diff --git a/support/Release notes.txt b/support/Release notes.txt
index 0cb97325..fb75666b 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -2,6 +2,8 @@
 20.35.9
 #657 -Wpedantic-failure. Removed superfluous semicolons
 #653 CMake - Don't warn on tag missing when subproject
+Removed Ubuntu 18.04 from Github Actions
+Added Ubuntu 22.04 to Github Actions
 
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 20.35.8