Basically every time I render a track my Virus sounds "change" ever so slightly. You wouldn't pick it up unless you were really paying attention, but if you are, it will be audible.
Sometimes there's a harder twist or turn here and there, sometimes a bigger or smaller buzz on a buzzy lead. Other times, the sounds are blatantly different every time like a kaleidoscope. They have different sounds even though my automation curves are well-defined.
I can't render my track 10 times in the hope that all the sounds will be exactly as I want them. My only other choice is to sample a certain sound and always use that sample, but that's tedious and you can't do it for every sound. The whole point is to have the TI open in your DAW and give a reliable result every time.
Why are renders with the TI so unreliable (although on a very small, granular, almost imperceptible level) on some patches?