Correctly load the language files if the "label" insert tag is used (see #7217)
Correctly handle the `rem` unit when importing style sheets (see #7220)
Avoid subqueries when purging the search index (see #7201)
Handle underscores in the Google+ vanity name (see #7241)
Correctly validate the page number of the versions menu (see #7235)
Do not reload after storing `CURRENT_ID` in the session (see #7240)
Reset `$blnPreventSaving` when a model is cloned (see #7243)
Fix some coding style issues
Correctly validate the unit selection in the relevant widgets (see #7246)
Correctly validate the unit selection in the relevant widgets (see #7246)
Do not add image margins in the back end preview (see #7245)