TYPO3 14.3.1—What’s Changed?

Released: May 12, 2026
Update type: Bugfix and maintenance release

TYPO3 14.3.1 is a maintenance release that addresses numerous bugs and stability issues discovered since 14.3.0. This release includes important fixes for the page module drag-and-drop functionality, scheduler task execution, installation process improvements, and various backend usability enhancements. No security vulnerabilities are addressed in this release.

Security Fixes

No security fixes in this release.

Editing & UX Improvements

  • Page module drag and drop restored — Fixed usable drag and drop functionality in long page module views.
  • Improved form deletion messages — Enhanced user feedback when deleting forms in ext:form.
  • Better button visibility — Improved visibility of the save button in extension settings.
  • Page creation wizard positioning — Fixed honor of insertPosition parameter when creating new pages.
  • Relaxed size constraints — Improved layout of page creation wizard and live search dialogs.
  • Vertical button alignment — Restored proper vertical alignment of button groups throughout the backend.

Backend & Administration

  • Scheduler task execution fixes — Resolved issues with task execution logging and update capabilities.
  • Installation process improvements — Fixed encryption key generation during initial setup and proper package setup timing.
  • Backend module cache warming — Corrected alias adaptation when warming the backend module cache.
  • Install tool stability — Fixed crashes on login warning emails and improved auto-generated password output.
  • User settings improvements — Fixed avatar upload with partitioned field names and merged deprecated user settings properly.
  • Memory limit increase — Raised minimum memory requirement to 256MB and recommended to 512MB.

Technical Changes

  • TypoScript multibyte support — Fixed handling of multibyte characters in TypoScript configuration.
  • Cache lifetime calculations — Allowed calculated cache lifetimes higher than 24 hours.
  • Page cache invalidation — Added proper cache invalidation on project path changes.
  • Site route matching — Fixed route matching for slugs identical to site path.
  • Testing framework migration — Migrated numerous Codeception tests to Playwright for improved stability.
  • DataHandler improvements — Avoided false-positive “version of a version” warnings in DataHandler operations.
  • PHP-CS-Fixer upgrade — Updated ruleset to @PER-CS3x0 standard.