I'll take a look at this today, maybe we need a leisure to fix this; and we can roll out the fast boot feature at the same time.
I experienced the same some weeks ago (it's reported in this thread), but at the time I didn't correlate it to switching to 100% WCG (leaving 0% for Rosetta).
But in my case, a manual podcupdate true once a day worked fine (until I stopped mining).