Unity Float Control Upgrade Tutorial (Video) SFT Support January 15, 2019 22:28 Updated This is a tutorial for upgrading the Unity Float Control system from 2.4 to 3.2. This process will remain the same when upgrading to any future versions of Unity. Related articles Unity Float Control Setup and Information Guide New Test Firmware 3.3.0 Unity Set Up and Networking Guide (Video) Latest Software Files. Stock MP3 audio pre-installed in the Unity controller. Comments 0 comments Please sign in to leave a comment.