Issue #3335269 by Niklan: Entity stubs doesn't follows fallback logic from entities and leads to a broken migration

Issue #3138078 by mondrake, larowlan, longwave, xjm: [D9.3 beta - w/c Nov 8, 2021] Add a 'void' return typehint to custom assert* methods

Issue #3134470 by heddn, gabesullice, sudiptadas19, ridhimaabrol24, quietone, mikelutz, Kristen Pol, alexpott, Wim Leers, larowlan, longwave: Switch to entity owner in EntityContentBase during validation

Issue #3133162 by jungle, ravi.shankar, Deepak Goyal, Neslee Canil Pinto, anmolgoyal74, xjm, Kristen Pol: Replace the start verb Test with Tests in method comments of tests

Issue #2822382 by voleger, pfrenssen, erozqba, jungle, RytoEX, borisson_, jofitz, shashikant_chauhan, sidharthap, dawehner, xjm, kiamlaluno, catch, daffie, klausi: Make every $modules property protected on classes extending BrowserTestBase and KernelTestBase

Issue #3107732 by mondrake, longwave, swatichouhan012, salah1, xjm, catch, alexpott, Berdir: Between April 13 and April 17, 2020: Add return typehints to setUp/tearDown methods in concrete test classes

Issue #2742585 by ZeiP, alexpott, mondrake, klausi, tomasnagy, Krzysztof Domański, sokru, kristiaanvandeneynde, dawehner, jeroenbegyn: Deprecate dangerous assertTrue/False() compatibility overrides in PHPUnit Kernel, Functional and FunctionalJavascript tests

Issue #2886622 by Berdir, martin107, Mile23, tim.plunkett, mikelutz, jonathan1055: Deprecate all EntityManager methods with E_USER_DEPRECATED

Issue #3035953 by Berdir, andypost, vacho: Add @trigger_error() to deprecated EntityManager->EntityFieldManager methods

Revert "Issue #2822382 by voleger, pfrenssen, erozqba, RytoEX, borisson_, sidharthap, Jo Fitzgerald, shashikant_chauhan: Make every  property protected on classes extending BrowserTestBase and KernelTestBase"

This reverts commit 69501f30.

Issue #2822382 by voleger, pfrenssen, erozqba, RytoEX, borisson_, sidharthap, Jo Fitzgerald, shashikant_chauhan: Make every  property protected on classes extending BrowserTestBase and KernelTestBase

Issue #2923915 by tstoeckler, heddn: Stubbing content entities with required fields with a default value is broken

Issue #2711353 by Jo Fitzgerald, rakesh.gectcr, quietone, chx, Yogesh Pawar, Pavan B S, biguzis, mikeryan, vasi, catch, iMiksu, dawehner, Berdir, benjy: Migrate never unsets existing data for content entitites

Revert "Issue #2711353 by rakesh.gectcr, Jo Fitzgerald, quietone, chx, Yogesh Pawar, Pavan B S, biguzis, phenaproxima, mikeryan, vasi, iMiksu, Berdir, dawehner, benjy: Migrate never unsets existing data for content entitites"

This reverts commit 3d524aaa.

Issue #2711353 by rakesh.gectcr, Jo Fitzgerald, quietone, chx, Yogesh Pawar, Pavan B S, biguzis, phenaproxima, mikeryan, vasi, iMiksu, Berdir, dawehner, benjy: Migrate never unsets existing data for content entitites

Issue #2859246 by Jo Fitzgerald, phenaproxima, alexpott, xjm: Allow MigrateExecutable to be constructed without a message object

Issue #2783715 by claudiu.cristea, chx, mikeryan, heddn, phenaproxima: Entity destination ID schema should match entity ID definition

Revert "Issue #2783715 by claudiu.cristea, chx, mikeryan, heddn, phenaproxima: Entity destination ID schema should match entity ID definition"

This reverts commit 3348de12.

Issue #2783715 by claudiu.cristea, chx, mikeryan, heddn, phenaproxima: Entity destination ID schema should match entity ID definition

Issue #2225775 by vasi, quietone, phenaproxima, chx, penyaskito, mikeryan, esclapes, vprocessor, steinmb, Gábor Hojtsy, Marc Angles, bwinett: Migrate Drupal 6 core node translation to Drupal 8