I'm having this problem in advanced mode.
I'm trying to update a few old images that I posted and the editor collapses all the white space (and I haven't even changed the content yet).
The preview is rendering raw HTML. (So I can't preview it).
I've also lost the ability to modify or attach any of my youtubes.
As you can see it's all messed up->
The width and height of the editor is also WAY TOO SMALL.
That and getting large images directly attached to the screen instead of thumbnails is a pain now.
Thumbnail systems are old school for 56K modem users, but it would be great to have the option to choose both image attachment methods with a checkbox... but now I'm just being picky.
Also the thread comment-preview on the forum sections was kind of handy, I used it a LOT, but it's gone now which slows me down by 1000%
and my attached thumbnail is empty.