Here is a list of what was fixed since 12.4.17:

• 2024-08-13 abd0e7701a0 [RELEASE] Release of TYPO3 12.4.18 (thanks to Oliver Hader)
• 2024-08-12 e1e1454096f [TASK] Deal with sebastian/comparator:5.0.2 (thanks to Christian Kuhn)
• 2024-08-12 b485331363a [TASK] Update flag-icons and friends (August 2024) (thanks to Andreas Kienast)
• 2024-08-12 08a6db7ec1d [TASK] Update codemirror and friends (August 2024) (thanks to Andreas Kienast)
• 2024-08-10 c4f8893120a [TASK] Sanitize idn_to_ascii with empty string (thanks to Christian Kuhn)
• 2024-08-10 0dec747369f [TASK] Stabilize FileClipboardCest ac test (thanks to Christian Kuhn)
• 2024-08-09 103eb818e08 [BUGFIX] Do not use DI service id for logging channel (thanks to Markus Klein)
• 2024-08-09 e8588f232c3 [TASK] Stabilize InlinePagesLocalizeResourceCest ac test (thanks to Christian Kuhn)
• 2024-08-08 28f43ec2875 [TASK] Raise phpstan/phpstan:^1.11.10 (thanks to Christian Kuhn)
• 2024-08-08 50333fad195 [TASK] Don't redraw workspace table on search input focus (thanks to Willi Wehmeier)
• 2024-08-07 d95507f13ff [BUGFIX] Wrap requiring calls in methods to avoid errors (thanks to Georg Ringer)
• 2024-08-07 701c66f9a77 [BUGFIX] Prevent PHP array access errors on invalid shortcut entries (thanks to Garvin Hicking)
• 2024-08-07 71c9e1906c0 [BUGFIX] Replace hardcoded attributes for <span> tags (thanks to Bastian Stargazer)
• 2024-08-06 9a383ac4262 [TASK] Improve accessibility of "Dashboard" backend module (thanks to Christian Rath-Ulrich)
• 2024-08-06 f28a473b998 [BUGFIX] Avoid history view crashes with FlexForm records (thanks to Benni Mack)
• 2024-08-06 6760aade9cb [TASK] Avoid type error in FileCollector (thanks to Christian Kuhn)
• 2024-08-06 0aed1600c6a [TASK] Provide list of available locales in Install Tool (thanks to Georg Ringer)
• 2024-08-06 90d63485439 [TASK] Improve accessibility in ClearCacheToolbar dropdown (thanks to Christian Rath-Ulrich)
• 2024-08-06 36e5ed9a337 [TASK] Raise composer/composer:^2.7.7 (thanks to Christian Kuhn)
• 2024-08-06 e431f690ae6 [BUGFIX] Update vulnerable dev dependencies (npm, issue 2024-08) (thanks to Andreas Kienast)
• 2024-08-06 5b66a502f0d [TASK] Use mock timers in notification test (thanks to Andreas Kienast)
• 2024-08-06 271d9e7102e [BUGFIX] Increase accessibility of the login screen (thanks to Christian Rath-Ulrich)
• 2024-08-06 572eacca35a [TASK] Don't show dropzone when using Upload button (thanks to Andreas Nedbal)
• 2024-08-06 12b44667546 [BUGFIX] Allow users w/o permissions on def lang to render CEs (thanks to Hannes Lau)
• 2024-08-06 35114da8db5 [TASK] Log email for unsuccessful backend user password recovery (thanks to Oliver Hader)
• 2024-08-06 c1d0aa66b36 [BUGFIX] Fix contrast of copyright notice in the footer of the login screen (thanks to Christian Rath-Ulrich)
• 2024-08-06 2b6f1d503d7 [TASK] Add visually-hidden label to CheckboxToggleElement (thanks to Christian Rath-Ulrich)
• 2024-08-06 ea716c94099 [TASK] Reference column headings in grid cells of "Page" module (thanks to Christian Rath-Ulrich)
• 2024-08-06 a2d0e3859ee [BUGFIX] Avoid exceptions due to non-HTTP URI values in CSP reporter (thanks to Oliver Hader)
• 2024-08-06 365480f36ec [DOCS] Handle FormDefinitions separately (thanks to Stefan Froemken)
• 2024-08-06 d27ffe42b4c [BUGFIX] Fixed execution of scheduler tasks directly after stopping them (thanks to mschmigotzki)
• 2024-08-06 178f336bf79 [TASK] Consider soft delete in file reference delete method (thanks to Torben Hansen)
• 2024-08-06 070694a466d [BUGFIX] Add CSP headers to error pages (thanks to Georg Ringer)
• 2024-08-06 5b2ad55ff78 [BUGFIX] Mitigate change detection loop for enum and set fields (thanks to Stefan Bürk)
• 2024-08-06 e716082f25a [BUGFIX] Add missing additionalAttributes to Fieldset (thanks to Henrik Ziegenhain)
• 2024-08-05 4b0cb23cb70 [TASK] Add "Page Content:Type" in BE user information module (thanks to Georg Ringer)
• 2024-08-03 389748946c8 [BUGFIX] Enable inline arrangement of checkboxToggle (thanks to Corinne van der Zande)
• 2024-08-03 c1451110896 [BUGFIX] Correctly infer site for new page (thanks to Mathias Bolt Lesniak)
• 2024-08-02 79de4fd4d81 [BUGFIX] Fix "simulate user group" in admin panel on restricted pages (thanks to Bastien Lutz)
• 2024-08-02 6882f82e7af [BUGFIX] Do not limit auto creation of site config to root level (thanks to Oliver Bartsch)
• 2024-08-02 90e2e1ea6df [BUGFIX] Set current phpstan release conflicting (thanks to Anja Leichsenring)
• 2024-08-01 2bfd1408715 [BUGFIX] Fix wrong Fluid namespace in EXT:felogin partials (thanks to Marcel Küpper)
• 2024-08-01 b23c43fe946 [TASK] Ship optional upstream CKEditor5 plugins (thanks to Georg Ringer)
• 2024-07-31 402e2fe770b [BUGFIX] Prevent error in idn_to_ascii (thanks to Markus Sommer)
• 2024-07-31 7f05bd23fbc [BUGFIX] Ensure a correct default storage is used by default (thanks to Georg Ringer)
• 2024-07-31 93ef207d7be [TASK] Update Fluid Standalone to 2.14.1 (thanks to Simon Praetorius)
• 2024-07-30 6a90d69d162 [BUGFIX] Use proper query for specific belog "Delete similar errors" (thanks to Garvin Hicking)
• 2024-07-29 e7a9d3b580d [BUGFIX] Provide null coalesce operator for array_pop (thanks to Thomas Hohn)
• 2024-07-26 c90c77bd1e8 [TASK] Raise guzzle (thanks to Christian Kuhn)
• 2024-07-26 0f27f51dfe8 [TASK] Raise typo3/html-sanitizer:^2.2.0 (thanks to Christian Kuhn)
• 2024-07-25 054e4b90ed1 [BUGFIX] Fix variable key loop to avoid DB compare issues (thanks to Stefan Bürk)
• 2024-07-25 df7faf0184a [TASK] Update core-testing-php84 image version in runTests.sh (thanks to Stefan Bürk)
• 2024-07-25 4dd6c9e4185 [TASK] Raise phpstan/phpstan:^1.11.8 (thanks to Christian Kuhn)
• 2024-07-25 295c7868e29 [TASK] Display additional error info in DataStructureIdentifierListener (thanks to Garvin Hicking)
• 2024-07-25 69f529ea479 [TASK] Reduce phpstan memory usage (thanks to Christian Kuhn)
• 2024-07-25 752ecd62701 [BUGFIX] Allow DH::inlineLocalizeSynchronize for tables without WS (thanks to Benni Mack)
• 2024-07-25 f0f2b58e749 [BUGFIX] Free ext:form ConfirmationFinisher COR calls from extbase (thanks to Markus Klein)
• 2024-07-25 ce5c8c2654a [TASK] runTests.sh: Show phpstan memory consumption (thanks to Christian Kuhn)
• 2024-07-24 44d8fcd65e9 [BUGFIX] Show to top/bottom icons if size of element is 2 or greater (thanks to Georg Ringer)
• 2024-07-24 f778344689a [BUGFIX] Return always an integer in ProcessedFile::getSize (thanks to Georg Ringer)
• 2024-07-24 ae4e8ae2a1d [TASK] Update requirejs to 2.3.7 (thanks to Andreas Kienast)
• 2024-07-23 2dc0ba1d660 [DOCS] Correct method references in deprecation tag (thanks to Lina Wolf)
• 2024-07-19 b31d9e8dd5c [DOCS] Define reference index in ManageReferenceIndex.rst (thanks to Sandra Erbel)
• 2024-07-19 6d17d1b78cc [TASK] Mitigate Browser "spell jacking" in felogin changePassword (thanks to Stephan Großberndt)
• 2024-07-19 700ade1b6e2 [TASK] Improve argument description in PasswordViewHelper (thanks to Stephan Großberndt)
• 2024-07-19 edb65e9c871 [TASK] Do not register runTests.sh trap in CI (thanks to Stefan Bürk)
• 2024-07-19 ff4d9e4a5f5 [TASK] Increase SUFFIX uniqueness in runTests.sh for CI (thanks to Stefan Bürk)
• 2024-07-19 19bcf691860 [BUGFIX] Avoid undefined array key warning in BackendUserAuthentication (thanks to Oliver Hader)
• 2024-07-19 2eedd4585d1 [TASK] Use ISO8601 dates in FormEngine datetime handling (thanks to Andreas Kienast)
• 2024-07-19 d325006b19c [BUGFIX] Remove not needed usage of RawViewHelper (thanks to Georg Ringer)
• 2024-07-19 e7a4125822d [DOCS] Properly refer to "loadJavaScriptModule" in Changelog (thanks to Garvin Hicking)
• 2024-07-18 a0feba23265 [BUGFIX] Do not reference Fluid namespace with https URL (thanks to Markus Klein)
• 2024-07-18 95da835a7e2 [BUGFIX] Use button-tags for the control-buttons of sortable select items (thanks to Ayke Halder)
• 2024-07-15 4c3b3c85b91 [BUGFIX] Fix pid constraint for suggestOptions (thanks to Georg Ringer)
• 2024-07-15 1779d90c776 [TASK] Disable unneeded livereload server in grunt-watch (thanks to Benjamin Franzke)
• 2024-07-13 c7b62d663c8 [BUGFIX] Fix composer PackageArtifact packagePath resolve for root pkgs (thanks to Garvin Hicking)
• 2024-07-13 7841525107e [BUGFIX] Translate Content Type labels if retrieved from fallback (thanks to Nikita Hovratov)
• 2024-07-12 acc36c64fcb [TASK] Add PHP 8.4 lint to CI (thanks to Christian Kuhn)
• 2024-07-12 b44f314f7dd [TASK] Raise psr/http-factory:^1.1.0 (thanks to Christian Kuhn)
• 2024-07-12 f4f0ddb44d6 [TASK] Raise typo3fluid/fluid:^2.13.0 (thanks to Christian Kuhn)
• 2024-07-12 4ea5616b963 [TASK] Add distinct warning when CType element preview has no label (thanks to Garvin Hicking)
• 2024-07-12 43580abe83d [DOCS] Adapt EXT:seo documentation for current terminology (thanks to Garvin Hicking)
• 2024-07-12 ac2ad8c2fe9 [TASK] Properly set bcrypt cost (thanks to Christian Kuhn)
• 2024-07-12 fdb560da6e5 [TASK] Raise phpunit as PHP 8.4 preparation (thanks to Christian Kuhn)
• 2024-07-12 2543004c72b [BUGFIX] Add missing instance check in ResourceStorage (thanks to Georg Ringer)
• 2024-07-12 7fa8ee97344 [BUGFIX] Properly handle boolean attribute in language packs (thanks to Oliver Bartsch)
• 2024-07-12 2e55da79d05 [BUGFIX] Do not use getIconHtml() for other language thumbnail (thanks to Oliver Bartsch)
• 2024-07-12 0d6c6d26c30 [BUGFIX] Do not forcibly add softhyphen toolbar item in CKEditor (thanks to Torben Hansen)
• 2024-07-11 aef4a8e639e [BUGFIX] Do not redirect to password reset after successful login (thanks to Xavier Perseguers)
• 2024-07-11 426384176fa [BUGFIX] Prevent multiple FlexContainers of same name (thanks to Georg Ringer)
• 2024-07-10 d4f20bb7e6b [BUGFIX] Prevent TypeError int values of backend user settings (thanks to Daniel Siepmann)
• 2024-07-10 04d458723b6 [BUGFIX] Add missing sortable folder timestamps to filelist view (thanks to Garvin Hicking)
• 2024-07-10 1125d4dcb6c [BUGFIX] Provide luxon-compatible format token for aria labels in flatpickr (thanks to Andreas Kienast)
• 2024-07-09 4eb891f990e [TASK] composer u lolli42/finediff (thanks to Christian Kuhn)
• 2024-07-09 a77ae390e72 [TASK] Use explicit flatpickr types (thanks to Andreas Kienast)
• 2024-07-09 a8d62d5d137 [TASK] Allow PHP 8.4 in runTests.sh (thanks to Stefan Bürk)
• 2024-07-09 fea0159222b [BUGFIX] Reinitialize ContentObjectRenderer for pages (thanks to Daniel Siepmann)
• 2024-07-09 20f2dac2759 [TASK] Set TYPO3 version to 12.4.18-dev (thanks to Oliver Hader)