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

Issue #3432849 by mondrake, Spokje: Method returnSelf() of class PHPUnit\Framework\TestCase is deprecated in PHPUnit 10

Issue #3403337 by alexpott, quietone, Akhil Babu, vakulrai, smustgrave, Gábor Hojtsy, penyaskito, longwave, catch: The order of the projects coming from locale_translation_get_projects() is not consistent

Revert "Issue #3403337 by alexpott, quietone, Akhil Babu, vakulrai, smustgrave, penyaskito, Gábor Hojtsy: The order of the projects coming from locale_translation_get_projects() is not consistent"

This reverts commit 36fece71.

Issue #3403337 by alexpott, quietone, Akhil Babu, vakulrai, smustgrave, penyaskito, Gábor Hojtsy: The order of the projects coming from locale_translation_get_projects() is not consistent

Issue #3421206 by karanpagare, GafgarionMorua, smustgrave, joachim, longwave: incorrect docs for LocaleConfigSubscriberTest::assertTranslation()

Issue #3309104 by Bhanu951, acbramley, mondrake, ravi.shankar, smustgrave, daffie, alexpott, quietone, mstrelan: Replace REQUEST_TIME in Functional and FunctionalJavascript tests

Issue #2609256 by sleitner, rkoller, smustgrave, vegantriathlete, quietone, benjifisher, AaronMcHale, worldlinemine: Add warning message to import translations after enabling Interface Translation

Issue #3353210 by mondrake, PrabuEla, Spokje: [PHPUnit 10] @dataProvider methods must be declared static and public

Issue #3404508 by mstrelan, smustgrave, quietone: Fix strict type errors in Functional tests: Add casts and fix types where needed

Issue #3379496 by quietone, smustgrave, longwave: Convert enable/disable to install/uninstall in UI not in hook_help

Issue #3404273 by mstrelan, smustgrave: Fix strict type errors: Convert FormattableMarkup to strings (simple replacement) in core Functional tests

Issue #2575945 by Sutharsan, mstrelan, tobiasb, ranjith_kumar_k_u, andypost, ericdsd, smustgrave, Ammaletu: A new module version is not recognized by interface translation update

Issue #3386458 by catch, quietone, alexpott, larowlan: Add GenericModuleTestBase and use it to test general module things

Issue #2712603 by Chi, quietone, martin_klima, radimklaska: Counts for singulars in DateFormatter::formatInterval() are hardcoded to 1

Issue #3375959 by znerol, catch, bradjones1: Add a way to delay executions in test runner until terminate event completed in the child site

Issue #3372972 by Wim Leers, phenaproxima, NickDickinsonWilde, smustgrave: Fix all type: machine_name constraint violations in tests

Issue #3376314 by Spokje, urvashi_vora, catch, lauriii, ckrina, bostonjillian: Remove the username and password descriptions from the login form

Issue #2921133 by quietone, VladimirAus, xjm, ankithashetty, longwave, Prem Suthar, smustgrave, benjifisher, AaronMcHale: Remove "Please" from the codebase

Issue #3364204 by Sweetchuck: Locale configuration storage passes wrong arguments to install storage

Issue #3224941 by andypost, Akram Khan, ravi.shankar, SandeepSingh199, Spokje, catch, xjm, alexpott: Remove usage of setAccessible() when core requires PHP 8.1

Issue #3295790 by bradjones1, mstrelan, rpayanm, catch, alexpott, acbramley, longwave, kim.pepper, mfb: Post-response task running (destructable services) are actually blocking; add test coverage and warn for common misconfiguration

Issue #3365229 by narendraR, lauriii, bnjmnm, Chris Matthews, yoroy, ckrina, hooroomoo: Add separate 'Save' and 'Save and add fields' to Add Content, Comment, Media and Block Type Forms