Most people probably don't realise this, but this forum has had two editors for a number of years. One is the xenForo default editor, and the other is a custom editor I made years back I called BBCEd.
All the settings for which editor you use was lost during the upgrade. You can find the setting under Account Settings > Preferences > Editor.
I've had it made known to me that for about a week now people haven't been able to finish registering or receive email notifications. I can imagine how frustrating this must have been, particulary for our newest members. Unfortunately our site owner is away at the moment and he most likely won't be able to do anything about it for another week or so. Until then, anyone who wants their account manually verified can contact me via their method of preference and I'll sort it for them myself. Thanks to everyone for their patience regarding this issue. -DoubleThink