Issue #2419225 by mikeker: settings.local.php trusted_host_patterns are ignored due to incorrect location of the include statement

Issue #2381763 by chx, webflo: Adjust the order of container yamls to override settings per environment

Revert "Issue #1916790 by plach, YesCT, penyaskito, Gábor Hojtsy, das-peter, herom, larowlan: Convert translation metadata into regular entity fields"

This reverts commit 920382d4.

Issue #1916790 by plach, YesCT, penyaskito, Gábor Hojtsy, das-peter, herom, larowlan: Convert translation metadata into regular entity fields

Issue #2221699 by mpdonadio, mikey_p, alexpott, kim.pepper, arlinsandbulte: HTTP_HOST header cannot be trusted

Revert "Issue #2221699 by mpdonadio, mikey_p, kim.pepper, arlinsandbulte: HTTP_HOST header cannot be trusted"

This reverts commit 2c9eddf3.

Issue #2221699 by mpdonadio, mikey_p, kim.pepper, arlinsandbulte: HTTP_HOST header cannot be trusted

Issue #2392319 by alexpott, effulgentsia: Config objects (but not config entities) should by default be immutable

Issue #2347877 by znerol, Berdir: Move DrupalKernel::initializeCookieGlobals() into a SessionConfiguration service

Issue #2401253 by idebr: settings.php says it contains Twig debug settings while these are actually in services.yml

Issue #2353357 by Berdir: hook_stream_wrappers_alter() is broken since modules are not loaded on demand, also change to an event since it's the last hook that forces this during bootstrap

Issue #2170235 by Berdir, penyaskito, larowlan, alexpott, sushyl: file_private_path should be in $settings, like file_public_path

Issue #2183075 by valderama, dinarcon, er.pushpinderrana, amitgoyal, umar-ahmad: Tidy up css.gzip and js.gzip configuration.

Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.

Issue #2275877 by Mixologic, duellj, Les Lim, Xano, David Strauss: Replace master/slave terminology with primary/replica.

Issue #2243439 by amitgoyal, jonreid, mark.labrecque, mpv, pwolanin, scor, cilefen, sun: Fix up docs about config file/database locations in settings.php and READMEs in directories

Issue #950534 by mparker17, mgifford, Mixologic, jbloomfield, erinclerico, theMusician, wmostrey | zirvap: [policy] Consistently use email instead of e-mail in Drupal.

Revert "Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel."

This reverts commit cda051c4.

Issue #2016629 by larowlan, neclimdul, sun, alexpott, jibran, ParisLiakos, donquixote, effulgentsia, msonnabaum: Refactor bootstrap to better utilize the kernel.

Issue #2263351 by Wim Leers: Text Editor's in-place editing plugin broke in-place editing at large due to PHP fatal.

Issue #2240463 by robertdbailey, balagan, holly.ross.drupal: Fix text: languages are not "enabled/disabled" anymore, they are added/removed.

Issue #2161591 by pwolanin, beejeebus, sun: Change default active config from file storage to DB storage.

Issue #2056879 by martin107, Outi, ioskevich, Cottser: Improve twig_* vars DOCs in settings.php and make Twig debug markup require a cache clear.

Issue #2121849 by moshe weitzman: Move chmod.directory and chmod.file out of config and into settings so that file writes are independant of the config system.