This has confused me for a while, we see certain cases where making a Sub Assembly of a Fully Loaded Assembly the Displayed Part, the Sub Assembly Components Display as Hidden.
We think it's something to do with Saving the Top Assembly at some point when Loaded as Structure Only.
Thanks, but not Layers.
Here is the properties of one of the hidden Components. Strange thing is, the Hidden is not Toggled.
If I toggle to Hidden and Apply then Toggle to not Hidden and Apply the component will Show.
I can't replicate this but see it a lot, I'm thinking it's abug
another shot i the dark.
I think that i have seen this, and it was then "produced" by an unfortunate combination of the "Hide/show-boxes" and "Isolate"in the Assembly navigator,
This user had somehow managed to make his work part hidden, which had the consequence that new solids created got created , but hidden.
If there is one user to whom this happens, have a look on how He/She uses the assembly navigator.