Strange, on the update to 13.3.895 it says that the cache has been removed ! Then the feature to uncheck render cache should not be there anymore . Yup Poser can have nasty glitches but with time getting to  know these and avoiding a workflow that could cause these. Often there not really errors they come depending on how you work , like adding, removing, spawn assets, then jump from into the material room, setup room, back and forth can sure cause some nasty glitches :) . sometimes it even happens when working fast hanging with the mouse on a body-part in the hierarchy moving it up a row. But all in all is Poser quiet reliable since 11.1 . Updates upgrades often bring up new unknown issues, fix some thing and another one appears. 

Poser 13.3.895 - 2024-11-14
--------------------------------
- Use Cache removed from SuperFly render settings to avoid memory leaks. (App) #2421
- Exporting Partial scene no longer shows file chooser twice. (App) #2424
- Implemented displacement node for SuperFly materials. (App) #2234
- Displacement renders will no longer invert shading on curved surfaces. (App) #2285
- Documentation: Poser's system requirement for the Mac is now OS 12.7.1 (Monterey or higher). (App) #2422
- Documentation: Updated details for Default Exposure and Saturation in PostFX. (App) #1846