* Issue #3105633 by ieguskiza: Page cache is not invalidated correctly
* Use drupol/drupal-conventions for code style.
* Issue #3054850 by zuuperman: Wrong order in the negotation methods
* Issue #3025022 by chipway: Update Dependencies to new Format in .info.yml
Issue #2118689 by stefan.r: Expose raw URLs as well as links
Issue #2119463 by stefan.r: Global redirect should be disabled on language selection page
Issue #2119439 by dolu, stefan.r: Language selection page not appearing on frontpage
Issue #2148107: Language selection page also running on update.php, install.php
Issue #2152877: Language selection page also running on uncached images