Issue #3405798 by alexpott, bircher: Config deleted during import does not have correct initial values set

Issue #3404769 by acbramley, smustgrave: UpdatePathTestBase::prepareSettings writes entity_update_batch_size incorrectly

Issue #3181013 by Driskell, alexpott, ericgsmith, Pan Lee, smustgrave, Kristen Pol, mxr576: Faulty permanent config cache has been set to the cache backend on failed sql server connection

Issue #3391776 by alexpott, smustgrave, catch: InfoParser returns an empty array if passed a non-existing file

Issue #3401883 by Wim Leers, phenaproxima, alexpott, borisson_, bircher: Introduce Mapping::getValidKeys(), ::getRequiredKeys() etc

Issue #3020061 by bnjmnm, tedbow, lauriii, zrpnr, smustgrave, yash.rode: Ajax replace does not refocus element if inside a dialog

Issue #3402296 by mstrelan, smustgrave: Fix strict type errors in kernel tests: Do not quote integers

Issue #3392200 by jeremy_p, joachim, hdnag, yepa: Invalid placeholder error message should say what's wrong with it

Issue #3402548 by alexpott, mikelutz, el7cosmos: YamlFileLoaderTest fails if you have PECL yaml installed

Issue #3391786 by quietone, xjm, smustgrave: Fix spelling of words only misspelled in tests, variable names, part 5

Issue #3376843 by kristiaanvandeneynde, larowlan, catch, mxr576, quietone: Add the access policy API

Issue #3402168 by Wim Leers, alexpott, Berdir, bircher, borisson_, effulgentsia: Follow-up for #3361534: Config validation errors can still occur for contrib modules, disrupting contrib

Issue #3400458 by alexpott, Berdir, longwave, ReINFaTe, mglaman, larowlan, Charlie ChX Negyesi, kristiaanvandeneynde, cmlara: AttributeClassDiscovery fails while trying to include non valid plugin class

Issue #3401720 by neclimdul, acbramley: [random test fail] TimestampFormatterWithTimeDiffViewsTest::testTimestampFormatterWithTimeDiff

Revert "Issue #3383131 by WalkingDexter, xjm, allisonherodevs, ashley_herodev, pradhumanjain2311, smustgrave, marcoliver, lauriii: Entity autocomplete form element ignores entities with label "0""

This reverts commit 68dfec3c.

Issue #3316274 by Wim Leers, catch, nod_, alexpott, longwave, bnjmnm: Stabilize FunctionalJavascript testing AJAX: add ::assertExpectedAjaxRequest()

Issue #3383131 by WalkingDexter, xjm, allisonherodevs, ashley_herodev, pradhumanjain2311, smustgrave, marcoliver, lauriii: Entity autocomplete form element ignores entities with label "0"

Issue #3401236 by pradhumanjain2311, xjm, joachim, smustgrave: Rename EntityReferenceTestTrait to help discoverability

Issue #3377310 by catch, joelpittet, mark_fullmer, smustgrave, TrevorBradley, bkosborne, MWaters, cilefen, capellic: 400 exceptions result from requests for old asset paths which are missing the "theme" query string, possibly from cached pages

Issue #3401186 by Wim Leers, alexpott: Follow-up for #3382510: Throw \LogicException when >1 #config_target in the same form targets the same property path

Issue #3398982 by Wim Leers, phenaproxima, alexpott, borisson_: ConfigFormBase + validation constraints: support non-1:1 form element-to-config property mapping again

Issue #3400485 by googletorp, nod_: LibraryDependencyResolver::getMinimalRepresentativeSubset() calculates dependencies incorrectly

Issue #3195583 by smokris, smustgrave, mohit.bansal623, xjm, quietone: Fix warning when RSS feed includes markup with an empty srcset attribute

Issue #3399685 by poker10, greggles, BramDriesen: Remove Core version from install.php when the site already is installed - Information Disclosure - Leaking version information

Issue #3301205 by Spokje, mondrake, Gábor Hojtsy, quietone, catch, xjm: Replace the test class protected $modules deprecation error with a phpstan-drupal rule