I'm on a Conversations page, and click on a thread.
Then I go back to the Conversations page, and decide I want to read the thread again.
But it's not possible to go back (actually forward) by clicking the forward arrow, pressing Alt + right arrow, etc. The only way to get back to the thread is to click the link on the Conversations page.
Yeah there's something screwing with history. The forward button lights up briefly then wipes out as the page finishes loading.
When I click on a forum name from the main page it takes at least 2 "Back" actions to get back to the main forum page. If I then visit a thread and do the multiple back thing to get back to the thread page, it takes 4+ "Back" actions to get back to the main forum page.