A module is missing in standard distribution which make diff UI not working in both history and Extension Manager. It is fixed in 4.1.2.
We've found an important issue in this release with our automatic data migration when upgrading from a version earlier than 4.0. Specifically the migration may fail when migrating wikis having stats, see XWIKI-7976 and when migrating DBs that was migrated from MySQL MyISAM previously, see XWIKI-7985. In addition we've also realized that the migration process can be slow on large XWiki databases and we have speed up the process. All these issue are fixed in release 4.1.3.
This release fixes a serious issue preventing certain extensions from being installed.
New and Noteworthy (since XWiki Enterprise 4.1)
Known issues
Backward Compatibility and Migration Notes
General Notes
You may also want to import the default wiki XAR in order to benefit from all the improvements listed above.
Always make sure you compare your xwiki.cfg and xwiki.properties files with the newest version since some configuration parameters were added. Note that you should add xwiki.store.migration=1 so that XWiki will attempt to automatically migrate your current database to the new schema. Make sure you backup your Database before doing anything.
Issues specific to XWiki Enterprise 4.1.1
Nothing specific.
API Breakages
No breakage.
