Kirsty recommended I make a post after trying a different browser and clearing my cache, these didnt work. She said "Hi, I've come across this problem as well but I'm not sure what's going on...."
The problem is, the formatting tools/options are not appearing in private messages anymore. You can click "Use Full Editor" and get this
We used to have the same controls we have in thread posts. I just noticed this problem today when I tried to PM someone. So far its looking like none of the controls will appear when you first send a message to someone, they only seem to appear now when some has replied to you in a conversation first.