I'm going to be doing some updates on Nov 1st or Nov 2nd. (Note OR, not and. Will only happen on one of the two days.)
I haven't chosen the specific time yet (won't happen during NA prime time which is when we have most users active). Probably sometime around 6pm GMT to 6AM GMT. I'm expecting down time of around 30 min ~ 1 hour total. If everything goes super smooth, probably like 10 minutes.
The update will cover bug fixes / IPB update.