Changelog for the release of version 2.1.5

Author: jrfnl

README.md

@@ -87,6 +87,13 @@ All code within the PHPCompatibility organisation is released under the GNU Less
 
 ## Changelog
 
+### 2.1.5 - 2025-10-18
+
+This is a maintenance release.
+
+* The ruleset now includes schema tags.
+* General housekeeping and maintenance.
+
 ### 2.1.4 - 2025-01-16
 
 This is a maintenance release.