The release notes (that you’ve linked) say there’s only 1 breaking change. While you’re able to configure this, most sites hadn’t (I’m not sure if any did in fact). So there is that 1 item you need to take care of, if you did indeed use the configuration at all. If you didn’t, then you should be all good.
I would have to say though, that I’m a bit alarmed by this issue below that I cannot replicate. OSC is going to production tomorrow, so I guess we’ll know more at that time, maybe, as again, I’m not able to replicate that issue specifically at OSC.