For the last few days killed like 5-6 orc bosses in T10. None of them dropped tokens. Haven't seen a soul yet either, but that's possibly just my bad luck.
Also saw an issue when going through Blackburrow expedition. Plagueborn/Boss were normal but all the normal gnolls were dying in 1 hit which seemed odd.
I noticed the same thing in the Blackburrow expedition. Gnolls were dying as fast/faster than t6 trash.
Also, just killed Darkpaw Rellognub and he didn't drop a token in a guild instance of SR