Update (1 Jan): Known bugs reported for 2.0.0-beta1. Some of them are:
Update (26 Dec): New installers
ejabberd 2.0.0-beta1 has been released. Check the announcement for details and download links.
It has been 15 months since the last ejabberd release that included new features or improvements. This means that the upcoming ejabberd 2.0.0 will include a large number of new features, improvements and bugfixes.
The purpose of this beta release is to find bugs in the 2.0.0 code base before releasing the final version. This beta version should not be used for production servers.
If you think you found a bug, you can report in the bug tracker. Alternatively, you can start a discussion in the ejabberd mailing list or in the ejabberd forums. If you just want to report a small bug, you can also add a comment here.