Originally Posted By: y_p_w
I'm also noticing odd things, like the number of pages changes depending on whether I'm logged in or not.
This has always been the case. If you're not logged in, the number of posts per page is set to the forum default. Once you log in, the forum displays the number of posts per page that you have chosen in your preferences, and if that's different from forum default, then the number of pages will change accordingly. If a topic has 30 posts and the forum default is 15 posts per page, then it'll have 2 pages. But if you set your preferences to show 30 posts per page, then it'll only have 1 page for that same topic.
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The way the URL is displayed is different too.
I noticed this too. If you link to a specific thread, it'll have this thread's subject line (or part of it) in the URL. There definitely was a software upgrade done not long ago.