bug list sorted most recent to oldest on "calculate geometry" and "bugs
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anything apply?
For your first link, it was an environment issues (python conflicts),
Your second list doesn't have resolution, but no one seems to have reported anything.
Maybe it is on an internal bug list, and hasn't been verified.
Most likely, bugs don't get reported in a timely fashion, so they don't get addressed.
Good luck
... sort of retired...