Protected: Collabora Online 26.04 – Your Documents, Your AI, Your Decade of Data Sovereignty
Big day for us: Collabora Online 26.04 is out, our major annual release for 2026. And it’s a special one, because this year marks ten years of Collabora Online. A decade of open source, privacy-respecting document collaboration, and we’re just getting started.
Read the full release announcement: Collabora Online 26.04 – Your Documents, Your AI, Your Decade of Data Sovereignty - Collabora Online and Collabora Office
A few highlights:
Optional AI assistance in Writer, Calc and Impress, on your terms
Richer document comparison and review workflows
New functions, formatting and per-user views in Calc
Improved collaborative presenting in Impress
Accessibility improvements, including BITV 2.0 certification
Continued interoperability, performance and usability improvements
We’re also hosting a free webinar on 10 September 2026 at 15:00 CEST if you’d like a guided tour of what’s new: What’s New in Collabora Office 26.04: Live Feature Tour - Collabora Online and Collabora Office
As always, huge thanks to everyone in the community who contributed, tested, reported bugs, and shared feedback. All the code is open source on our Gerrit server, and if you’d like to get involved, the easy hacks are a great place to start.
Try it out and tell us what you think, we’d love to hear your feedback here on the forum!
Happy Hacking 