Issue #3439924 by SolimanHarkas, vensires: Fix Minimal profile tests that rely on UID1's super user behavior

Issue #540008 by kristiaanvandeneynde, Spokje, daffie, clayfreeman, alexpott, eelkeblok, michaelfavia, ianthomas_uk, zaporylie, johnwebdev, abhisekmazumdar, anmolgoyal74, greggles, quietone, shaal, catch, rivimey, AaronMcHale, Berdir, ndf, xjm, finne, Wim Leers, esolitos, heddn, webchick, Bojhan, andypost, efpapado, benjifisher, lauriii, Gábor Hojtsy, moshe weitzman, harings_rob: Add a container parameter that can remove the special behavior of UID#1

Revert "Issue #3370946 by kunal.sachdev, lauriii, tim.plunkett, omkar.podey, alexpott, ckrina, smustgrave, larowlan, rkoller, hooroomoo, duadua: Page title should contextualize the local navigation"

This reverts commit ad606a8f.

Issue #3370946 by kunal.sachdev, lauriii, tim.plunkett, omkar.podey, alexpott, ckrina, smustgrave, larowlan, rkoller, hooroomoo, duadua: Page title should contextualize the local navigation

Issue #3377055 by Wim Leers, borisson_: Validate config schema compliance of Demo Umami and Minimal profiles, just like we do for Standard

Issue #3361534 by Wim Leers, borisson_, longwave, catch: KernelTestBase::$strictConfigSchema = TRUE and BrowserTestBase::$strictConfigSchema = TRUE do not actually strictly validate

Issue #2852557 by bircher, alexpott, longwave, nedjo, dww: Config export key order is not predictable, use config schema to order keys for maps

Issue #3139404 by mondrake, munish.kumar, pavnish, longwave: [May 25, 2021] Replace usages of AssertLegacyTrait::assertText, that is deprecated

Issue #3145418 by longwave, paulocs, shetpooja04, Spokje, nikitagupta, mondrake, ravi.shankar, sarvjeetsingh, mrinalini9: [November 9, 2020] Remove uses of t() in assertText() calls

Issue #3153143 by ridhimaabrol24, Hardik_Patel_12, siddhant.bhosale, guptahemant, quietone, paulocs: Remove uses of t() in linkExists() and linkNotExists() calls

Issue #3133033 by munish.kumar, xjm, Hardik_Patel_12, daffie, swatichouhan012: Fix Drupal.Array.Array.LongLineDeclaration coding standard for instances of the drupalCreateUser() test method

Issue #3139414 by cburschka, mohrerao, pavnish, jungle, ravi.shankar, daffie, mondrake, sja112: Replace usages of deprecated AssertLegacyTrait::assert(No)Link()

Issue #3139218 by mondrake, daffie: Replace usages of AssertLegacyTrait::assertResponse(), which is deprecated

Issue #3082655 by Wim Leers, alexpott, iyyappan.govind, dww, lauriii: Specify the $defaultTheme property in all functional tests

Issue #3072702 by alexpott, Wim Leers, mikelutz, xjm, catch, Berdir, tedbow, webchick, shaal, Mixologic, heddn: Core extensions should not need to specify the new core_version_requirement in *.info.yml files so that 9.0.x can be installed

Issue #3039287 by bendeguz.csirmaz, effulgentsia, xjm, alexpott, catch, jibran, hampercm, tedbow, Joseph Zhao, dawehner: Implement changes required to remove support for PHP 5.5 and 5.6

Issue #3015752 by alexpott, bnjmnm: Properly deprecate USERNAME_MAX_LENGTH and USER_REGISTER_* constants

Issue #2594425 by Sam152, gapple, naveenvalecha, dubcanada, Nitesh Pawar, Fonski, bircher, Eric115, ricovandevin, pameeela, mishradileep, juusechec, dawehner, jibran, xjm, ifrik, swentel, kim.pepper, Wim Leers, acbramley, 4aficiona2, yoroy, alexpott, ckaotik, andypost, FeyP: Add the option in system menu block to "Expand all items in this tree"

Issue #2854529 by alexpott, xjm, klausi, Chi, Mixologic: Fix Drupal.Scope.MethodScope - all methods should have scopes

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

Issue #2719695 by alexpott, Mile23: Fix 'Drupal.Classes.ClassDeclaration.CloseBraceAfterBody' coding standard

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #2476947 by mdrummond, Wim Leers, davidhernandez, lauriii, joelpittet, andypost, Cottser, JeroenT, Manuel Garcia, rpayanm: Convert "title" page element into a block

Issue #2005546 by mdrummond, joelpittet, Manuel Garcia, lauriii, lokapujya, epari.siva, hosef, rpayanm, emma.maria, HOG, zetagraph, wmortada, rteijeiro, Cottser, hussainweb, madhavvyas: Use branding block in place of page template branding variables (site name, slogan, site logo)

Issue #2429617 by Wim Leers, Fabianx, Berdir, yched, dawehner, effulgentsia, catch, borisson_, jhodgdon, martin107, torgosPizza: Make D8 2x as fast: Dynamic Page Cache: context-dependent page caching (for *all* users!)

Issue #507488 by lauriii, mdrummond, Wim Leers, Manuel Garcia, pwolanin, davidhernandez, chx, jibran, andypost, dawehner, Xano, tuutti, Gábor Hojtsy, LewisNyman, maximiliam, eiriksm, borisson_, bill richardson, Fabianx, joelpittet, Jeff Burnz, xjm, webchick, Bojhan, EclipseGc, emma.maria, tim.plunkett: Convert page elements (local tasks, actions) into blocks

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 #2535082 by alexpott, jhedstrom, xjm, plach, Fabianx, effulgentsia, Berdir: Allow hook_update_N() implementations to run before the automated entity updates

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2470807 by LewisNyman, Dom., davidhernandez, emma.maria, lauriii, jp.stacey: Rename the default "Messages" region for all themes to "Highlighted"

Revert "Issue #2470807 by LewisNyman, Dom., davidhernandez, emma.maria, jp.stacey, lauriii: Rename the default "Messages" region for all themes to "Highlighted""

This reverts commit 249e520b.

Issue #2470807 by LewisNyman, Dom., davidhernandez, emma.maria, jp.stacey, lauriii: Rename the default "Messages" region for all themes to "Highlighted"