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---
layout: post
author: mkohlhase
title: "MMT Release 22"
tags:
- Announcements
---
After almost 18 months of development, [MMT](https://uniformal.github.io) - the flagship
system of the KWARC group - has been released in [version
22](https://github.com/UniFormal/MMT/releases/tag/v22.0.0).
The long development time of this release has been a consequence of the growing
inter-dependency of the system-near library and the system code, which led to serious
maintenance problems in the past. Another problem was that a lot of dead code had
accumulated over the last decade.
These problems have been addressed in version 22 (see the [release
notes](https://github.com/UniFormal/MMT/releases/tag/v22.0.0) for details) and we hope
that MMT can now serve as a much more stable basis for mathematical knowledge management
and we can return to a faster release cycle for the future.