Hi,
problem - clean scene, simple tyFlow object is hidden (as simple as birth operator only, so it won't render anyway), changing frame to let's say 50 doesn't perform simulation, starting render (interactive or production) as well doesn't perform simulation, but when I stop or cancel render, tyFlow start simulation up to current frame (50).
Tyson said
tyFlow objects simulate their result when Max queries their base object for a result
...
hiding a tyFlow object does not guarantee Max will never query it.
I tried Arnold and Scanline - no sim on render end, so probably some problem with Corona?