Was making a round of collecting honey and when I was cleaning up, I noticed the bee boxes were still gaining honey despite no bees present to collect pollen from flowers.
I don't recall ever seeing this before the previous bug issue where Bees would not produce more honey if they were off-screen for an extended period of time before Dusk hit and causing a reset. Not sure if that bug has any ties to these bee boxes producing honey with no bees.
Bees were off screen for multiple days (Caves basing for summer).
Passed by Bee boxes once, they were off screen again.
Returned to Bee boxes to collect honey.
Bee boxes producing honey with no bees after harvesting and killing the bees.