Nuxeo EP 5.3 has recently been published as a release candidate (RC), and will soon become generally available (GA).
The full announcement, detailing the major new features in Nuxeo 5.3 wrt Nuxeo 5.2, is available on the Nuxeo corporate site.
Here is a short summary: the most notable enhancements include a new tag service, an improved import/export service, a CMIS implementation based on Apache Chemistry, performance tuning after extended… benchmarks, WSS (MS SharePoint) support, and OpenSocial widgets support.
We’ve also made 3 short videos to showcase some of the most important new features in this release.
Remember that this a a release candidate, which should be tested as much as possible before the final (GA) release.
10 bugs have discovered so far, and are being actively exterminated by our diligent development team:
Your help is needed to find more (assuming there are any).