Issue #3284420 by longwave, Gábor Hojtsy, Spokje: Remove Composer 1 specific code paths from Drupal 10

(cherry picked from commit 6c6f6a3f)

(cherry picked from commit 7e58bc53)

(cherry picked from commit 304c01b5)

(cherry picked from commit c60c4fc3)

Issue #3292850 by tim.plunkett, chrisfromredfin, leslieg, xjm: Add Project Browser intitative to MAINTAINERS.txt

(cherry picked from commit 29df1861)

Issue #3264145 by ankithashetty, yogeshmpawar, ravi.shankar, mrinalini9, neclimdul, mondrake, longwave, daffie: Fixing missing use statement in ConfigOverrider test class

(cherry picked from commit 5253862d)

Issue #3285667 by andregp, ankithashetty, quietone, longwave: Remove duplicate test from source\d7\NodeTest::providerSource

(cherry picked from commit 4fd25f45)

(cherry picked from commit fa8a8df5)

Issue #3270831 by Wim Leers, bnjmnm, xjm, catch: Make the CKEditor 4 → 5 upgrade path work even when the CKEditor 4 module is removed

(cherry picked from commit 4a960dce)

(cherry picked from commit b16df24b)

Issue #3173031 by Spokje, andypost, mondrake: Clean-up \Drupal\system\Plugin\ImageToolkit\GDToolkit when core require php 8.0

(cherry picked from commit 7f337ca7)

(cherry picked from commit 9957f301)

Issue #3292428 by Spokje: Remove inadvertedly committed core/modules/quickedit/tests/src/Functional/CKEditor5/CKEditor5QuickEditLibraryTest.php.orig

(cherry picked from commit c2016703)

(cherry picked from commit a80dddcc)

(cherry picked from commit f5bdc0f1)

(cherry picked from commit fbc8bd2d)

Issue #3293051 by Spokje, longwave: \Drupal\Core\Composer\Composer::preAutoloadDump contains duplicate if statement

(cherry picked from commit 6793e2ea36e2deead6f54521d0948241822265f1)

(cherry picked from commit 4c8bb2cf)

Issue #3270556 by quietone: Handle NULL for max_filesize_per_file in d6\FieldInstanceSettings::convertSizeUnit

(cherry picked from commit 54816afa)

Issue #3070747 by immaculatexavier, herved, alexpott, yoruvo: Profile paths are not updated after moving them to other directories

(cherry picked from commit e9a1ea2a)

(cherry picked from commit e17e5f01)

Issue #3278122 by andregp, mondrake, Spokje, daffie: Since symfony/routing 6.1: The "Symfony\Component\Routing\Matcher\UrlMatcher::handleRouteRequirements()" method will have a new "array $routeParameters" argument in version 7.0, not defining it is deprecated

(cherry picked from commit 256ceca3)

Issue #3271057 by Wim Leers, xjm, lauriii: Move Media Library CKEditor 4 integrations from Media into CKEditor

(cherry picked from commit 13051c34)

(cherry picked from commit 29ae0b68)

Issue #3076684 by Spokje, andypost, longwave, paulocs, Mile23, KapilV, greg.1.anderson: Remove deprecated vendor cleanup scripts

(cherry picked from commit c042f344)

Issue #3284010 by _shY, mherchel, Abhijith S: "Create content" link within Olivero's "Getting started" page doesn't account for base directory

(cherry picked from commit 584f09ec)

(cherry picked from commit 15dc7bfe)

Issue #3291317 by immaculatexavier, mherchel, Janner, longwave: Views Mini Pager's next button labeled "Previous" for screen readers in Olivero

(cherry picked from commit eb2d361e)

(cherry picked from commit a9c1a681)

Issue #3153956 by clayfreeman, Spokje, andypost, longwave: Remove code related to "context from configuration" that was deprecated in Drupal 9

(cherry picked from commit 3b4a427f)

(cherry picked from commit ca945b39)

Issue #2987089 by askibinski, andypost, alexpott: Remove views.module's direct use of the _serviceId property

(cherry picked from commit c7dc516f)

Issue #3291283 by nod_, jsutta, longwave, cilefen, alexpott, Gabbia998, ptomulik: Restore missing backbone-min.js.map

(cherry picked from commit 12a74da1)

Issue #3153852 by clayfreeman, catch: Both component and core versions of ContextAwarePluginBase need updated deprecation documentation

Revert "Issue #3238501 by kostyashupenko, Spokje, mherchel, nod_, longwave, lauriii, bnjmnm: Remove Internet Explorer 11 polyfills"

This reverts commit 145d7286.

Issue #3238501 by kostyashupenko, Spokje, mherchel, nod_, longwave, lauriii, bnjmnm: Remove Internet Explorer 11 polyfills

Issue #3290808 by longwave, catch, Spokje, dww, Lendude: Remove workspaces special casing from system_requirements() and fix versions/docs

Issue #3291780 by longwave, xjm, Spokje: guzzlehttp/guzzle 7.4.5 requires guzzlehttp/psr7 ^2.3 which breaks HEAD