Release notes

Author: auduchinok

docs/release-notes/.FSharp.Compiler.Service/11.0.0.md

@@ -9,6 +9,8 @@
 
 ### Added
 
+* Type checker: recover on adding constraints ([#19034](https://github.com/dotnet/fsharp/pull/19034))
+
 ### Changed
 
 * Parallel compilation stabilised and enabled by default ([PR #18998](https://github.com/dotnet/fsharp/pull/18998))