                            dockerRunInfo.DockerFileContext = new FileInfo(dockerRunInfo.DockerFile.DirectoryName);
+                            dockerRunInfo.DockerFileContext = new FileInfo(dockerRunInfo.DockerFile.DirectoryName!);
                         }
                     }
 
diff --git a/src/tye/CommonArguments.cs b/src/tye/CommonArguments.cs
index 1a24d285..27e74a15 100644
--- a/src/tye/CommonArguments.cs
+++ b/src/tye/CommonArguments.cs
@@ -60,7 +60,7 @@ namespace Microsoft.Tye
             {
                 if (ConfigFileFinder.TryFindSupportedFile(token, out var filePath, out var errorMessage))
                 {
-                    return new FileInfo(filePath);
+                    return new FileInfo(filePath!);
                 }
                 else if (required)
                 {
diff --git a/src/tye/InitHost.cs b/src/tye/InitHost.cs
index 43634028..24e89a28 100644
--- a/src/tye/InitHost.cs
+++ b/src/tye/InitHost.cs
@@ -72,11 +72,11 @@ services:
                         service.Bindings = null!;
                         service.Configuration = null!;
                         service.Volumes = null!;
-                        service.Project = service.Project!.Substring(directory.FullName.Length).TrimStart('/');
+                        service.Project = service.Project!.Substring(directory!.FullName.Length).TrimStart('/');
                     }
 
                     // If the input file is a sln/project then place the config next to it
-                    outputFilePath = Path.Combine(directory.FullName, "tye.yaml");
+                    outputFilePath = Path.Combine(directory!.FullName, "tye.yaml");
                 }
                 else
                 {
@@ -99,7 +99,7 @@ services:
 
         private static void ThrowIfTyeFilePresent(FileInfo? path, string yml)
         {
-            var tyeYaml = Path.Combine(path!.DirectoryName, yml);
+            var tyeYaml = Path.Combine(path!.DirectoryName!, yml);
             if (File.Exists(tyeYaml))
             {
                 throw new CommandException($"File '{tyeYaml}' already exists. Use --force to override the {yml} file if desired.");
diff --git a/src/tye/tye.csproj b/src/tye/tye.csproj
index b1c5e541..27957d32 100644
--- a/src/tye/tye.csproj
+++ b/src/tye/tye.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Tye</RootNamespace>
     <AssemblyName>tye</AssemblyName>
     <PackageId>Microsoft.Tye</PackageId>
diff --git a/test/E2ETest/HealthCheckTests.cs b/test/E2ETest/HealthCheckTests.cs
index 288e48c6..3b70f539 100644
--- a/test/E2ETest/HealthCheckTests.cs
+++ b/test/E2ETest/HealthCheckTests.cs
@@ -254,7 +254,7 @@ namespace E2ETest
 
             // we assume that proxy will continue sending http request to the same replica
             var randomReplicaPortRes1 = await _client.GetAsync($"http://localhost:{host.Application.Services["health-proxy"].Description.Bindings.First().Port}/ports");
-            var randomReplicaPort1 = JsonSerializer.Deserialize<int[]>(await randomReplicaPortRes1.Content.ReadAsStringAsync())[0];
+            var randomReplicaPort1 = JsonSerializer.Deserialize<int[]>(await randomReplicaPortRes1.Content.ReadAsStringAsync())![0];
             var randomReplica1 = replicasToBecomeReady.First(r => r.Bindings.Any(b => b.Port == randomReplicaPort1));
 
             await DoOperationAndWaitForReplicasToChangeState(host, ReplicaState.Healthy, 1, new[] { randomReplica1.Name }.ToHashSet(), null, TimeSpan.Zero, async _ =>
@@ -263,7 +263,7 @@ namespace E2ETest
               });
 
             var randomReplicaPortRes2 = await _client.GetAsync($"http://localhost:{host.Application.Services["health-proxy"].Description.Bindings.First().Port}/ports");
-            var randomReplicaPort2 = JsonSerializer.Deserialize<int[]>(await randomReplicaPortRes2.Content.ReadAsStringAsync())[0];
+            var randomReplicaPort2 = JsonSerializer.Deserialize<int[]>(await randomReplicaPortRes2.Content.ReadAsStringAsync())![0];
             var randomReplica2 = replicasToBecomeReady.First(r => r.Bindings.Any(b => b.Port == randomReplicaPort2));
 
             Assert.NotEqual(randomReplicaPort1, randomReplicaPort2);
@@ -288,7 +288,7 @@ namespace E2ETest
               });
 
             var randomReplicaPortRes3 = await _client.GetAsync($"http://localhost:{host.Application.Services["health-proxy"].Description.Bindings.First().Port}/ports");
-            var randomReplicaPort3 = JsonSerializer.Deserialize<int[]>(await randomReplicaPortRes3.Content.ReadAsStringAsync())[0];
+            var randomReplicaPort3 = JsonSerializer.Deserialize<int[]>(await randomReplicaPortRes3.Content.ReadAsStringAsync())![0];
 
             Assert.Equal(randomReplicaPort3, randomReplicaPort2);
         }
@@ -369,14 +369,14 @@ namespace E2ETest
             Assert.True(res.IsSuccessStatusCode);
 
             var headers = JsonSerializer.Deserialize<Dictionary<string, string>>(await res.Content.ReadAsStringAsync());
-            Assert.Equal("value1", headers["name1"]);
+            Assert.Equal("value1", headers!["name1"]);
             Assert.Equal("value2", headers["name2"]);
 
             res = await _client.GetAsync($"http://localhost:{host.Application.Services["health-all"].Description.Bindings.First().Port}/readinessHeaders");
             Assert.True(res.IsSuccessStatusCode);
 
             headers = JsonSerializer.Deserialize<Dictionary<string, string>>(await res.Content.ReadAsStringAsync());
-            Assert.Equal("value3", headers["name3"]);
+            Assert.Equal("value3", headers!["name3"]);
             Assert.Equal("value4", headers["name4"]);
         }
 
@@ -404,7 +404,7 @@ namespace E2ETest
                 query.Add("readyDelay=" + readyDelay.Value);
             }
 
-            await _client.GetAsync($"http://localhost:{replica.Ports.First()}/set?" + string.Join("&", query));
+            await _client.GetAsync($"http://localhost:{replica.Ports!.First()}/set?" + string.Join("&", query));
         }
 
         private async Task<int> ProbeNumberOfUniqueReplicas(string url)
diff --git a/test/E2ETest/Microsoft.Tye.E2ETests.csproj b/test/E2ETest/Microsoft.Tye.E2ETests.csproj
index 1caa1af9..4e6cb53e 100644
--- a/test/E2ETest/Microsoft.Tye.E2ETests.csproj
+++ b/test/E2ETest/Microsoft.Tye.E2ETests.csproj
@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <AssemblyName>Microsoft.Tye.E2ETest</AssemblyName>
     <IsTestProject>true</IsTestProject>
     <IsUnitTestProject>true</IsUnitTestProject>
@@ -14,8 +14,8 @@
       The Microsoft.Build.Locator package takes care of dynamically loading these assemblies
       at runtime. We don't need/want to ship them, just to have them as references.
     -->
-    <PackageReference Include="Microsoft.Build" Version="16.3.0" ExcludeAssets="runtime" />
-    <PackageReference Include="Microsoft.Build.Framework" Version="16.3.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Microsoft.Build" Version="16.6.0" ExcludeAssets="runtime" />
+    <PackageReference Include="Microsoft.Build.Framework" Version="16.6.0" ExcludeAssets="runtime" />
     <PackageReference Include="Microsoft.Build.Locator" Version="1.2.6" />
   </ItemGroup>
 
diff --git a/test/E2ETest/TyeRunTests.cs b/test/E2ETest/TyeRunTests.cs
index 4e982389..fb346ac2 100644
--- a/test/E2ETest/TyeRunTests.cs
+++ b/test/E2ETest/TyeRunTests.cs
@@ -452,7 +452,7 @@ namespace E2ETest
 
                             Assert.NotNull(service);
 
-                            Assert.Equal(dockerNetwork, service.Replicas.FirstOrDefault().Value.DockerNetwork);
+                            Assert.Equal(dockerNetwork, service!.Replicas!.FirstOrDefault().Value.DockerNetwork);
                         }
                     });
             }
@@ -503,7 +503,7 @@ namespace E2ETest
 
                         Assert.NotNull(service);
 
-                        Assert.NotEqual(dockerNetwork, service.Replicas.FirstOrDefault().Value.DockerNetwork);
+                        Assert.NotEqual(dockerNetwork, service!.Replicas!.FirstOrDefault().Value.DockerNetwork);
                     }
                 });
         }
@@ -627,7 +627,7 @@ namespace E2ETest
                 var responseContent =
                     JsonSerializer.Deserialize<Dictionary<string, string>>(await response.Content.ReadAsStringAsync());
 
-                Assert.Equal("some content", responseContent["content"]);
+                Assert.Equal("some content", responseContent!["content"]);
                 Assert.Equal("?key1=value1&key2=value2", responseContent["query"]);
             });
         }
@@ -858,7 +858,7 @@ services:
         {
             var serviceResult = await client.GetStringAsync($"{uri}api/v1/services/{serviceName}");
             var service = JsonSerializer.Deserialize<V1Service>(serviceResult, _options);
-            var binding = service.Description!.Bindings.Where(b => b.Protocol == "http").Single();
+            var binding = service!.Description!.Bindings!.Where(b => b.Protocol == "http").Single();
             return $"{binding.Protocol ?? "http"}://localhost:{binding.Port}";
         }
 
diff --git a/test/Microsoft.Tye.Extensions.Configuration.Tests/Microsoft.Tye.Extensions.Configuration.Tests.csproj b/test/Microsoft.Tye.Extensions.Configuration.Tests/Microsoft.Tye.Extensions.Configuration.Tests.csproj
index dffc8b0d..16490ce8 100644
--- a/test/Microsoft.Tye.Extensions.Configuration.Tests/Microsoft.Tye.Extensions.Configuration.Tests.csproj
+++ b/test/Microsoft.Tye.Extensions.Configuration.Tests/Microsoft.Tye.Extensions.Configuration.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
 
diff --git a/test/Test.Infrastructure/Test.Infrastructure.csproj b/test/Test.Infrastructure/Test.Infrastructure.csproj
index d114d434..9a82f29a 100644
--- a/test/Test.Infrastructure/Test.Infrastructure.csproj
+++ b/test/Test.Infrastructure/Test.Infrastructure.csproj
@@ -1,16 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <TestRunnerName>XUnit</TestRunnerName>
     <Nullable>disable</Nullable>
+    <IsTestProject>false</IsTestProject>
   </PropertyGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\..\src\Microsoft.Tye.Hosting\Microsoft.Tye.Hosting.csproj" />
     <ProjectReference Include="..\..\src\Microsoft.Tye.Core\Microsoft.Tye.Core.csproj" />
     <ProjectReference Include="..\..\src\tye\tye.csproj" />
+
+    <PackageReference Include="xunit" Version="2.4.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/UnitTests/Microsoft.Tye.UnitTests.csproj b/test/UnitTests/Microsoft.Tye.UnitTests.csproj
index cda06b56..72487d8b 100644
--- a/test/UnitTests/Microsoft.Tye.UnitTests.csproj
+++ b/test/UnitTests/Microsoft.Tye.UnitTests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <AssemblyName>Microsoft.Tye.UnitTests</AssemblyName>
     <IsTestProject>true</IsTestProject>
     <IsUnitTestProject>true</IsUnitTestProject>