Preserve protocol relative URLs when minifying the HTML markup (see #5664)
Correctly reload or redirect upon Ajax requests (see #5647)
Adjust the path of the error template to the new folder structure
Hide the back link and "save and back" buttons in the modal dialog
Correctly close the tags in `String::substrHtml()`
Do not use `count()` in a `for` loop condition (see #5681)
Replace existing `file` parameters in the download elements (see #5683)
Convert the page language to a locale when looking for meta data (see #5678)
Make sure the jQuery related database fields exist when the version 3.1 update is executed (see 5689)
Correctly update the edit links in the module wizard (see #5687)
Do not run the database updates in a fresh installation (see #5694)
Register the CSV import in the news and calendar modules (see #5701)
Correctly auto-generate folder URL aliases (see #5697)
Add "BB10" to the list of known operating systems (see #5679)
Check wether `$objPage` is a model in `PageTree::generate()` (see #5702)
Improve the memory footprint of the search index rebuild (see #5681)
Detect the Silk user agent of the Kindle Fire (see #5679)
Check Silk before Safari
Do not include a version number when linking to the Contao manual (see #5698)
Adjust the Piwik tracking code templates