Issue #2545958 by pjonckiere, jhodgdon, matslats: Module/profile use of config/optional is apparently not documented

Issue #2557411 by joelpittet: Remove obsolete reference to SafeMarkup::set() in LinkGeneratorTest documentation

Issue #2558179 by jhedstrom, dawehner, catch: Database dump script produces a dump with syntax errors in it

Issue #2443457 by Wim Leers, dawehner, Berdir, giancarlosotelo, Jaesin: Views block displayed when no results returned

Issue #2548511 by David_Rothstein: Write tests for the Update Manager downloading and applying updates for a module

Issue #2559309 by Berdir, jhedstrom: Logic error in SqlContentEntityStorage::countFieldData() drops dedicated field tables (again)

Issue #2555183 by jhedstrom, Gábor Hojtsy, mikeryan, stefan.r, xjm: Fix the filled update tests, they are broken

Issue #2522012 by phenaproxima, mikeryan, chx, benjy: Remove broken idlist handling, replace with more robust exception handling

Issue #2555665 by jhedstrom, Gábor Hojtsy, stefan.r, plach: When index is added for content_translation_uid, the corresponding stored schema definition is not updated

Issue #2554585 by Wim Leers, effulgentsia, moshe weitzman: Tracker responses are missing a cache tag and a cache context

Issue #2503999 by neclimdul, mikeryan, Berdir, catch, andypost: Large volume entity migrations run out of memory

Issue #2510160 by lostkangaroo, neclimdul, phenaproxima: d6 Imagecache -> d8 Image module migration should be included in core

Issue #2414651 by phenaproxima, quietone, miguelc303, mikeryan, benjy: Migration Files for Drupal 7 Users

Issue #2557893 by sdstyles, cilefen, ianthomas_uk, luklambrechts, stefan.r: Mark SafeMarkup::setMultiple as internal

Issue #2557871 by alexpott: Remove all usages SafeMarkup::checkPlain() from template preprocess functions and attributes

Issue #2550981 by alexpott, stefan.r, davidhernandez, joelpittet, Wim Leers, xjm, josephdpurcell, akalata, dawehner: Remove SafeMarkup::set in FormErrorHandler::displayErrorMessages()

Issue #2554849 by bojanz, hussainweb, webflo: phpunit testing crashes if a root vendor directory is used

Issue #2556617 by claudiu.cristea, dawehner, geertvd, Wim Leers, tim.plunkett: [regression] Disabled format still filters and displays the value

Issue #2551511 by alexpott, stefan.r, RavindraSingh, pjonckiere, JeroenT, Mariano: Remove SafeMarkup::set() from AllowedTagsXssTrait

Issue #2542748 by plach, effulgentsia, jhedstrom, Gábor Hojtsy, alexpott, mpdonadio, catch, dawehner: Automatic entity updates can fail when there is existing content, leaving the site's schema in an unpredictable state

Issue #2506533 by Jaesin, minnur, neclimdul, sdstyles, dawehner, Crell: Remove ContentNegotiation and embed functionality in the middleware

Issue #2554219 by nod_, larowlan, tim.plunkett, regilero, droplet, japerry, samuel.mortenson, Pere Orga, effulgentsia, benjy, Gábor Hojtsy, greggles, Wim Leers, David_Rothstein, pwolanin, neclimdul, EclipseGc, znerol: Port Cross-site Scripting - Ajax system fixes from SA-CORE-2015-003 to Drupal 8

Issue #2555973 by claudiu.cristea, Mark LaCroix, stefan.r, pjonckiere, dawehner: Fatal error when editing content after disabling format with editor