Attempting to add a comment to Issue 9549.
Cicking on "Comment" leaves the page in eternal update. The comment is not saved:
Now experiencing the issue in my own repos !!!!!
Can add comments from the "Edit Issue" page:
Issue appears to have resolved itself.
I wonder if there was a problem in the hosting infrastructure somewhere ?
The issue went away
I fought with this issue for quite a while today before I got the bright idea to try a different browser. The problem appears to be Chrome-specific and it's still a problem. It's fine in Firefox though.