This looks very good.Can I just check something (which is a common request here at Oxford). Our maths dept would like to be able to paste text with in-lined LaTeX, eg, ".. we see that $$y$$ is equal t...

Yes, losing the plugins button from the default button bar is a MAJOR problem.

I can replicate what you demonstrate in your screen cast when using Assignments but dont see the same behaviour when authoring a Page. 

The October Canvas Release Notes do indicate that the improved equation editor will be available throughout Canvas (not just in Assignments), however, it would be useful for that to be confirmed here....

I am so sorry @eschiebel but can you please give some sort of explanation as to what one needs to do to see MathJax-ified equations?I have gone onto beta, set the RCE enhancements to be on in my cours...

The October Canvas Release Notes do indicate that the improved equation editor will be available throughout Canvas (not just in Assignments), however, it would be useful for that to be confirmed here....

I can replicate what you demonstrate in your screen cast when using Assignments but dont see the same behaviour when authoring a Page. 

I am so sorry @eschiebel but can you please give some sort of explanation as to what one needs to do to see MathJax-ified equations?I have gone onto beta, set the RCE enhancements to be on in my cours...

I dont see this setting, where is it?

@wkylephillips totally agree with your point number 1.