Huh, that isn't simple. I can give you a few things off the top of my head. Hopefully some of the others can chime in too. After a while you get so used to the view from the inside that trying to figure out what is part of that view and what is not is difficult.
Suffix use varies by Sept and individual. Some Septs are super traditional, others not so much. When they are used, use them as suffix. Indivdual usage, calling someone Rhya without their names, is generally laughed at.
Children of Gaia have Camps again.
Stargazers have left as per book.
Proper introductions always include Name, Tribe, Breed, Auspice, and Rank, though the order varies, and usually include any positions held, home Sept, and pack name. If you're Silver Fang the list gets longer from there...
Austere Howl is in negotiations to allow members cleared of having Taint by Gleaming Eye to rejoin society, with a stronghold in Australia.
Evan "Heals the Past" recently died to prevent the Wyrm from getting a viable Turtle Egg. Hatchling Turtle is in the Midwest, but is not anywhere close to powerful enough to regain the place that Turtle held. The whole Nation is waiting to see where that goes. In the meantime Evan's Ancestor Spirit was recently found and restored to his tribe.
Mages are usually hated, but there are a few exceptions.
That's all I can think of right now. I'm sure the others around here can remember more.