Issue #3462973 by mattlc, ultimike, smustgrave, dww, larowlan, alexpott: Provide details of where core tests, not in core modules, should live

(cherry picked from commit 6025a148)

(cherry picked from commit 55fd8379)

(cherry picked from commit f2d43b0c)

(cherry picked from commit 91fc116a)

Issue #3483299 by tstoeckler, mstrelan, nicxvan: Add void return type to all preprocess hook implementations

(cherry picked from commit be64557b)

Issue #2972622 by amateescu, catch, gábor hojtsy, fabianx, lauriii: Split the workspaces UI into a separate module

(cherry picked from commit f8e5acb7)

Issue #2972622 by amateescu, catch, gábor hojtsy, fabianx, lauriii: Split the workspaces UI into a separate module

(cherry picked from commit 1f62c939)

Issue #3487482 by amateescu, catch, benjifisher, ekes, finn lewis, fabianx, larowlan: Creating a published moderated entity in a workspace shouldn't make it published in Live

(cherry picked from commit 9aaa6664)

This reverts commit f6f705f8.

(cherry picked from commit 6aca2acf)

(cherry picked from commit aaff5b55)

Issue #3483481 by quietone, dww, catch: Hide and restrict package_manager (and update_manager) behind a dev/prod toggle so that they can be alpha stability in tagged releases

(cherry picked from commit 69df78a3)

Issue #3486981 by phenaproxima, thejimbirch: Allow recipes to enable Layout Builder via config actions

(cherry picked from commit 524cf737)

Issue #3473608 by amateescu, plach, ajits: Workspace association does not work with entities with non-numeric IDs

(cherry picked from commit 989fe116)

Issue #3483599 by nicxvan, ghost of drupal past, catch, longwave, fabianx: Convert all procedural hook implementations to Hook classes

(cherry picked from commit 8aeb2ca5)

Issue #3481539 by mondrake: Method getMockForAbstractClass() is deprecated - replace in EntityUrlTest

(cherry picked from commit 55bab340)

Issue #3439832 by pooja_sharma, solimanharkas, smustgrave, quietone, vensires: Fix Content Moderation tests that rely on UID1's super user behavior

(cherry picked from commit 56186f90)

Issue #3480293 by gapple: ConfigTarget::__construct() documentation references incorrect ToConfig enum name

(cherry picked from commit ba24f059)

(cherry picked from commit 1c0440c8)

Issue #3113989 by acbramley, mohit_aghera, maskedjellybean, scott_euser, yogeshmpawar, lendude, ranjith_kumar_k_u, ameymudras, kristen pol, rahul b, larowlan, quietone, dww, alexpott, daffie: Media author views filter should use the user_name plugin

(cherry picked from commit 68013115)

Issue #3483050 by mstrelan, nicxvan: Add int return type to all hook_update_last_removed implementations

(cherry picked from commit 3d350b03)

Issue #3483065 by nicxvan, mstrelan: Add void return type to all hook_form_alter, hook_form_FORM_ID_alter and hook_form_BASE_FORM_ID_alter implementations

(cherry picked from commit d5437bd5d8c29e8e3d14598104423c1ed82dec95)

(cherry picked from commit 8e261bf9)

Issue #3396166 by godotislate, berdir, quietone, bbrala, joachim, nicxvan, catch, kristiaanvandeneynde, larowlan: Convert entity type discovery to PHP attributes

(cherry picked from commit 45106a68)

(cherry picked from commit b5c5a2a3)

(cherry picked from commit da2c85be)

(cherry picked from commit 6e60f0b5)

(cherry picked from commit 8b52db7c)

(cherry picked from commit 2c9e1fa9)

(cherry picked from commit 9028e269)

(cherry picked from commit 052c0c26)

(cherry picked from commit b47d7a0f)

This reverts commit f9d51f5c.

Issue #3486195 by longwave, alexpott, dmundra: An update to symfony/http-foundation plus a trailing space took down the views UI

(cherry picked from commit 2810f72c)

(cherry picked from commit 94bc9615)