21 backports to do

main	13.4	12.4
Merged #92240 [TASK] Update copyright year in README.md and INSTALL.md Author Benni Mack Updated 01/02/26, 17:56 Affected Files 2 Patchsets 2 Reviews 3 Verifies 3	Review is missing.	Review is missing.
Merged #92187 [TASK] Unify ViewHelper arguments naming Author Simon Praetorius Updated 01/15/26, 12:43 Affected Files 2 Patchsets 4 Reviews 6 Verifies 7	Review is missing.
Merged #92848 [TASK] Add workspace language synchronization DataScenario tests Author Benni Mack Updated 02/16/26, 07:52 Affected Files 54 Patchsets 3 Reviews 4 Verifies 5	Review is missing.
Merged #93657 [BUGFIX] Introduce `PackageSetup` to unify extension setup Author Helmut Hummel Updated 04/16/26, 07:25 Affected Files 7 Patchsets 9 Reviews 4 Verifies 5	#93689 [BUGFIX] Introduce `PackageSetup` to unify extension setup 13.4 Author Helmut Hummel Updated 04/16/26, 11:51 Affected Files 7 Patchsets 1 Reviews 2 Verifies
Merged #89244 [BUGFIX] Autowire `LoggerInterface` for `inject*()` methods Author Helmut Hummel Updated 04/19/26, 15:13 Affected Files 19 Patchsets 14 Reviews 4 Verifies 4	Review is missing.
Merged #92362 [BUGFIX] Adapt IRRE/files toggle switch for invertStateDisplay Author Benjamin Franzke Updated 04/23/26, 14:07 Affected Files 3 Patchsets 7 Reviews 4 Verifies 4	Merged #93817 [BUGFIX] Adapt IRRE/files toggle switch for invertStateDisplay 13.4 Author Benjamin Franzke Updated 04/23/26, 14:07 Affected Files 5 Patchsets 2 Reviews 2 Verifies 2
Merged #93826 [TASK] Clarify package cache identifier generation test Author Helmut Hummel Updated 04/24/26, 06:21 Affected Files 1 Patchsets 2 Reviews 6 Verifies 7	Merged #93835 [TASK] Clarify package cache identifier generation test 13.4 Author Helmut Hummel Updated 04/24/26, 12:07 Affected Files 1 Patchsets 2 Reviews 2 Verifies 2
Merged #92627 [TASK] Update to typo3-documentation/render-guides 0.37 Author Garvin Hicking Updated 04/27/26, 07:07 Affected Files 1 Patchsets 8 Reviews 3 Verifies 3	Merged #93842 [TASK] Update to typo3-documentation/render-guides 0.37 13.4 Author Garvin Hicking Updated 04/27/26, 07:07 Affected Files 1 Patchsets 2 Reviews 2 Verifies 2
Merged #93849 [DOCS] Correct $view in Breaking-96812 ReST Author Garvin Hicking Updated 04/27/26, 13:44 Affected Files 1 Patchsets 3 Reviews 4 Verifies 4	Merged #93851 [DOCS] Correct $view in Breaking-96812 ReST 13.4 Author Garvin Hicking Updated 04/27/26, 13:44 Affected Files 1 Patchsets 2 Reviews 2 Verifies 2
Merged #93882 [TASK] Normalize backslashes in ZipService::verify() Author Oliver Hader Updated 04/30/26, 06:24 Affected Files 2 Patchsets 3 Reviews 3 Verifies 3	Merged #93888 [TASK] Normalize backslashes in ZipService::verify() 13.4 Author Oliver Hader Updated 04/30/26, 06:25 Affected Files 2 Patchsets 2 Reviews 2 Verifies 2
Merged #93877 [TASK] Update phpstan to 2.1.54 Author Christian Kuhn Updated 05/02/26, 10:28 Affected Files 6 Patchsets 9 Reviews 4 Verifies 4	Merged #93885 [TASK] Update phpstan to 2.1.54 13.4 Author Christian Kuhn Updated 05/02/26, 10:28 Affected Files 7 Patchsets 5 Reviews 2 Verifies 2
Merged #93847 [BUGFIX] Cast group identifier to string in foreach key variable Author Christian Kuhn Updated 05/02/26, 10:50 Affected Files 2 Patchsets 2 Reviews 5 Verifies 4	Merged #93905 [BUGFIX] Cast group identifier to string in foreach key variable 13.4 Author Christian Kuhn Updated 05/02/26, 10:50 Affected Files 2 Patchsets 2 Reviews 2 Verifies 2
Merged #93912 [BUGFIX] Avoid false-positive "version of a version" in DataHandler Author Christian Kuhn Updated 05/02/26, 21:57 Affected Files 10 Patchsets 4 Reviews 4 Verifies 4	Merged #93922 [BUGFIX] Avoid false-positive "version of a version" in DataHandler 13.4 Author Christian Kuhn Updated 05/02/26, 21:57 Affected Files 10 Patchsets 2 Reviews 2 Verifies 2
Merged #93054 [BUGFIX] Add table name before fieldName for makeSearchString Author Christian Kuhn Updated 05/04/26, 05:45 Affected Files 1 Patchsets 5 Reviews 3 Verifies 3	Merged #93909 [BUGFIX] Add table name before fieldName for makeSearchString 13.4 Author Christian Kuhn Updated 05/02/26, 15:46 Affected Files 1 Patchsets 2 Reviews 2 Verifies 2
Merged #93891 [BUGFIX] Ensure indexed_search does not throw exceptions Author Stefan Bürk Updated 05/05/26, 10:16 Affected Files 1 Patchsets 4 Reviews 4 Verifies 3	Merged #93983 [BUGFIX] Ensure indexed_search does not throw exceptions 13.4 Author Stefan Bürk Updated 05/05/26, 10:16 Affected Files 1 Patchsets 2 Reviews 2 Verifies 2
Merged #93994 [TASK] Remove experimental flag from PageInformation class Author Garvin Hicking Updated 05/05/26, 22:54 Affected Files 2 Patchsets 2 Reviews 4 Verifies 4	Merged #94000 [TASK] Remove experimental flag from PageInformation class 13.4 Author Garvin Hicking Updated 05/06/26, 04:46 Affected Files 2 Patchsets 2 Reviews 2 Verifies 2
Merged #93890 [TASK] Upgrade php-cs-fixer ruleset to @PER-CS3x0 Author Benni Mack Updated 05/06/26, 08:52 Affected Files 358 Patchsets 4 Reviews 4 Verifies 4	Merged #94004 [TASK] Upgrade php-cs-fixer ruleset to @PER-CS3x0 13.4 Author Christian Kuhn Updated 05/06/26, 13:31 Affected Files 413 Patchsets 3 Reviews 2 Verifies 2
Merged #93273 [BUGFIX] Fix site route matching for slugs identical to site path Author Stefan Bürk Updated 05/07/26, 09:58 Affected Files 4 Patchsets 5 Reviews 4 Verifies 4	Merged #94017 [BUGFIX] Fix site route matching for slugs identical to site path 13.4 Author Stefan Bürk Updated 05/07/26, 09:59 Affected Files 4 Patchsets 2 Reviews 2 Verifies 2
Merged #94042 [BUGFIX] Fix invalid class path for PHPStorm meta Author Garvin Hicking Updated 05/10/26, 16:55 Affected Files 1 Patchsets 5 Reviews 3 Verifies 3	Merged #94045 [BUGFIX] Fix invalid class path for PHPStorm meta 13.4 Author Garvin Hicking Updated 05/10/26, 16:55 Affected Files 1 Patchsets 2 Reviews 2 Verifies 2
Merged #93773 [BUGFIX] Restore usable drag and drop in long page module views Author Oli Bartsch Updated 05/11/26, 12:45 Affected Files 3 Patchsets 7 Reviews 5 Verifies 5	#94058 [BUGFIX] Restore usable drag and drop in long page module views 13.4 Author Matthias Vogel Updated 05/11/26, 13:13 Affected Files 3 Patchsets 3 Reviews 1 Verifies 1
Merged #93797 [BUGFIX] Apply alias adaptation when warming backend module cache Author Benni Mack Updated 05/11/26, 14:06 Affected Files 2 Patchsets 5 Reviews 5 Verifies 4	#94055 [BUGFIX] Apply alias adaptation when warming backend module cache 13.4 Author Benni Mack Updated 05/11/26, 12:42 Affected Files 2 Patchsets 1 Reviews Verifies