* (bug 39635) PostgreSQL LOCK IN SHARE MODE option is a syntax error.
* (bug 36329) Accesskey tooltips for Firefox 14 on Mac should use "ctrl-option-" prefix.
* (bug 32552) Drop unused database field cat_hidden from table category.
+* (bug 24502) Do not allow multiple language links to the same language.
* (bug 40214) Category pages no longer use deprecated "width" HTML attribute.
* (bug 39941) Add missing stylesheets to the installer pages
* In HTML5 mode, allow new input element types values (such as color, range..)