Well yeah. Stuff goes out of date. They publish a new Canada Flight Supplement ever 56 days.
Unlikely. Read articles 6 and 7.
As far as I'm aware, Taiwan isn't the subject of any arms embargos nor have they been involved in genocide, crimes against humanity, grave breaches of the Geneva Conventions of 1949, attacks directed against civilian objects or civilians, serious violations of international humanitarian law, serious violations of international human rights law, or sponsoring terrorism/organized crime.
And in other news, Harper appears to be uninterested in signing it.