Hmm.. this is even more strange now. I cannot seem to be able to reproduce the error anymore. Perhaps it was already fixed even earlier since the F5 trick worked? I had already saved the model before with this latest version installed a couple of times. And had opened it a couple of times since...
I tested pressing F5 and it does indeed correct the issue. I simply close the edit window when leaving it, as I have done before. And it seems the save option is disabled in the edit window.
Made some more tests. If I use "Edit here", make the edit and go back to the assembly view by unchecking...
I'm also having problems with constraints. Didn't really use V25, but noticed this after updating to "Version: V25 64-bit [Build 25037]". So not sure if it started already with V25.
I have an assembly, I edit a part within it (I often use "Edit in Separate Window" if that matters) that has...