Issue #3271688 by smustgrave, larowlan, phenaproxima, borisson_, ravi.shankar, dianacastillo, TimoZura: Remove source from media mappings

Issue #3361534 by Wim Leers, borisson_, longwave, catch: KernelTestBase::$strictConfigSchema = TRUE and BrowserTestBase::$strictConfigSchema = TRUE do not actually strictly validate

Issue #3212351 by heddn, ravi.shankar, catch, Fabianx, Graber, lauriii, Chi: Lazy load OEmbed formatter

Issue #3290810 by Spokje, catch, dww, longwave, alexpott: Remove updates added prior to 9.4.0 (9.4.4 for ckeditor) and add 9.4.0 database dumps

Issue #3153455 by Berdir, larowlan, Eduardo Morales Alberti, Gauravmahlawat, sleepingmonk, PhilippJC, alexpott, catch, daffie, jibran: UID base field override configs can still have old default value callbacks

Issue #3106666 by catch, jungle, xjm, alexpott, tim.plunkett, Berdir: Remove post updates added prior to 8.8.0

Issue #2969678 by seanB, oknate, phenaproxima, Wim Leers: Integrate Media Library with Content Moderation

Issue #3036787 by yongt9412, Berdir: media_post_update_enable_standalone_url() should only set TRUE if not already set

Issue #3017935 by chr.fritsch, Wim Leers, alexpott, phenaproxima: Media items should not be available at /media/{id} to users with 'view media' permission by default

Issue #2990896 by phenaproxima, effulgentsia, seanB, xjm: Move Media::save() logic into storage handler to prevent data integrity issues when media items with remote content are saved

Issue #2934424 by chr.fritsch, benjifisher, tstoeckler, phenaproxima, xjm, marcoscano, larowlan: Media has no collection route