When using quite some TeX (or using a slow computer), every time the preview of the post you're writing is updated (and MathJax reloads), the preview flickers. This is getting very annoying.
It's a bit hard to give screenshots for this, so I hope you know what I'm talking about.
I would like to ask for one of two solutions I thought up (or something else I didn't think of):
Make the preview smart so that it understands it doesn't have to reload MathJax. I don't know how much developer effort this would take, so another option would be...
Add a checkbox to the preview system to enable/disable MathJax preview. When MathJax is disabled, it can just be displayed as