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 8b52db7c)

(cherry picked from commit 2c9e1fa9)

(cherry picked from commit 9028e269)

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)

Issue #3482618 by nicxvan, godotislate: ModuleHandler->alterDeprecated does not properly handle deprecated OOP hooks

(cherry picked from commit 1afb8711)

Issue #3485470 by nicxvan, lendude: views_form_views_exposed_form_alter is documented as hook_form_alter instead of hook_form_FORM_ID_alter

(cherry picked from commit b8ec70b4)

Issue #3479411 by phenaproxima, thejimbirch: The addItemToToolbar config action should not, by default, add items that are already in the toolbar

(cherry picked from commit c1927736)

(cherry picked from commit 7a8cfc7a)

(cherry picked from commit 4012cf0c)

Issue #3386313 by kksandr, mxr576, smustgrave, longwave, catch: The entity link label formatter should check URL access

(cherry picked from commit 85dc67bf)

Issue #3330481 by spokje, quietone, mstrelan, smustgrave: Fix PHPStan L2 error "PHPDoc tag @foo has invalid value (Bar)"

(cherry picked from commit 5a87e35f)

(cherry picked from commit fa4cdaf3)

Issue #3477687 by mstrelan, quietone: Add ResponseInterface return typehints to protected test helper methods

(cherry picked from commit 1853daaf)

Issue #3483057 by mstrelan, bbrala, smustgrave: Add void return type to all hook_install and hook_uninstall implementations

Issue #3323702 by spokje, _pratik_, quietone: Fix PHPStan L2 error "Variable $foo in PHPDoc tag @var does not exist. " - Low Hanging Fruit Edition

Issue #3180505 by arunkumark, abhijith s, pcambra, anmolgoyal74, smustgrave, alexpott, lendude, catch: Allow token replacement for array URLs on views custom URLs

Issue #3479887 by bradjones1, mcdruid: CommentUserNameTest::testUsername() failure due to missing comment type

Issue #3479205 by alexpott, phenaproxima, catch: Wire Composer Stager into Package Manager's services.yml

Issue #3346707 by tedbow, phenaproxima, alexpott, catch, wim leers, dww, effulgentsia, gábor hojtsy, drumm, grasmash, chrisfromredfin, fizcs3, cola, capysara, diegors, daisyleroy, abhishek_gupta1, bnjmnm, quietone, lauriii, poker10, xjm, anish.a, ajits, traviscarden, heddn, Idoni, srishtiiee, siramsay, shabbir, rocketeerbkw, Schnitzel, s_leu, Theresa.Grannum, yash.rode, wiifm, wendyZ, tim.plunkett, Webbeh, rkoller, Ranjit1032002, kunal.sachdev, kjankowski, jayesh.d, immaculatexavier, Ishani Patel, leksat, lhridley, percoction, rahul_, p.ayekumi, omkar.podey, narendra.rajwar27, narendrar: Add Alpha level Experimental Package Manager module

Issue #3461896 by clayfreeman, quietone, smustgrave, nod_: Overridden view block title should be set on the view itself

Issue #3477346 by mondrake, smustgrave, larowlan: ExtensionMimeTypeGuesser::guessMimeType returns less accurate MIME type when file extensions have multiple parts

Issue #3474640 by benjifisher, joachim: Drupal\Tests\migrate\Unit\destination\EntityRevisionTest uses weird mocking pattern

Issue #3470403 by mstrelan, smustgrave, quietone: Add EntityInterface return typehints to protected test helper methods

Issue #2479449 by sudiptadas19, smustgrave, akashkumar07, rithesh bk, rpayanm, pradhumanjain2311, tstoeckler, mrinalini9, tatisilva, larowlan, andypost, dawehner, xjm, yesct: contact_menu_local_tasks_alter() should check whether ['tabs'][0] is set

Issue #3458426 by mstrelan, catch, abarrio, quietone, smustgrave: Add int return typehints to protected test helper methods

Issue #3481695 by phenaproxima, a.dmitriiev, thejimbirch, b_sharpe, alexpott: Entity displays cloning requires special config action

Issue #3456601 by mstrelan, xjm, smustgrave, longwave: Add void return typehints to test helper methods

Issue #3038040 by bradjones1, claudiu.cristea, swentel, bvoynick, longwave, grayle, timwood, alexpott: Support priority for needs_destruction service tag