Update CHANGELOG.md

Author: cte

CHANGELOG.md

@@ -1,10 +1,14 @@
 # Roo Code Changelog
 
-## 3.19.6
-
-### Patch Changes
-
-- v3.19.6
+## [3.19.6] - 2025-06-09
+
+- Replace explicit caching with implicit caching to reduce latency for Gemini models
+- Clarify that the default concurrent file read limit is 15 files (thanks @olearycrew!)
+- Fix copy button logic (thanks @samhvw8!)
+- Fade buttons on history preview if no interaction in progress (thanks @sachasayan!)
+- Allow MCP server refreshing, fix state changes in MCP server management UI view (thanks @taylorwilsdon!)
+- Remove unnecessary npx usage in some npm scripts (thanks @user202729!)
+- Bug fix for trailing slash error when using LiteLLM provider (thanks @kcwhite!)
 
 ## [3.19.5] - 2025-06-05