diff --git a/RELEASENOTES-MKL.md b/RELEASENOTES-MKL.md
index 8c443263..0aa0d3e9 100644
--- a/RELEASENOTES-MKL.md
+++ b/RELEASENOTES-MKL.md
@@ -1,3 +1,6 @@
+### 2.6.0-beta3 - 2021-12-19
+* Experimental build with runtime folders for sdk projects
+
 ### 2.6.0-beta2 - 2021-12-09
 * r15 with Intel oneAPI 2021.4, preview for Numerics v5 with MathNet.Numerics.Pro
 * Note that MathNet.Numerics.Providers.MKL.dll is required for this to work with Numerics v5