This forum is pretty much it. It is not explicitly organized for that, but you can often find the relevant information with a search or two. For instance, searching on “overlapping lines,” I see that some of the posts in the first screen of results talk about this:
https://community.glowforge.com/search?q=Overlapping%20lines
If you post a problem that is caused by a known issue here, you will generally get a reply from a Regular about it.
There is also a sort of F.A.Q. maintained by one of the community members: