diff --git a/src/Avalonia.Controls.DataGrid/ApiCompatBaseline.txt b/src/Avalonia.Controls.DataGrid/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Controls.DataGrid/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.DesignerSupport/ApiCompatBaseline.txt b/src/Avalonia.DesignerSupport/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.DesignerSupport/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Desktop/ApiCompatBaseline.txt b/src/Avalonia.Desktop/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Desktop/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.DesktopRuntime/ApiCompatBaseline.txt b/src/Avalonia.DesktopRuntime/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.DesktopRuntime/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Diagnostics/ApiCompatBaseline.txt b/src/Avalonia.Diagnostics/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Diagnostics/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Dialogs/ApiCompatBaseline.txt b/src/Avalonia.Dialogs/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Dialogs/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Interactivity/ApiCompatBaseline.txt b/src/Avalonia.Interactivity/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Interactivity/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Layout/ApiCompatBaseline.txt b/src/Avalonia.Layout/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Layout/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Themes.Default/ApiCompatBaseline.txt b/src/Avalonia.Themes.Default/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Themes.Default/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Themes.Fluent/ApiCompatBaseline.txt b/src/Avalonia.Themes.Fluent/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Avalonia.Themes.Fluent/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Avalonia.Visuals/ApiCompatBaseline.txt b/src/Avalonia.Visuals/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..f51f26974e
--- /dev/null
+++ b/src/Avalonia.Visuals/ApiCompatBaseline.txt
@@ -0,0 +1,6 @@
+Compat issues with assembly Avalonia.Visuals:
+InterfacesShouldHaveSameMembers : Interface member 'public System.Double Avalonia.Platform.IGeometryImpl.ContourLength' is present in the implementation but not in the contract.
+InterfacesShouldHaveSameMembers : Interface member 'public System.Double Avalonia.Platform.IGeometryImpl.ContourLength.get()' is present in the implementation but not in the contract.
+InterfacesShouldHaveSameMembers : Interface member 'public System.Boolean Avalonia.Platform.IGeometryImpl.TryGetPointAndTangentAtDistance(System.Double, Avalonia.Point, Avalonia.Point)' is present in the implementation but not in the contract.
+InterfacesShouldHaveSameMembers : Interface member 'public System.Boolean Avalonia.Platform.IGeometryImpl.TryGetPointAtDistance(System.Double, Avalonia.Point)' is present in the implementation but not in the contract.
+Total Issues: 4
diff --git a/src/Markup/Avalonia.Markup.Xaml/ApiCompatBaseline.txt b/src/Markup/Avalonia.Markup.Xaml/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Markup/Avalonia.Markup.Xaml/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0
diff --git a/src/Markup/Avalonia.Markup/ApiCompatBaseline.txt b/src/Markup/Avalonia.Markup/ApiCompatBaseline.txt
new file mode 100644
index 0000000000..fcc74cf864
--- /dev/null
+++ b/src/Markup/Avalonia.Markup/ApiCompatBaseline.txt
@@ -0,0 +1 @@
+Total Issues: 0