Here is a list of what was fixed since 12.4.9:

• 2024-01-16 d07cbbfea1 [RELEASE] Release of TYPO3 12.4.10 (thanks to Oliver Hader)
• 2024-01-16 82dc46cc78 [DOCS] Remove invalid configuration option from SMTP upgrade example (thanks to Benjamin Franzke)
• 2024-01-14 570d83b66b [BUGFIX] Add missing label for RedirectsCleanupCommand statusCode (thanks to Anja Leichsenring)
• 2024-01-14 9b891c58ec [TASK] Update UploadedFile.php (thanks to Thore)
• 2024-01-14 3f8710ce58 [TASK] Fix comment in convertDatabaseRowValuesToPhp (thanks to Nikita Hovratov)
• 2024-01-12 c17e797898 [BUGFIX] Update doctrine/dbal to ensure performance bugfix (thanks to Stefan Bürk)
• 2024-01-12 8889d55ba3 [BUGFIX] Use DataHandler->log consistently (thanks to Benni Mack)
• 2024-01-12 994d152d4f [BUGFIX] Allow SelectItem to be used in registerPlugin syntax (thanks to Benni Mack)
• 2024-01-11 b638cefbe3 [TASK] Explicitly style gap between Content Element header icons (thanks to Nikita Hovratov)
• 2024-01-11 ff9d301104 [TASK] Update lit packages (thanks to Andreas Kienast)
• 2024-01-11 9f64e5165c [BUGFIX] Allow all records on recycler pages (thanks to Benni Mack)
• 2024-01-11 5ea3e67b98 [TASK] Update typescript and friends (thanks to Andreas Kienast)
• 2024-01-10 036c2e3611 [TASK] Avoid invalid datetime database default in a test (thanks to Stefan Bürk)
• 2024-01-10 931fc9a785 [BUGFIX] Properly handle unknown link type (thanks to Oliver Bartsch)
• 2024-01-09 17bab36551 [BUGFIX] Prevent text wrap of title for file reference container (thanks to Torben Hansen)
• 2024-01-09 d84789f65b [BUGFIX] Migrate legend configuration of chart widgets (thanks to Oliver Bartsch)
• 2024-01-09 56a81d6e46 [TASK] Avoid hard-coded table tt_content in GridColumnItem (thanks to Nikita Hovratov)
• 2024-01-09 55794e45cb [BUGFIX] Check all method for existence in OpcodeCacheService (thanks to Stefan Bürk)
• 2024-01-09 8096733e2d [BUGFIX] Use configured languageField in context menu item providers (thanks to Oliver Bartsch)
• 2024-01-09 98193c9042 [TASK] Update flag-icons and related build packages (thanks to Andreas Kienast)
• 2024-01-09 7743cb093c [TASK] Raise node version to 18.19 (thanks to Andreas Kienast)
• 2024-01-09 5185f3076e [TASK] Update core-testing-* images version (thanks to Stefan Bürk)
• 2024-01-08 861096e4a0 [TASK] Update luxon to 3.4.4 (thanks to Andreas Kienast)
• 2024-01-08 a27be54db2 [TASK] Update JavaScript testing suite (thanks to Andreas Kienast)
• 2024-01-08 c6c43cb33b [TASK] Update sortablejs to 1.15.1 (thanks to Andreas Kienast)
• 2024-01-08 fed6200a19 [TASK] Fix typo in CSP module description (thanks to Peter Kraume)
• 2024-01-08 194f56b0d1 [BUGFIX] Allow redirects to special no module routes (thanks to Oliver Bartsch)
• 2024-01-07 c1d6f8870a [TASK] Implement missing delete functionality for FileReference (thanks to Torben Hansen)
• 2024-01-06 0f5205efb4 [BUGFIX] Do not show deleted page translation in page module in WS (thanks to Benni Mack)
• 2024-01-06 81de9ac1b3 [TASK] Assert result based on symfony version in deprecated code tests (thanks to Stefan Bürk)
• 2024-01-06 822eb0e846 [TASK] Upgrade typo3/cms-styleguide (thanks to Stefan Bürk)
• 2024-01-06 e64fbb78b7 [TASK] Update phpstan/phpstan:^1.10.51 (thanks to Anja Leichsenring)
• 2024-01-05 d250d1f657 [BUGFIX] Fetch original file from file reference in ThumbnailViewHelper (thanks to Oliver Bartsch)
• 2024-01-05 8c40ce022b [TASK] Exclude thumbnails from screen readers in file list module (thanks to Christian Rath-Ulrich)
• 2024-01-05 82dbb4fe3f [BUGFIX] Use defined languageField in DataHandler (thanks to Oliver Bartsch)
• 2024-01-05 fbd25fd7ec [BUGFIX] Prevent InvalidArgumentException in user constraints calculation (thanks to Oliver Bartsch)
• 2024-01-04 8cdf638067 [TASK] Streamline indentation of arrays and comments (thanks to Benni Mack)
• 2024-01-04 b03970d94d [TASK] Allow usage of symfony 7 (thanks to Benni Mack)
• 2024-01-04 5a4a17fa19 [TASK] Update locales translation files (thanks to Anja Leichsenring)
• 2024-01-03 80be67711d [BUGFIX] Show creator name in element information modal (thanks to Jasmina Ließmann)
• 2024-01-03 a951aef39a [TASK] Update copyright year in README.md and INSTALL.md (thanks to Torben Hansen)
• 2024-01-03 d6ab2e28a8 [TASK] Update @codemirror and friends (thanks to Andreas Kienast)
• 2024-01-03 b4c06428e5 [BUGFIX] Respect empty alt attribute in ImageViewhelper (thanks to Oliver Bartsch)
• 2024-01-01 b32e985b5c [BUGFIX] Do not render empty link explanation callout (thanks to Oliver Bartsch)
• 2023-12-30 202edbf731 [TASK] Update core-testing-phpXY images version (thanks to Stefan Bürk)
• 2023-12-28 465622956f [TASK] Align error handler tests with changed PHPUnit behavior (thanks to Stefan Bürk)
• 2023-12-26 b61dfba9df [BUGFIX] Omit calling getRecordWSOL in BU::getProcessedValue() (thanks to Oliver Bartsch)
• 2023-12-22 ae2739dd1f [DOCS] Add documentation for sys_note (thanks to florian.thiele)
• 2023-12-22 b9cabb72c2 [TASK] Add strict parameter to base64url decode (thanks to Oliver Hader)
• 2023-12-22 72f257222e [BUGFIX] Prevent 'Undefined array key' in FileDeletionAspect (thanks to Oliver Bartsch)
• 2023-12-21 8e54ff8ebb [BUGFIX] Avoid PHP warning when checking TCA hideTable (thanks to Markus Klein)
• 2023-12-21 e565bf50b6 [TASK] Streamline the PHPUnit configuration files (thanks to Oliver Klee)
• 2023-12-21 8b5fffdd36 [DOCS] Fix code example in comment of UserSessionManager (thanks to Chris Müller)
• 2023-12-20 bdd2a5bac8 [TASK] Notify user about forced module redirect (thanks to Oliver Bartsch)
• 2023-12-20 8c81e38b5d [TASK] Provide more information to itemsProcFunc calls (thanks to Georg Ringer)
• 2023-12-20 db22f222fe [BUGFIX] Consider URL encoded values for addQueryString.exclude (thanks to Oliver Hader)
• 2023-12-20 0a9b6282be [BUGFIX] Prevent Undefined array key debugMode in Indexer (thanks to Oliver Bartsch)
• 2023-12-19 9fa175c01e [TASK] Ensure removing dangling images works with podman (thanks to Stefan Bürk)
• 2023-12-19 390092d83f [BUGFIX] No "update storage index" FAL task fail with too many records (thanks to Garvin Hicking)
• 2023-12-19 5e2a9d4ea2 [TASK] Sanitize embedded HTML in Installation-Wide Configuration GUI (thanks to Benjamin Franzke)
• 2023-12-19 48d746eb29 [BUGFIX] Avoid type errors in ResourceFactory methods (thanks to Stefan Bürk)
• 2023-12-18 5dc850cff0 [BUGFIX] Add sufficient role and aria attributes (thanks to Christian Rath-Ulrich)
• 2023-12-18 b5c54bccb9 [BUGFIX] Prevent TypeError in FileSearchDemand (thanks to Oliver Bartsch)
• 2023-12-18 d54560bac3 [BUGFIX] Display inherited module workspace access restriction (thanks to Oliver Bartsch)
• 2023-12-18 ca85d36da7 [BUGFIX] Fix access restrictions of scheduler sub modules (thanks to Oliver Bartsch)
• 2023-12-18 f31fd1f534 [BUGFIX] Prevent exception for invalid file link (thanks to Oliver Bartsch)
• 2023-12-18 38063d6e38 [DOCS] Prevent PHP 8.1 issues for formValues usage (thanks to Henrik Elsner)
• 2023-12-18 7851524870 [BUGFIX] Fix backend layout lookup in page info module (thanks to Torben Hansen)
• 2023-12-17 5ceb5f5a05 [BUGFIX] Fix error copying pages with outdated user permissions (thanks to Georg Ringer)
• 2023-12-16 db882a063a [TASK] Update chart.js library to 4.4.0 (thanks to Oliver Bartsch)
• 2023-12-15 3f25e7ffa4 [BUGFIX] Properly handle module access for workspaces (thanks to Oliver Bartsch)
• 2023-12-14 9a41fb0a27 [BUGFIX] Consider empty or invalid password policy reference (thanks to Oliver Hader)
• 2023-12-13 e4105acedf [TASK] Extract registration of controller actions into separate method (thanks to Nikita Hovratov)
• 2023-12-12 12f6726830 [BUGFIX] Expose import file in BeforeImportEvent (thanks to Oliver Bartsch)
• 2023-12-12 a26f2dbe93 [BUGFIX] Avoid exception on trailing comma in include_static_file.txt (thanks to Thomas Hohn)
• 2023-12-12 731e9acb92 [TASK] Set TYPO3 version to 12.4.10-dev (thanks to Benni Mack)