I tried editing my post on this site for a typo and I get a usual message:
The thread has been modified.
The thread has been modified. In a moment you will be automatically returned to the forum.
Return to the forum | View your post
However it never will refresh. You have to select Return to forum or View your post.
Pm's seem to be okay.
I tried this on a few of my posts pre and post of 7.5.8.
and it just sits there.
PS,
Using current Firefox as a browser.
Ha another edit.