I am at 180 edits on my thread, ROFL, so I know how you feel. Some of that is due to event updates though. That isn’t even counting the edits done on my story threads on another toon. 
I totally missed the # headers on New Forum Guide - Syntax and Features! Yes, it doesn’t cover it all, but I discovered syntax too which I posted there. A lot of features remain hidden/undiscovered. Threads transferred over from the old forums unsuccessfully converted to the new formatting, but the syntax inside the posts changed when you’d look to edit — they would just save as a garbled mess. That’s how I learned about some features.
As for the hosting site, I have no idea what it was before, but now it is Discourse.org. A lot of guides on Discourse format came up; most of it is rehashed stuff we already know (and some we know that I didn’t even see on there), and some that might not work, but there might be some gems that prove useful and in a little more detail. 
I didn’t know about small text before which is 6 ######s. I might also have to mess around with image width/height and see if that works.
So sorry to derail your thread with my prattle, I get excited!