Thanks. Forgot to mention it's a brand new gaming Laptop. Acer Predator Helios Neo 16. I don't have another device to test the save.

Device name
Processor Intel(R) Core(TM) Ultra 9 275HX (2.70 GHz)
Installed RAM 32.0 GB (31.4 GB usable)
Device ID
Product ID
System type 64-bit operating system ...

Thanks. Here's #2. Playing with the platform again - running an upgrade planner on the belts.

This doesn't happen super often, but often enough to be annoying. It only seems to happen after the game has been running a while and "feels" like a memory leak to me, but don't know for sure. No mods. Most recently happened when watching my "Greatersword" platform fly to solar system edge from ...