I think we're all having a similar experience ...
CJ... it is beyond me to surmise anything... it doesn't have to do with the samples loading ...that I know of ...but it's a darn good guess. Perhaps the software is now processing things differently as of X2a
Daylaa ... I encounter this situation when inserting soft synths only...
Shambler ...YES! it acts as if it's mixing tracks
rbecker: we have similar systems as reported in our sigs ...although I'm sure it isn't unique to our system setup, that information could lead to a path of resolution...