Yeah, the sticky *purposefully* omits some device/FW-specific shenanigans to avoid confusing (even more so than usual ;p) new users
.
The most prominent of these omissions is indeed the downgrade cutoff, and the hackish downgrade cutoff (i.e., hard-reboot trick). That last one is important for the PW1, for instance, because its final FW is not directly supported, doesn't handle direct downgrades, but still supports downgrades via the hard-reboot trick
. (And, fun fact: despite owning a PW1, this one took me a couple of trips down memory lane to even remember when someone asked me about how to deal with a PW1, and a few contradictory PMs from my part to get to the bottom of it ;p).
The KV thing, which I wasn't familiar with (because I never had a KV), would probably be the only other "major" thing like that.
I'm wary of adding anything to the sticky itself that would make parts of it contradict itself, which is sort of what mentioning this would do
.
But I do agree that it is important information to have available *somewhere*...