I don’t know for sure this is fixed, because it’s only been 3 days, but I’m curious how many people who are seeing crashes have the Realtek drivers installed.
I was already on the December AMD drivers which did not fix the crashing.
On the 23rd I installed the Realtek drivers from Framework (previously I was using the Microsoft built-in audio drivers), and then updated to the newest Realtek 9597.1 drivers I could find in the Microsoft Update Catalog (Microsoft Update Catalog).
Since then, I haven’t had a hard freeze. Though I’m sure right after I post this I’ll probably end up having another. 
Edit: Switched the Microsoft Update Catalog / Realtek driver link to one that would let you download it instead of the details page.
Edit 2: yep, too good to be true, just had a crash after 8 days.