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TYPO3 4.5.2

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Release Notes for TYPO3 4.5.2

This document contains information about TYPO3 version 4.5.2 which was released on February 25, 2011.


This version is a maintenance release and contains bugfixes only. It solves some regressions which were introduced in 4.5.1. All users of 4.5.0 and 4.5.1 are strongly advised to upgrade.

Please note that since the release of 4.5.1, the development of the new (and old) Extension Manager is done again in the current typo3_src branch (in the main TYPO3 repository) so that there is no longer an external repository with the code. Also note that further issues with the Extension Manager should be posted on the regular bug tracker ( > Category "Extension Manager") instead of the external project on forge.


MD5 checksums

cad7fa2b4a4169e25318ae7f9f1a3e31  dummy-4.5.2.tar.gz
d9c8f325c9ad63437215792c17ac1676  typo3_src-4.5.2.tar.gz
bfa5024524a28fd5570f5b13b12045f9  introductionpackage-4.5.2.tar.gz


The usual upgrading procedure applies. No database updates are necessary.


Here is an ordered list of what was fixed since 4.5.1:

General Errors / Warnings

  • Fixed bug #17728: PHP warning in page module (e.g. in TemplaVoila) with active open_basedir
  • Fixed bug #17732: Install Tool doing Fatal error when APC PHP module is loaded (no session is stored)


  • Fixed bug 13340: pid and uid database fields are always 0
  • Fixed bug 13318: Regression in linkvalidator (Fatal Error)


  • Fixed bug #17431: "Show Page" in contextmenu results in new browser window (Thanks to Simon Schaufelberger)
  • Fixed bug #16788: Flexform inputfields remain empty due to javascript error (Thanks to Andreas Kiessling)

Extension Manager

  • Fixed bug #17772: Repository update deletes description of repository
  • Fixed bug 13310: PHP Warning "array_merge(): Argument #2 is not an array" in class.tx_em_settings.php
  • Fixed bug #17692: Updating translations does not work anymore
  • Fixed bug #17769: Wrong property for db updates
  • Fixed bug #17735: Class 'tx_em_XmlException' not found when Retrieve / Update
  • Fixed bug #17758: After update repository the info labels are not updated
  • Fixed bug 13309: Text on "Settings" tab needs more space
  • Fixed bug #17701: Regression: Generated t3x are corrupted

Past Release Notes

If you have skipped one or more versions while upgrading to this version, please make sure to read the ReleaseNotes of these versions as well.