Issue #1980744 by Wim Leers: Turn edit/metadata into a JsonResponse again, to allow contrib to implement client-side caching of metadata.
Issue #1984628 by Wim Leers: documentation missing for hook_edit_editor_alter().
Issue #1988328 by nod_, jessebeach: Contextual link JavaScript error when viewing a page such as /admin/* that doesn't contain any contextual links.
Issue #1994192 by tsi, mjohnq3: Bartik's menu tabs in RTL.
Issue #1920888 by alexh58, YesCT, pmelab: Fixed Follow-up: Add some JS to make the dependent groups always checked (and readonly) when the master group is checked translatable.
Issue #1935908 by ParisLiakos, msonnabaum: Convert Graph tests to phpunit.
Issue #1944910 by tim.plunkett, barraponto, jibran: Convert ban.module's page callbacks to Controllers.
Issue #2002894 by crowdcg, jibran: Rename Views method get_argument() to getArgument().
Issue #2002488 by baldwinlouie, jibran: Rename Views method exception_title() to exceptionTitle().
Issue #2003252 by ThomasVI, jibran: Rename Views method show_value_form() to showValueForm().
Issue #1960888 by tim.plunkett, dawehner, jibran, damiankloip: Fixed Default archive view uses wrong argument plugin.
Revert "Issue #1960888 by tim.plunkett, dawehner, jibran, damiankloip: Fixed Default archive view uses wrong argument plugin."

This reverts commit fd7e482b11a0ce2aa130dc75b00cb363c3f5ece8.
Issue #2001310 by chx, effulgentsia, Berdir, YesCT: Disallow firing hooks during update.
Issue #1888424 by katbailey, steveoliver, twistor, beejeebus, effulgentsia: Change notice: Make Drupal's URL generation logic available to HttpKernel, and minimize code repetition/divergence.
Issue #1984766 by sdboyer, Niklas Fiekas, msonnabaum: Fixed Start relying on Request/Response objects for cache handling.
Issue #1969662 by swentel, amateescu, chx | yched: Provide new _update_8000_*() CRUD helpers for Field and Instance definitions.
Issue #1818570 by Berdir, effulgentsia, das-peter, andypost: Convert users to the new Entity Field API.
Issue #1801268 by falcon03, mgifford, Risse, heddn, larowlan: Change link field 'title' field to 'link text'.
Issue #2006598 by nick_schuch: Fixed Tour toggle not floating right.
Issue #1684788 followup by nod_: JSHint ajax.js.