TYPO3 7.6.21

Release Notes

Version 7.6.21

This version is not supported anymore.

The TYPO3 CMS community supported from 2015-11-10 until 2018-11-27. Extended security & compatibility support (ELTS) expired on 2022-11-30.

Please consider updating to a newer version.

Release Notes for TYPO3 CMS 7.6.21

This document contains information about TYPO3 CMS 7.6.21 which was released on July 25th, 2017.


This version is a maintenance release and contains bug fixes only.



SHA256 checksums

8ba70e31ca46b07dfc3afab8097130f7296c2f88b0d8b0ec42fe058987d79176  typo3_src-7.6.21.tar.gz
9f3f24841a9ff1a90e11fa574daa79a5531eb82b28333b0eda27e3da742b1c8d  typo3_src-7.6.21.zip


The usual upgrading procedure applies. No database updates are necessary.\ It might be required to clear all caches; the “important actions” section in the TYPO3 Install Tool offers the accordant possibility to do so.


Here is a list of what was fixed since [7.6.20](TYPO3_CMS_7.6.20 "wikilink"):

  • a32a598fd6 [RELEASE] Release of TYPO3 7.6.21
  • 8e3481842a [BUGFIX] CSS Styled Content should render image captions
  • 01e7df3850 [BUGFIX] Outdated resource pointers crash for TCA type group
  • 1cf77c844e [BUGFIX] Escape value in FormEngine.removeOption selector
  • 5f4b88e762 Revert "[BUGFIX] Escape value in FormEngine.removeOption selector"
  • 92e5bd5605 [BUGFIX] Unset file properties after signals are triggered
  • 9f85316808 [BUGFIX] MM Relation with add wizard resets the MM Relation
  • be38f08900 [BUGFIX] Escape value in FormEngine.removeOption selector
  • 7f452fc07f [BUGFIX] Don't duplicate thumbnails in file list and file selector
  • fb28d8de21 [BUGFIX] Replace empty value constants in TypoScript Object-Browser
  • 156334149a [BUGFIX] Add TER replacements for extracted extensions
  • 92fa10d9b2 [TASK] Set TYPO3 version to 7.6.21-dev

Package Signatures

TYPO3 Release Packages (the downloadable tarballs and zip files) as well as Git tags are signed using PGP signatures during the automated release process. Besides that, MD5 and SHA2-256 hashes are being generated for these files. Find more details on verifying signatures and hashes in the infrastructure guide.

Download GPG signed release README.md file

Example of verifying integrity of tar.gz package of current release:

wget --content-disposition https://get.typo3.org/7.6.21/tar.gz
wget --content-disposition https://get.typo3.org/7.6.21/tar.gz.sig
gpg --verify typo3_src-7.6.21.tar.gz.sig typo3_src-7.6.21.tar.gz