3.2.RC1

New

• Added the "getAttributesFromDca" hook (see #6340).
• Add the "maintenance mode" and automatically enable it when an extension is
  installed, upgraded or removed (see #4561).
• Added the "isVisibleElement" hook to determine whether an element is visible in
  the front end (see #6311).

Improved

• Only show the news/event source options if the user is allowed to access the
  fields required to configure those options (see #5498).
• Correctly display nested wrapper elements (see #5976).
• Support the "autocomplete", "autocorrect", "autocapitalize" and "spellcheck"
  attributes in the Widget class, so they can be set in the DCA (see #6316).
• Model::__callStatic() now also supports "countBy" (see #5984).
• Simplified the "iflng" and "ifnlng" insert tags (see #6291).

Changed

• Move the "create IDE compat file" logic to a command line script (see #6270).

Updated

• Updated mediaelement.js to version 2.13.1 (see #6318).
• Updated Colorbox to version 1.4.31 (see #6309).

Fixed

• Add the "onclick" event to the "select all" checkbox (see #6314).
• Correctly handle "toggle visibility" and drag and drop requests via Ajax.
• Handle tables without keys in Database::listFields() (see #6310).
• Allow FAQ categories without a redirect page (see #6226).
• Create a new version of a record if a sorting field changes (see #6285).
• Show the teaser text of redirect events in the event list (see #6315).
• Added some validation logic to the Result::data_seek() methods (see #6319).
• Correctly handle slashes and empty strings in the TinyMCE link tab.
• Order the template list alphabetically (see #6276).
• Create new UUIDs when duplicating files or folders (see #6301).
• Correctly handle booleans, null and empty strings in the Validator (see #6287).
• Correctly assign the user's home directory (see #6297).