Oh dear, sorry I've solved the problem.
It is not a bug, just that the parts had somehow been switched off the default display and so weren't updating.
I just used the display pane to reset them.
Sorry about the silly question on my first post...
Hi,
I'm not sure how this happened, but I have an assembly in which some of the parts are stuck in the Hidden Lines Removed display style. Any new parts in the assembly or parts that were suppressed show up in whatever style is selected, but a few parts just won't update.
The appearances have...
