Here is a list of what was fixed since 11.5.6:

• 2022-02-22 96afa84d5b [RELEASE] Release of TYPO3 11.5.7 (thanks to Oliver Hader)
• 2022-02-22 e43bff3568 [BUGFIX] Use proper Postgres types on inserting / updating rows (thanks to Stefan Bürk)
• 2022-02-22 72d16bc33c [TASK] Allow DI for extbase validators (thanks to Christian Kuhn)
• 2022-02-22 f08fe3462e [BUGFIX] Ignore empty values for table and uid in FilesContentObject (thanks to Nikita Hovratov)
• 2022-02-21 5907ff37d9 [TASK] Upgrade enshrined/svg-sanitize to ^0.15.4 (thanks to Oliver Hader)
• 2022-02-21 13950b841c [TASK] Use number field for period configuration in recycler scheduler task (thanks to Andreas Fernandez)
• 2022-02-21 e58e14e313 [BUGFIX] Fix session update with backend "Stay logged in" button (thanks to Benjamin Franzke)
• 2022-02-21 3556a068be [BUGFIX] Disallow negative periods in recycler scheduler task (thanks to Andreas Fernandez)
• 2022-02-20 d7aa615048 [TASK] Raise "php-webdriver/webdriver":"^1.12.0" (thanks to Stefan Bürk)
• 2022-02-20 65d17c9299 [BUGFIX] Show CSH popup window without backend frame (thanks to Benjamin Franzke)
• 2022-02-20 03e98de8dd [TASK] CI: Stop running SQL Server functional tests (thanks to Christian Kuhn)
• 2022-02-20 1f58607e02 [TASK] Resolve @todo in ElementsBasicInputTextTableCest (thanks to Nikita Hovratov)
• 2022-02-20 00e3fa61b7 [TASK] Remove leftover fieldControl property in TextTableElement (thanks to Nikita Hovratov)
• 2022-02-20 c0d4a9b82c [BUGFIX] Fix undefined array key in TextTableElement (thanks to Nikita Hovratov)
• 2022-02-19 d9658dff28 [BUGFIX] Fix PHP 8.1 warning in StoragePermissionsAspect (thanks to Benjamin Franzke)
• 2022-02-18 5987993d3d [BUGFIX] Check if vanillaUid is actually a real number (thanks to Georg Ringer)
• 2022-02-18 911503d18c [TASK] Streamline tab-handling in ElementsBasicInput cests (thanks to Benjamin Franzke)
• 2022-02-18 1d048aa01d [BUGFIX] Replace wrong routeIdentifier in example code (thanks to Oliver Bartsch)
• 2022-02-18 0dc6bcd4ca [DOCS] Correct User TSconfig example (thanks to Oliver Bartsch)
• 2022-02-17 e46af15291 [DOCS] Fix rate limiting configuration example (thanks to ochorocho)
• 2022-02-17 b179081ad0 [BUGFIX] Avoid autofocus on preselected useOrOverridePlaceholder fields (thanks to Benjamin Franzke)
• 2022-02-17 ee51504cfd [BUGFIX] Use clustered cache entries per domain for redirects (thanks to Stefan Bürk)
• 2022-02-17 19e53b7e60 [BUGFIX] Avoid PHP 8.0 undefined key in FormEngine (thanks to dev-rke)
• 2022-02-17 70c11b9e96 [DOCS] Fix header in RST file of #93023 (thanks to Elias Häußler)
• 2022-02-16 da36311794 [BUGFIX] Properly resolve field values in content preview (thanks to Oliver Bartsch)
• 2022-02-16 7fe3b506c4 [TASK] Change merge order of new content element wizard defVals (thanks to Oliver Bartsch)
• 2022-02-16 19df592f18 [BUGFIX] Prevent JS exception on using "Show hidden content" (thanks to Oliver Bartsch)
• 2022-02-15 538666408b [BUGFIX] Prevent undefined array key warnings in PageRepository (thanks to Oliver Bartsch)
• 2022-02-15 0b0f797136 [BUGFIX] Keep ADMCMD_simUser and ADMCMD_simTime in links (thanks to Benni Mack)
• 2022-02-15 05ce6d1311 [BUGFIX] Allow link to reports module (thanks to Benni Mack)
• 2022-02-15 1e57cbb6f2 [TASK] Clean up ext_emconf.php files (thanks to Oliver Bartsch)
• 2022-02-15 3c70c209aa [BUGFIX] Ignore deleted l10n_source records when translating (thanks to Susi Moog)
• 2022-02-15 c2e64335dd [TASK] Fix a couple of simple phpstan findings in tests (thanks to Christian Kuhn)
• 2022-02-14 95e580e225 [BUGFIX] Anonymize encoded tokens (thanks to Imko Schumacher)
• 2022-02-14 b7a6985305 [BUGFIX] Fix page position selector on root page (thanks to Markus Klein)
• 2022-02-14 00535a222f [TASK] Migrate more test fixtures to CSV (thanks to Susi Moog)
• 2022-02-14 3324deec81 [BUGFIX] Catch non-okayish responses in Modal requests (thanks to Andreas Fernandez)
• 2022-02-14 52db75db9a [BUGFIX] Make custom table styles more explicit (thanks to Oliver Bartsch)
• 2022-02-14 78d442e835 [BUGFIX] Fix notice in GridColumnItem (thanks to Georg Ringer)
• 2022-02-14 3ea317def3 [BUGFIX] Ensure PageRenderer utility scripts are cache invalidatable (thanks to Benjamin Franzke)
• 2022-02-14 02cf564c12 [BUGFIX] Consider spamProtectEmailAddresses markup in <f:link.email> (thanks to Oliver Hader)
• 2022-02-14 730bcd420d [BUGFIX] Fix typo in file download (thanks to Peter Kraume)
• 2022-02-12 b6cafe3dd8 [TASK] gitlab-ci: Merge 'early' state into 'main' (thanks to Christian Kuhn)
• 2022-02-12 d419081903 [TASK] Remove markTestIncomplete() functional tests (thanks to Christian Kuhn)
• 2022-02-12 142ed9863e [TASK] Use default GPLv2 LICENSE.txt file (thanks to Christian Kuhn)
• 2022-02-11 dba7bbed44 [BUGFIX] Reduce issues when linking to pages (thanks to Benni Mack)
• 2022-02-11 766139d128 [TASK] Avoid some phpstan warnings in EXT:scheduler (thanks to Chris Müller)
• 2022-02-11 df140e4c57 [BUGFIX] Prevent application type exception in ViewHelper (thanks to Oliver Bartsch)
• 2022-02-11 310d0f2234 [BUGFIX] Add hidden fields when opening collapsed IRRE elements (thanks to Maik Schneider)
• 2022-02-10 a8d4160641 [TASK] Migrate FilesContentObjectTest to functional test (thanks to Nikita Hovratov)
• 2022-02-10 860ddccf20 [TASK] Streamline request handling in frontend functional tests (thanks to Oliver Hader)
• 2022-02-10 7f84e62b8e [BUGFIX] Avoid undefined array key in UserInformationService (thanks to Anja Leichsenring)
• 2022-02-10 aaf5cb3ed3 [TASK] Avoid default type param in shortcut redirects (thanks to Oliver Hader)
• 2022-02-10 3cc6c3543e [TASK] Remove superfluous extraHidden variable from login template (thanks to Oliver Hader)
• 2022-02-10 665fde7cbd [BUGFIX] Prevent undefined array key in EXT:frontend classes (thanks to Oliver Bartsch)
• 2022-02-10 e5e2896a73 [DOCS] Mention "PackageArtifact.php" in Changelog entry (thanks to linawolf)
• 2022-02-09 41ed07ecf0 [BUGFIX] Avoid 'Undefined array key' warning in LinkValidator (thanks to Stefan Bürk)
• 2022-02-08 7021661658 [TASK] Add test case for markup in spamProtectEmailAddresses_atSubst (thanks to Oliver Hader)
• 2022-02-08 46e6481c14 [TASK] Set TYPO3 version to 11.5.7-dev (thanks to Oliver Hader)