Observations about FH6 crashing seemingly randomly

I want to get to the bottom of this game crashing on PC without any apparent consistent rhyme or reason. I've made some observations about the behavior of these crashes, and I want to hear any observations anyone else has made about them as well. So far, I've noted the following:

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- Crashes seem far more likely to happen if the game is started using its exe instead of through the Steam interface

- The splash screen and any menus seem particularly prone to crashing; it's far less common that my game crashes while I'm not in a menu (freeroam, races, etc.)

- Crashes seem to not be related to any event reported to Windows's Event Viewer; I've found no consistent event logs that precede the game crashing

- Crashes happening or not happening appears unrelated to any game settings (I have not changed my settings for any testing, and I've experienced the game crashing a lot and not crashing at all)

- Crashes seem unrelated to specific GPU drivers (I've tried DDU-clean installs of both the Game Ready and Studio versions of the 610.47 and 596.49 nVidia drivers)

- I can't get a crash to trigger on purpose through any specific action besides booting the game and leaving it at the splash screen

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I would love to get some confirmations on some of these as well as obviously hearing what other people have observed. Hopefully together we can help me avoid needing to bust out the debugger to figure out what's causing this game to crash.