Issue #3427172 by mondrake, longwave: Replace calls to ::expectWarning*() from Drupal\KernelTests\Core\Config\ConfigInstallTest

Issue #2786735 by recrit, eiriksm, ranjith_kumar_k_u, immaculatexavier, ravi.shankar, zaporylie, smustgrave, TrevorBradley, johnle, GaëlG, jefuri, alexpott, poker10: Image derivative generation does not work if effect "Convert" in use and file stored in private filesystem

Issue #3402713 by mstrelan, smustgrave, dww: Fix strict type errors: miscellaneous fixes in core Kernel tests

Issue #3117410 by jungle, longwave, alexpott, andypost, Kristen Pol, daffie: Use an optimised autoloader in testing (follow-up)

Issue #3117410 by jungle, longwave, alexpott, andypost, Kristen Pol, daffie: Use an optimised autoloader in testing

Issue #3357565 by quietone, Bhanu951, pradhumanjain2311, smustgrave, catch: Remove remaining uses of string 'bartik' and 'seven' when referring to the removed themes

Issue #3427176 by mondrake, longwave: Replace calls to ::expectWarning*() from Drupal\Tests\Core\EventSubscriber\SpecialAttributesRouteSubscriberTest

Issue #3438424 by catch, Berdir, alexpott, longwave: [random test failures] Race condition in state when individual keys are set with an empty cache

Issue #3436814 by fromme, smustgrave: Use provider in ViewExecutable::hasUrl() instead of \Drupal::service()

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

Issue #3402294 by mstrelan, quietone, dww, smustgrave: Fix strict type errors: Convert FormattableMarkup to strings (complex replacement) in core Kernel tests

Issue #3420356 by dww, thursday_bw, Kanchan Bhogade, smustgrave, benjifisher, catch, alexpott: Add link to Update module documentation about installer settings

Issue #3251895 by Shabbir, rodrigoaguilera, ckrina: claro_form_views_ui_config_item_form_alter() assumes a suffix when there is a prefix leading to: Undefined index #suffix in $form['options']['value']

Issue #2822890 by danflanagan8, Peacog, Lendude, quietone, smustgrave, AaronMcHale, benjifisher: Taxonomy vocabulary translation local task tab not shown in UI

Issue #3426506 by kim.pepper, smustgrave, mstrelan, alexpott: Create enums for File exists options and deprecate consts

Issue #3438034 by tannguyenhn, adwivedi008, alex.skrypnyk, alexpott: Fix Composer Scaffold plugin event listeners

Issue #3439439 by nicxvan, dww, longwave, andypost, quietone: Remove country setting from the installer

Issue #3432183 by catch, andypost, longwave: Move system/base component CSS to respective libraries where they exist

Issue #3436963 by sheetal-wish, ivnish, sourojeetpaul, smustgrave, longwave: CKEditor 5 table cell vertical align "middle" doesn't work

Issue #3419621 by dburiak, sijumpk, smustgrave, pameeela, alexpott: tablePositionSticky should not be called on a non-array variable

Issue #2862702 by larowlan, hswong3i, mohit_aghera, perfectcu.be, markhalliwell, mxr576, dscl, alexpott, smustgrave: PrepareModulesEntityUninstallForm::formTitle does not exist

Issue #3437162 by plopesc, smustgrave, Berdir: Move twig_debug and other development toggles into raw key/value

Issue #3438246 by mondrake: Change RecursiveContextualValidatorTest::providerTestValidatePropertyWithInvalidObjects to static

Issue #3420997 by sorlov, quietone, DanielVeza, smustgrave, alexpott, mstrelan: Convert MediaSource plugin discovery to attributes

Issue #3421843 by scott_euser, smustgrave, Wim Leers, catch: filter_autop should ignore twig.config debug html comments

Issue #2883025 by pameeela, joachim, mradcliffe: Exception messages in FieldConfig::getFieldStorageDefinition() are inaccurate

Issue #3427398 by aaron.ferris, alexpott, sdhruvi5142, rkoller, smustgrave, DanielVeza: Cancel button on the discard changes in the layout builder confirmation step should take you back to the layout builder

Issue #3421016 by quietone, godotislate: Convert MigrateProcessPlugin plugin discovery to attributes