Release date: 2026-01-27
We released OpenProject OpenProject 16.6.6. The release contains security related bug fixes and we strongly urge you to update to the newest version. Below you will find a complete list of all changes and bug fixes.
Getting started
Learn about the first steps
with OpenProject
User guide
In-depth guide of all features
in OpenProject
FAQ
General frequently asked questions
Use Cases
Detailed step-by-step instructions
Glossary
A dictionary of project management terms
Enterprise edition guide
Manage your OpenProject
Enterprise edition
Project management guide
Learn about project management
with OpenProject
Security & privacy
Data protection and information security are of central importance for the OpenProject team.
Contributions Guide
Learn how to contribute to OpenProject
System admin guide
Learn how to configure your
OpenProject
Release Notes
See the latest changes
in OpenProject
BIM Guide
Additional BIM features for construction teams
Installation and operations guide
Find out how to install
and operate OpenProject
Development
Learn about how to contribute
to OpenProject
API
Learn about the API
powering OpenProject
Installing OpenProject
Learn how to download and install OpenProject on your own servers.
Enterprise add-ons
Find out about the OpenProject Enterprise add-ons to boost your project management.
OpenProject hosting
Get started easily with OpenProject hosting from the experts.
Support
Find out how to get maintenance and support for OpenProject in your organization.