Happens with _Sweep2 and other functions.
See:
Hi Charles -
I’d much rather have words than having to try to figure out what it is you are trying to show in a video, but that aside…
When you have an active filter and try to select something in a viewport that is not eligible for selection because of that filter, the filter panel will flash to let you know that you are in a “mode”.
We are hoping to have better feedback about being in a certain mode at some point in the future.
-wim
When press ALT for Copy something ,flickers happen.
Next time I’ll repeat the topic title in the post itself.