You had to wait quite long for this release - but here it is!
Please note that this release is not just bug fixes and improvements, but also a security release!
Updating is highly encouraged!
You can find our news post here: https://zammad.com/news/release-2-9
A detailed Changelog can be found here: https://github.com/zammad/zammad/compare/2.8.0...2.9.0