Issue #2291833 by andypost, kgoel | Crell: Standardize taxonomy term entity route names.
Issue #2297875 by herom, bfr: Replace calls to form_set_error() to $form_state->setErrorByName().
Issue #2271051 by Wim Leers: Update CKEditor library to 4.4.4.
Issue #2315067 by Sam152: Fixed Dialog titlebar overlaps close button for long titles.
Issue #2318817 by alimac, martin107: Remove method setId() from core/lib/Drupal/Core/Language/LanguageInterface.
Issue #1976158 by Berdir | msonnabaum: Rename entity storage/list/form/render "controllers" to handlers.
Issue #2318297 by fietserwin: Rotate effect: do not use html entity for 'degree' but its unicode character.
Issue #2212427 by Mixologic, YesCT, Sutharsan, mgriego, icseh., visabhishek, znerol: Use interface instead of class name for language manager where appropriate.