A beta version of Plumi 4.4 was released recently, updating Plumi to Plone 4.2.
Changes include deployment as a WSGI app and asynchronous execution of jobs via plone.app.async, separating the video uploading process from the database, which should mean stability improvements in the uploading system.
The load balancer has been removed, buildouts have been simplified, and the beta also includes a new publish form with a video file upload progress indicator, a big step forward in terms of usability.
See the changelog here: http://pypi.python.org/pypi/plumi.app/4.4b1
You can download the package from: http://plone.org/products/plumi/releases/4.4b1 or via: http://pypi.python.org/pypi/plumi.app/4.4b1#downloads
Please download and test the beta.
The install.txt has changed, you can find it here: https://github.com/plumi/plumi.app/blob/master/docs/INSTALL.txt
The changes can be seen in action at http://testing.plumi.org.