We're currently running testing on the 2.x CVS tree of dotProject looking towards a 2.1.2 release.
This release will include some badly needed fixes to the Files / Folder handling which unfortunately did not incorporate permissions handling properly, as well as some general performance improvements. We'll outline everything that's incorporated in the release notes as per usual - but you can follow issues being addressed via the Documentation Site > General Information > Status page
At this stage we don't have a release date for 2.1.2 - it will all depend on the progress of testing, but if you have any bugs that you wish to report (and you're sure haven't already been reported) please get them in asap so that we can look at them during this process.