* (bug 13556) Don't show a blank form if no image is attached in Special:Upload
* (bug 13576) maintenance/rebuildrecentchanges.php fails
* (bug 13441) Allow Special:Recentchanges to show bots only
+* (bug 13431) Show true message source in Special:Allmessages&ot=php / xml
=== API changes in 1.13 ===
* (bug 13541) Added siprop=specialpagealiases to meta=siteinfo
* Added fallback8bitEncoding field to meta=siteinfo&siprop=general output
* (bug 13544) Added prop=revid to action=parse
+* (bug 13603) Added siprop=usergroups to meta=siteinfo
+* Cleaned up redirect resolution
+* Added possibility to obtain all external links through list=exturlusage
+* (bug 13606) Added archivename to iiprop
=== Languages updated in 1.13 ===