Omeka 2.2.1 is the first maintenance release in the 2.2 series. It was released on July 16, 2014. This is a security fix release, and users of earlier versions are recommended to upgrade.
- A cross-site scripting vulnerability on the API keys page
- A cross-site request forgery vulnerability on some user pages
- In the API, items belonging to non-public collections output non-working links to them
- Untitled collections will use "[Untitled]" instead of blank string where titles are needed (like Items do)