Issue #2745953 by dawehner, tim.plunkett, Wim Leers: AjaxBasePageNegotiator should not require _theme: ajax_base_page to be specified

Issue #2724813 by alexpott, dawehner, jibran, catch: ToolbarIntegrationTest fails randomly on postgres

Issue #2464077 by webflo, s_leu, dawehner, Lendude: Menu link overrides are lost after cache rebuild

Issue #1377740 by jbrown, bvanmeurs, catch, anrikun, Jorrit, rpayanm, mvc, mikeytown2, chx: file_unmanaged_move() should issue rename() where possible instead of copy() & unlink()

Issue #2225271 by penyaskito, quietone, svendecabooter, benjy, vasi: Migrate content type language settings from Drupal 6 & 7

Issue #2662844 by penyaskito, dawehner, catch: cache.backend.chainedfast misbehaves in some situations

Issue #2747269 by chishah92, talhaparacha: Incorrect parameter documentation for FormBuilder::submitForm

Issue #2650812 by Wim Leers, Fabianx, Gábor Hojtsy, chx, dawehner, alexpott: Container::has() doesn't work for service aliases (consequently, decorating services doesn't work)

Issue #2464053 by marcoscano, Fabianx: Remove @todo to Improve YamlFileLoader so that we can cache built service definition objects and not just the raw data

Issue #2751537 by chx: Race condition in \Drupal\Core\Database\Driver\pgsql\Install\Tasks breaks the testbot

Issue #2308745 by Alumei, dawehner, Wim Leers, larowlan, Arla, alexpott, g.oechsler, R.Muilwijk, Berdir, catch, klausi, clemens.tolboom, MattA, Crell: Remove rest.settings.yml, use rest_resource config entities

Issue #2747723 by mayurjadhav, pashupathi nath gajawada, ccjjmartin: Too many closing parentheses in checkboxes example

Issue #2735199 by klausi, naveenvalecha, dawehner, jhodgdon: Convert web tests to browser tests for help module

Issue #2462653 by chx, alexpott, daffie, neclimdul: Connection::getDriverClass doesn't support non-core drivers

Issue #2749819 by Fabianx, dawehner: OptimizedPhpArrayDumper does not resolve references via aliases correctly

Issue #2633170 by nesta_, Anishnirmal, aneek, joelpittet, amit.drupal, malavya, AlviMurtaza, heykarthikwithu, lluvigne, dawehner: Drupal 8 Install Page: Page title is not complete

Issue #2744379 by juampynr: Fix typos in documentation of \Drupal\dynamic_page_cache\EventSubscriber\DynamicPageCacheSubscriber

Issue #2674508 by Mile23, tim.plunkett: Improve docs for how to properly add container injection into a class that extends FormBase

Issue #2724823 by tedbow, dawehner, Wim Leers, clemens.tolboom: EntityResource: read-only (GET) support for configuration entities