Issue #221712 by Damien Tournoud, Gábor Hojtsy, iliphil, Bodo Maass, idflood,...
Issue #221712 by Damien Tournoud, Gábor Hojtsy, iliphil, Bodo Maass, idflood, loganfsmyth: Fixed locale_language_from_browser() doesn't parse language tags correctly, has a broken logic.
2 merge requests!7452Issue #1797438. HTML5 validation is preventing form submit and not fully...,!789Issue #3210310: Adjust Database API to remove deprecated Drupal 9 code in Drupal 10