Nothing new, and nothing to do with IE or the browser in any way whatsoever.
It's just a terrible foul-up in the forum software, a bizarre idea someone had in regards to how to make some purported "feature" work which simply should never
have been included.
The problem is - it would clearly be just too
difficult to move to another forum system, so we are stuck with it unless the "SMF" forum system which is used here is adopted and repaired by some competent
When you see it, just chop off the "token" - everything including and after the question mark, on any and every tab in which you see it. Sometimes the system crashes for a few hours and even that
will not work but - well, in some sense you "get what you pay for".