I recently upgraded from 2.2.3 to 2.3.1 and I've got a weird problem. The admin section works fine in Safari (on Mac), but not in Firefox (3.0.10, same computer). I've cleared the cache, restarted, flushed the server cache, and even changed the "browser.cache.check_doc_frequency" Firefox setting so it will get a new version every time, and still it's not working.
The issue is when you click a page to edit it, the AJAX fires off and downloads the new editor window, but it never actually loads the content. The "loading" spinner just loads forever. If I reload the page, the page I clicked on loads up (I believe a cookie is dropped). So, it's like it's working... almost. I can use Firebug to look at the result returned from the server and it appears to be there.
Any ideas? A couple of other posts sound similar, but they were related to language settings or updating a file manager. I doubt that's the problem here as it works in one browser but not another.
Thanks in advance!