a new version is available for download and testing right here: http://www.virus.info/start/ - here's a list of issues which have been addressed:
About TIOS 4.0.2 Public Beta
Resolved issues, refinements and new features:
VC: is not in time when operating at 96 kHz (fixed)
VC: Improved behaviour and performance on multicore systems
VC: Protools don't playback reliably with more than 1 processor assigned (fixed)
VCC: Virus Control Center shows "Driver mismatch" in Windows 64-bit (fixed)
VC: incorrect parameter labels in Distortion and Frequency Shifter section (fixed)
DR: Virus audio in was distorted in Windows 64-bit (fixed)
VC: Support for new mechanism to enable automation in Live 8.0.2
VC: Automation map got corrupted when loading a project using the VST3 Plug-In (fixed)
VC: Context menus causes Logic 9 to SPOD for 2 seconds (fixed)
HI: LFO LED swapped under certain circumstances. Needs additional hotfix update!
VC: Small amount of random global latency in Logic (fixed)
User who experience swapped LFO LEDs need to this version and in addition the "hotfix" updater which is available in the same directory (public beta downloads ).
Graphic Performance under Windows 7 needs fine tuning.
Side chaining into audio instruments is currently not supported in Steinberg Cubase. The VST3 version shouldn't be used in a productive environment.