Issue #2942001 by dimitriskr, alexpott, gaurav.kapoor, smustgrave, andypost, almaudoh: Deprecate ThemeHandlerInterface::rebuildThemeData() and use extension.list.theme service instead

Issue #3419987 by alexpott, Wim Leers, larowlan, dww: Fix Container::reset() and provide DrupalKernel::resetContainer()

Issue #3419107 by Keshav Patel, Chi: FieldConfigEditForm::save should report exceptions using warning or error messages

Issue #3393099 by kim.pepper, smustgrave, xjm, alexpott, longwave: Move ExecutionContext, ExecutionContextFactory, and ConstraintViolationBuilder from TypedData to Validation namespace

Issue #3422362 by mondrake, Spokje, smustgrave: Change ComposerIntegrationTest::providerTestComposerJson to static

Issue #3358581 by pfrenssen, _tarik_, a.dmitriiev, smustgrave, longwave, larowlan: Deprecated function: array_slice(): Passing null to parameter #2 ($offset) of type int is deprecated in Drupal\Core\Config\Entity\Query\Query->execute()

Issue #3422543 by mstrelan, smustgrave, longwave: Make use of is_iterable and is_countable functions

Issue #3422485 by mondrake, smustgrave: Change DrupalLogErrorTest::provideFatalExitCodeData to static

Issue #3422495 by mondrake, smustgrave: Change DefaultConfigTest::moduleListDataProvider and helpers to static

Issue #3422481 by mondrake, smustgrave: Change PrimitiveTypeConstraintValidatorTest::provideTestValidate to static

Issue #3422345 by mondrake, smustgrave: Change DateTest::providerTestFormatDiff and family to static

Issue #3422222 by gorkagr, mstrelan, smustgrave: Wrong return type in Renderer::ensureMarkupIsSafe()

Issue #3414568 by dimitriskr, smustgrave, quietone: Replace preg_match() with str_starts_with()/str_ends_with() or similar

Issue #3420991 by kim.pepper, larowlan, mstrelan: Convert ImageToolkit plugin discovery to attributes

Issue #3420992 by kim.pepper, mstrelan, larowlan: Convert ImageToolkitOperation plugin discovery to attributes

Issue #3420996 by mstrelan, kim.pepper, larowlan: Convert ImageEffect plugin discovery to attributes

Issue #3415938 by longwave, Spokje, taraskorpach: Remove ContainerAwareTrait from CacheFactory and ChainedFastBackendFactory

Issue #3402444 by mondrake, Spokje, neclimdul, longwave: Deprecate Test Suites, no longer available in PHPUnit 10

Issue #3397532 by finnsky, smustgrave, markconroy: Fix Umami container max-width when toolbar or navigation expanded

Issue #3393531 by Gauravvvv, shweta__sharma, Harsh, andy-blum, Aditi Saraf: Article text can overflow page on mobile viewports

Issue #3377198 by karanpagare, Harish1688, kostyashupenko, Vidushi Mehta, shweta__sharma, bnjmnm, smustgrave, longwave: Details up chevron not quite vertically aligned in forced colors mode

Issue #2002174 by Wim Leers, xjm, fago, effulgentsia, catch, smustgrave: Allow vocabularies to be validated via the API, not just during form submissions

Issue #3127116 by phthlaap, AjitS, cmlara, AmbyH, smustgrave, alexpott, quietone: Image styles - thumbnails are broken in config page when private file system is used

Issue #3304772 by tstoeckler, kksandr, Murz, smustgrave: Cache tags from Computed fields do not bubble up to Entity render array

Issue #3091841 by quietone, Grevil, Anybody, mikelutz, smustgrave, danflanagan8, jklmnop, ShaunDychko, fengtan, MariaIoann, ranjith_kumar_k_u: Remove hardcoded plugin IDs from migration process plugins

Issue #2856598 by apkwilson, NickDickinsonWilde, ranjith_kumar_k_u, adhariwal, yogeshmpawar, smustgrave, quietone: Views field rewrite replacement subtoken yields double encoded HTML entities