When sims are supposed to be nude or have more revealing clothing the salmon colored (hideous btw) underwear from CAS body edit mode is showing.
Edit By Crinrict: Adjusted Title fit bug report at ...
Ideas
It's happening for me too. I just updated yesterday and noticed that, both male and female, Sims have underwear on while showering. I do have mods, and just tested it without, and you can clearly see the dark underwear through the mosaic.