Just a quick note to say we've pushed V20 Stable Hotfix to the Stable branch. There were a few issues in V20 Stable that needed fixing such as occasional crashes related to alien bases and the overly passive AI, but we've made those fixes and given them a good test now.
This update will not break save games, and if you've been experiencing crashes it may allow you to continue playing games that were previously crashing.
The extended changelog is here: http://www.goldhawkinteractive.com/forums/showthread.php/8651-V20-Stable-Hotfix-1-Released%21