I'm using Firefox 22.214.171.124 and the new discussion system.
A couple of times now I'll have been posting with the new inline comment submission box and the screen will jump (as if I scrolled) and the comment box will be empty when I scroll back. Pressing ctrl-z does not undo this, the comment appears to be lost.
This has never happened to me with the old system in thousands of posts but has in 2 of the ~5 posts I've made with the new system. Both were longer posts - it appears to happen every 5-10 minutes (the random 'scrolling'), and only wipes the post every few times.
Slashdot, post D2, is the only place I see this.
Is there a way to disable the new posting system while using the rest of D2?