* Added BaseTemplateAfterPortlet hook to allow injecting html after portlets in skins.
* Support has been added for a JSON based localisation file format. The
installer has been updated to use it.
-* Add new hooks OldChangesListBegin and EnhancedChangesListBegin hooks to allow
- extensions a chance to batch process the result set prior to rendering.
=== Bug fixes in 1.23 ===
* (bug 41759) The "updated since last visit" markers (on history pages, recent