Issue #3443255 by mikelutz: [random test failure] MigrationTest::testMigrationDependenciesInConstructor

Issue #3441615 by SKAUGHT, mErilainen, kekkis: navigation_theme() loads 'extension.list.module' for no purpose

Issue #3438895 by finnsky, larowlan, plopesc, m4olivei, ckrina, mherchel, catch, alexpott, nod_, deviantintegral, jwitkowski79, nod_, jponch, jwitkowski79, rkoller, Ana Barcelona, YurkinPark, finnsky, javi-er, alvarito75, ctrlADel, AaronMcHale, Emma Horrell, akshayadhav, claireristow, baluv3, bronzehedwick, NikMis, deviantintegral, hot_sauce, kostyashupenko, gnuschichten, keyboardcowboy, gdd, silviu, Prashant.c, ehsann_95, pjudge, rkoller, Shreya_th, starshaped, bal krishna, meeni_dhobale, mherchel, johnpicozzi, chetan_, saschaeggi, markie, iro, abhishek_gupta, vensires, KurtTrowbridge, hooroomoo, Utkarsh_33, Svitlana, starshaped, KeyboardCowboy, benjifisher, ahsannazir, tim.plunkett, tedbow, flanneryla, Anandt846, Kanchan Bhogade, SKAUGHT, joaopauloc.dev, Silviu S., q0rban, rabbitlair, bnjmnm, Mithun S, Akhil Babu, gaurav_manerkar, dead_arm, YurkinPark, lauriii, sani, chetan 11, DieterHolvoet, Gábor Hojtsy, jwilson3, marcelreimer: Add the new Navigation to core as an Experimental module

Issue #3057070 by joachim, Pancho, nicxvan: Refactor ImageFieldCreationTrait to support entity types other than nodes

Issue #3441394 by quietone, smustgrave, pradhumanjain2311, catch: Remove deprecated code in utilities

Issue #3439917 by sukr_s, smustgrave, adwivedi008, alexpott, vensires, quietone: Fix Views tests that rely on UID1's super user behavior

Issue #3439914 by pradhumanjain2311, sukr_s, vensires, smustgrave: Fix User tests that rely on UID1's super user behavior

Issue #3442530 by smustgrave, andypost, quietone: Update contextual module deprecation for removal in 12.0

Issue #3420981 by kim.pepper, quietone, mstrelan, Berdir, alexpott: Convert FieldType plugin discovery to attributes

Issue #3442713 by smustgrave, catch, Binoli Lalani, longwave: Remove deprecated code from the entity system

Issue #3443037 by alexpott, catch, kristiaanvandeneynde, Taran2L, longwave: Super user access policy and the installer

Issue #3442259 by catch, quietone, dww: Reduce time of Migrate Upgrade tests by not outputting the logs by default

Issue #3442162 by catch, smustgrave: Remove redundant hook_ENTITY_TYPE_presave() and ViewsConfigUpdater methods

Issue #3443211 by nicxvan, smustgrave: Update cspell.json to remove references to extensions no longer in core