The topic thread init post is updated:
Regarding the freezing, it really seems like it’s about the Multi-Processing option:
With Multi Processing enabled, the product is essentially unusable on my 13-inch, Mid 2009 Macbook Pro with OSX 10.8.2 because it constantly (several times an hour while editing) “FREEZES” as has been described elsewhere at great length. These complete FREEZES of the UI and all indicators last for about 5 seconds, and then things return to normal for a few more minutes. This occurs regardless of latency or other settings.
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This is 100% repeatable here and I’ve also confirmed that with MP off, (or using 6.5 with MP on or off) the issue does NOT occur with literally days of testing