Issue #2353679 by quietone, densolis, phenaproxima, ultimike: D6->D8 Migration missing variable: date_default_timezone

Issue #2557253 by phenaproxima, neclimdul: MigrateFullDrupalTestBase test discovery gobbles all the memory

Issue #2490388 by hussainweb, Ankit Agrawal, joelpittet, dawehner: InfoParserUnitTest web test classes mislabeled as unit tests

Issue #2120813 by pjonckiere, mpdonadio, ursula, borisson_, jsbalsera: Allow several date formats with identical date format strings

Issue #939462 by lauriii, Antti J. Salminen, NROTC_Webmaster, mbrett5062, tim.plunkett, tostinni, rteijeiro, dvessel, cilefen, barraponto, theapi, joelpittet, Xano, tuutti, drzraf, Fabianx, markcarver, xjm, catch, Cottser, sun, jenlampton, effulgentsia, davidhernandez, kscheirer, akalata, andypost, hass, rooby, jhodgdon, fubhy, becw, MXT, mlncn, lemunet, chriscalip, mike stewart, PavanL, kevinquillen, gleroux02: Specific preprocess functions for theme hook suggestions are not invoked

Issue #2497243 by Fabianx, znerol, fgm, Wim Leers, darol100, jhedstrom, hussainweb, pfrenssen, neclimdul, jibran, Nitesh Sethia, dawehner, chx, catch, benjy, Aki Tendo: Replace Symfony container with a Drupal one, stored in cache

Issue #2349819 by amateescu, swentel, Leksat, larowlan, dawehner, Gábor Hojtsy, mpdonadio, benjy, jmuzz, yched, jibran, marthinal, dmsmidt: String field type doesn't consider empty string as empty value

Issue #2552013 by Wim Leers: Follow-up for #2481453: ensure the 'url.query_args': MainContentViewSubscriber::WRAPPER_FORMAT cache context is set

Issue #2554229 by stefan.r, csabot3, Crell, pwolanin, YesCT, ircmaxell, greggles, larowlan, webchick: Port SQL Injection - Database API fixes from SA-CORE-2015-003 to Drupal 8

Issue #2550965 by joelpittet, kgoel, stefan.r, josephdpurcell, akalata: Remove SafeMarkup::set() in ValidationTest::assertErrorMessages()

Issue #2501319 by joelpittet, cwells, stefan.r, YesCT, nlisgo, Cottser, cmanalansan, dawehner, xjm, alexpott, josephdpurcell: Remove SafeMarkup::set() in Error::renderExceptionSafe() and _drupal_log_error() and improve backtrace formatting consistency in _drupal_log_error(), Error::renderExceptionSafe(), and DefaultExceptionSubscriber::onHtml()

Issue #2551341 by stefan.r: Update test database dump should be based on beta 12 and contain content

Issue #2547851 by alexpott, joelpittet, dawehner, stefan.r, xjm: SafeMarkup::format() should require arguments without them it is just SafeMarkup::set() in disguise

Issue #2550467 and #2120113 by alexpott, manningpete, akalata, nlisgo, nod_, harjotsingh: Remove #value_prefix and #value_suffix from HtmlTag

Issue #1713332 by amateescu, Xen, droplet, bzrudi71, znerol, czigor, pp, wulff, Damien Tournoud: The SQLite database driver fails to drop simpletest tables

Issue #2551579 by jibran, geertvd: Don't access frontpage before running updates in UpdatePathTestBaseTest::testDatabaseLoaded()

Issue #2544932 by dawehner, Fabianx, Wim Leers, Gábor Hojtsy, alexpott, catch, chx, msonnabaum: Twig should not rely on loading php from shared file system

Issue #2304461 by dawehner, neclimdul, naveenvalecha, jibran, tim.plunkett, phenaproxima, Xano, hussainweb, sun, hitesh-jain, amateescu, alexpott, daffie, Mile23, Wim Leers, larowlan: KernelTestBaseTNG™

Issue #2550823 by phenaproxima, neclimdul: Migrate Drupal integration tests should load all dump files

Issue #2228217 by pwolanin, neclimdul, lauriii, ecrown, josephdpurcell, Fabianx, dawehner, klausi: Further optimize RouteProvider and add web test for large number of path parts

Issue #2346857 by andypost, claudiu.cristea, amateescu, m1r1k, Mile23, rpayanm, epari.siva, Berdir, yched: Set default property bundle_entity_type in EntityType to NULL

Issue #2483183 by lauriii, martin107, Wim Leers, tim.plunkett, moshe weitzman, bfr, Fabianx, dawehner: Make breadcrumb block cacheable

Issue #2501931 by alexpott, alimac, cmanalansan, davidhernandez, scotself, cilefen, RavindraSingh, peezy, YesCT, pwolanin: Remove SafeMarkup::set in twig_render_template() and ThemeManager and FieldPluginBase:advancedRender

Revert "Issue #2501931 by alexpott, alimac, cmanalansan, davidhernandez, scotself, cilefen, RavindraSingh, peezy, YesCT, pwolanin: Remove SafeMarkup::set in twig_render_template() and ThemeManager and FieldPluginBase:advancedRender"

This reverts commit 9ccb44e2.

Issue #2501931 by alexpott, alimac, cmanalansan, davidhernandez, scotself, cilefen, RavindraSingh, peezy, YesCT, pwolanin: Remove SafeMarkup::set in twig_render_template() and ThemeManager and FieldPluginBase:advancedRender

Issue #2467759 by Mile23, andypost, Wim Leers, Berdir, Fabianx, Crell: Refactor drupal_process_attached() so it doesn't depend on drupal_add_http_header()

Issue #2550407 by Berdir: Strict config schema breaks update tests, switch to testing the configuration at the end instead

Issue #2547127 by dawehner, Wim Leers, legolasbo, davidhernandez, webchick: [regression] Empty messages container appearing when a Notice occurs

Issue #2501835 by kgoel, crowdcg, stefan.r, alexpott, joelpittet, Cottser, akalata, xjm, davidhernandez, YesCT: Remove SafeMarkup::set in Drupal\Core\Database\Install\Tasks::runTasks() and ensure multiple messages are printed

Issue #2546993 by mikeryan, phenaproxima: Move last stragglers of module-specific migrations into the appropriate modules

Issue #470428 by koence, cac2s, szt, foutrelis, cepinos, Wim Leers: Pager doesn't display right ellipsis if there is only one page left