Correctly build the breadcrumb trail in the style sheets module (see #7132)
Restore the basic entities in the source editor (see #7170)
Take the allowed page types from the global array (see #7167)
Fix the grid offset for articles (see #7166)
Correctly recognize Opera Mobile in the `Environment` class (see #5869)
Correctly handle other MySQL character sets (see #7140)
Correctly check the permission to edit multiple files (see #7157)
Fix the SwiftMailer version number in the change log
Add `!important` to the ACE editor CSS fix (see #7103)