--- title: TYPO3 10.4.20, 9.5.30 and 11.3.3 maintenance releases published url: "https://news.typo3.com/article/typo3-10420-9530-and-1133-maintenance-releases-published" description: The versions 10.4.20, 9.5.30 and 11.3.3 of the TYPO3 Enterprise Content Management System have just been released. image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg" date: 2026-06-11 modified: 2026-06-11 categories: - "Developer & Technology" - "Product Updates & Roadmap" --- # TYPO3 10.4.20, 9.5.30 and 11.3.3 maintenance releases published - [Developer & Technology](https://news.typo3.com/article/category/developer-technology) - [Product Updates & Roadmap](https://news.typo3.com/article/category/product-updates-roadmap) TYPO3 10.4.20, 9.5.30 and 11.3.3 maintenance releases published =============================================================== 16 August 2021 The versions 10.4.20, 9.5.30 and 11.3.3 of the TYPO3 Enterprise Content Management System have just been released. - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/b8266fdc667b773926c59081862ab148.jpeg)[Oliver Hader](https://news.typo3.com/article/author/oliver-hader) The following TYPO3 updates have been released: - TYPO3 10.4.20 LTS - TYPO3 9.5.30 LTS - TYPO3 11.3.3 These versions are maintenance release only, and fix various regressions regarding the introduced security enhancement from last week. Identified bugs have been fixed and some security measures have a proper mechanism to disable the functionality globally. In short: If you've set up TYPO3 with best practices you should be good to go. For more details about the regressions, read up: - Our latest statement regarding the issues surfaced after the release - [Troubleshooting & technical details collection](https://twitter.com/ohader/status/1425475911755911168) - [Tracking ticket for bug reports and corresponding pull-requests](https://forge.typo3.org/issues/94787) - [Pull-request to relax the sanitization behavior](https://review.typo3.org/q/I4aee54d712ce4758f6c9c2e64a43f80b6c076406) ### Further upgrade instructions No database upgrades are required for these maintenance releases. If you have a special configuration regarding insecure content, see our graphics chart of newly introduced settings and their behaviour. ### Download TYPO3 can be installed in various ways. For example the traditional way by using the source package at [get.typo3.org](https://get.typo3.org) or the modern way by setting up a project using composer, to name just two. Further details can be found in the according release notes: - - - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/cc7cba9757f98fbe05023a139119df74.jpeg) About the Author [Oliver Hader](https://news.typo3.com/article/author/oliver-hader) Core Developer at TYPO3 GmbH,Hof, Germany [Website](https://typo3.com)[Twitter](https://twitter.com/ohader)[LinkedIn](https://www.linkedin.com/in/oliverhader/)[Xing](https://www.xing.com/profile/Oliver_Hader) Oliver started to work with TYPO3 in 2005 and was fascinated by the product and its universe. Since 2007 he is member of the TYPO3 Core Team. After going back to university in 2014 for achieving a postgraduate master degree in internet web science, he is now researching on advanced web technology topics in general and for TYPO3 in particular. In his spare time, Oliver loves to go cycling cross-country in the uplands around Hof (Germany) in northern Bavaria - at the region where he's living as well. [More posts by this author](https://news.typo3.com/article/author/oliver-hader)