Issue #3441718 by mondrake: Fix string array keys in data sets returned by data provider methods that do not match the parameter names in Unit tests

Issue #3414563 by quietone, catch, smustgrave, andypost, Spokje: Add new 10.3.x database dump fixtures, without modules deprecated for removal in 11.x

Issue #3437325 by narendraR, phenaproxima, alexpott, Wim Leers: Add validation constraints to system.date

Issue #3440170 by mxr576, quietone, smustgrave, longwave, larowlan: Forked DocParser incorrectly parses ::class notations

Issue #3439824 by quietone: Remove deprecated code from assertion, eventdispatcher and plugin components

Issue #3439527 by acbramley, smustgrave, alexpott: Add type hints to WebAssert::address* and cleanUrl

Issue #3088643 by amateescu, Gábor Hojtsy, catch, smustgrave: Mark Workspaces as a stable core module

Issue #3158130 by longwave, Berdir, voleger, mayurjadhav, ranjith_kumar_k_u, _pratik_, smustgrave, acbramley: Many calls to ContextRepository::getAvailableContexts() due to entity upcasting

Issue #3427174 by longwave, quietone, dineshkumarbollu, mondrake, alexpott: Throw exception when calling NestedArray::setValue() when parents reference a non-array value instead of causing a PHP error

Issue #3439932 by phenaproxima, narendraR, Wim Leers, larowlan: Add validation constraints to system.image and system.image.gd

Issue #3437566 by mondrake, longwave, catch, smustgrave, alexpott: Refactor trigger_error in TypedConfigManager

Issue #3427564 by phenaproxima, Wim Leers, alexpott, omkar.podey, Berdir, smustgrave, larowlan: Require `langcode: …` only for simple config that contains translatable values

Issue #3001496 by jonathanshaw, SmovS, Prashant.c, ptmkenny, smustgrave, manish-31, alexpott, bojanz, tedbow, elber, Berdir, quietone: Add an alter hook to EntityQuery

Issue #3419690 by longwave, mondrake, immaculatexavier, alexpott: Find an alternative to trigger_error in Drupal\Core\Database\Query\Condition::compile

This reverts commit 5a9ce8cf.

Issue #3427178 by mondrake, longwave: Replace calls to ::expectWarning*() from Drupal\Tests\Core\Security\DoTrustedCallbackTraitTest

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

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