add 0.5.11

CHANGELOG.md

@@ -11,6 +11,15 @@ Sections:
 
 ---
 
+## [0.5.11] - 2026-01-18
+
+### Added
+- Automatic backup of existing custom components before install or update.
+- Backup retention with a configurable limit per domain.
+
+### Safety
+- Automatic rollback is triggered if an install or update fails after a backup was created.
+
 ## [0.5.10] - 2026-01-17
 
 ### Added