--- title: TYPO3 4.5alpha3 released url: "https://news.typo3.com/article/typo3-45alpha3-released" description: This week, the TYPO3 community released the third alpha version of TYPO3 4.5. image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg" date: 2026-06-11 modified: 2026-06-11 categories: - "Developer & Technology" --- # TYPO3 4.5alpha3 released - [Developer & Technology](https://news.typo3.com/article/category/developer-technology) TYPO3 4.5alpha3 released ======================== 20 October 2010 This week, the TYPO3 community released the third alpha version of TYPO3 4.5. - ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/bbf959d8e683550c90ae922aff9145d8.jpeg)[Ernesto Baschny & Steffen Kamper](https://news.typo3.com/article/author/ernesto-baschny-%26-steffen-kamper) This week, the TYPO3 community released the third alpha version of TYPO3 4.5. This alpha version is a "developer snapshot" to show the progress so far. **Development progress** The release plan for 4.5, the schedule and the planned projects are detailed in the [project wiki on forge](http://forge.typo3.org/projects/typo3v45-projects/wiki). For details about this particular release and the current progress, please read up on: **Downloads** We also have an introductionpackage for alpha3, which allows testing the new features right away on a fresh installation. Experienced users can of course opt to upgrade an existing installation to the new 4.5alpha3 version, but keeping in mind that this is still a snapshot of our development so far, and more changes and fixes will be included in further releases. You can download the Alpha packages from: **MD5 checksums:** ``` bc1b3bef9b68767151f5fd585bcf083d dummy-4.5.0alpha3.tar.gze3c9ead7cd6fe5da3760b77737675ce1 dummy-4.5.0alpha3.zip5d0685850f7c6d3b50eac91f999e6ba7 typo3_src-4.5.0alpha3.tar.gzc015da29b0f54249d565f991b3c7b5ef typo3_src-4.5.0alpha3.zipef866d803d55ea7074070685648f405c typo3_src+dummy-4.5.0alpha3.zip916ee96db93b80d1b74429b068569bb0 introductionpackage-4.5.0alpha3.tar.gz92ed2c818521287f484030f2b4cf4c72 introductionpackage-4.5.0alpha3.zip ``` ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/b5c88386e5b1d8fca79d0652427922d2.jpeg) About the Author [Ernesto Baschny & Steffen Kamper](https://news.typo3.com/article/author/ernesto-baschny-%26-steffen-kamper) [More posts by this author](https://news.typo3.com/article/author/ernesto-baschny-%26-steffen-kamper)