1.
I literally just copied over the tweet code from the previous site. That seems to be biting me in the but a lot haha. These smaller things are great to get taken care of right now.
2.
Like which ones? As far as big ticket items go, I've got the forum shop up next. Then after that it'll be time to transfer on over.
Going off this list, Please rank forum features, from your most liked to least liked - page 1 - VizionEck Forum
I've got most everything I think. I'm planning to add back in the smaller ones as needed.
3. Could certainly do. But is that might be going too far. Could just start posting jibberish and have the machine fix it.

1.)
Yeah.  Did you move over the stuff so that tweets are saved?  
2.)
-Don't see a button for spoiler tags.
-Quotes don't notify me.
3.)
Yeah, that's the reason I expected you to give.
Or maybe have a button for it, instead of being automatic.  
There'd also be the difficulty of actually figuring out what was intended to be the number...
Perhaps just appending it to the end.