You’re right actually, I just remembered that I had this happen on meshes,
but also the landscape (adjacent) material parts, where I’m not using virtual textures.
I’ve been working for a bit on UE5.4 now and haven’t had a complete stall yet.
There’s been a few times I was afraid it’d start freezing again, but it has always recovered so far.
Usually I’d have had it happen surely 3-4 times an hour, but ~20hrs later so far nothing.
And like I said, this has been plagueing me for a long time now.
I’m somewhat optimistic that there’s been a fix, but I’ll report if it happens again.