ive been discussing this with friends that noticed a different spider den growth after the update that seem slower and off. Then i decided to report it again.
literally one day before ROT update i was playing with a friend who was webber, constantly replanting spider dens and crafting new ones for 2 in game years straight. I just talked to him and he also reported the same experience.
this isnt a new feature right? i never noticed this while playing webber, my worlds were always spider conquest as webber