Merge branch '3.1' into 3.x

Author: cowtowncoder

release-notes/VERSION

@@ -105,6 +105,10 @@ Version: 3.x (for earlier see VERSION-2.x)
  (reported by @ Adrien-dev25 )
  (fix by @cowtowncoder, w/ Claude code)
 
+3.1.1 (27-Mar-2026)
+
+No changes since 3.1.0
+
 3.1.0 (23-Feb-2026)
 
 #780: Add `isEnabled()` methods for format-specific features to mappers