Please check the announcement here.
is there issues with the get ahead event too? cause i cant do it on any other characters and you are allowed four i have only done it with one character but after patch it dont work, when i click the event the menu just closes and nothing happens
Also, Templar buffs doesnt work in dungeons
Templar Buffs require the people to be in your guild.
i know that much 
we had issues with shield gen and battle orders not affecting guildies in dungeons, or atleast certain dungeons, but havent tried again recently