release 2.20.1

Author: bertt

README.md

@@ -582,7 +582,7 @@ Press F5 to start debugging.
 
 ## History
 
-2025-11-08: release 2.20.0 improve keep_projection parameter for implicit tiling
+2025-11-08: release 2.20.0, 2.20.1 improve keep_projection parameter for implicit tiling
 
 2025-04-16: release 2.19.0 add keep_projection parameter