Issue #2508231 by timmillwood, amateescu, hussainweb, catch, dawehner, David_Rothstein, Mixologic, effulgentsia: Raise minimum required version of PHP to 5.5.9

Issue #2513692 by pameeela, naveenvalecha, andypost: Remove tim-e from Maintainers.txt for contact module. Add jibran and andypost

Issue #2354889 by larowlan, dawehner, lauriii, Berdir, catch, martin107, pfrenssen, EclipseGc, Fabianx, Wim Leers, dsnopek, jibran, tim.plunkett, andypost: Make block context faster by removing onBlock event and replace it with loading from a ContextManager

Issue #2512866 by lauriii, Berdir, Wim Leers, Fabianx, effulgentsia, catch, dawehner: CacheContextsManager::optimizeTokens() optimizes ['user', 'user.permissions'] to ['user'] without adding cache tags to invalidate that when the user's roles are modified

Issue #2528292 by Fabianx, dawehner: Decouple Error testing from relying on a cached on disk-container that is created by a different Kernel

Issue #2477413 by daffie, Crell, bzrudi71, stefan.r, catch, mradcliffe, chx: Increase minimum version requirement for Postgres to 9.1.2

Issue #2527816 by jhedstrom, pfrenssen, chx, catch: Logic error in SqlContentEntityStorage::countFieldData() attempts to drop `name` column

Issue #2526458 by cilefen, googletorp, alexpott: Test XSS filtering of slogan in SystemBrandingBlock

Issue #2527406 by Gábor Hojtsy, Berdir: CommentForm::init() and MessageForm::init() are useless/broken

Issue #2525870 by pwolanin, willzyx, Fabianx: Regression: machine name inputs no longer work properly after #2508735

Issue #2525870 by pwolanin, willzyx, Fabianx: Regression: machine name inputs no longer work properly after #2508735

Issue #2527606 by dawehner, plach, catch, mpdonadio, Wim Leers, xjm, Fabianx: Uncaught PHP Exception LogicException when editing Views

Revert "Issue #2527606 by dawehner, plach, mpdonadio, xjm, Wim Leers, Fabianx: Uncaught PHP Exception LogicException when editing Views"

This reverts commit c78d806e.

Issue #2493665 by Fabianx, dawehner, msonnabaum, catch: Add centralized container invalidation method

Issue #2527606 by dawehner, plach, mpdonadio, xjm, Wim Leers, Fabianx: Uncaught PHP Exception LogicException when editing Views

Issue #2512718 by Berdir, pfrenssen, Wim Leers, Fabianx, dawehner, catch, effulgentsia, plach, Gábor Hojtsy: EntityManager::getTranslationFromContext() should add the content language cache context to the entity

Issue #2428861 by tbradbury, Nitesh Sethia, neetu morwani, deepakaryan1988, Sagar Ramgade, yogen.prasad, Daniel_Rose, Cottser, jhodgdon, Sutharsan, leeotzu: user.html.twig documentation refers to a nonexistent 'account' variable

Issue #2491259 by Chernous_dn, rudraram, jhodgdon, LewisNyman, mortendk: move search.admin.css into seven

Issue #2527076 by daffie: Make the class variables protected for Drupal\Core\Datetime\Entity\DateFormat

Issue #2516866 by willzyx: Faulty dependency to RedirectDestination in Drupal\menu_ui\Plugin\Menu\LocalAction\LocalActionDefault

Issue #2513612 by davidhernandez, ivanstegic, Bojhan, eliza411, LewisNyman, lunk_rat, nickrosencrans, stpaultim, webchick: Make the autocomplete form option text for an entity reference not be all caps

Issue #2512210 by trgreen17, jhodgdon, liberatr: SimpleTest - WebTestBase method creates binary-text files when the intention was to create text files, and text file creation is broken

Issue #2516802 by Dave Reid: FilterProcessResult->merge() results in PHP warning: Missing argument 1 for FilterProcessResult::__construct()

Issue #1835016 by googletorp, nod_, KarenS, Sharique, Nitesh Sethia, mpdonadio: Polyfill date input type

Issue #2453175 by tim.plunkett, plach, rteijeiro, effulgentsia, eshta, dawehner, fago, Berdir, alexpott: Remove EntityFormInterface::validate() and stop using button-level validation by default in entity forms