There is a new 6.0 (keevio) alpha release available: 5.9.32, this includes significant improvements in video-chat/screensharing usability with the ability to launch multimedia chat from the outset for a specific kind of interaction (audio only, video, screenshare etc):
Also included are a stack of other usability and stability improvements.
If you are already running the alpha, then you just need to hit the refresh button on your upgrade screen to review the release notes and start the upgrade process:
If you aren’t already part of our alpha test programme but want to be then please see this document to get started.
Once you have downloaded and installed the initial alpha VM image, you will then be able to upgrade to the latest test release.