It was only when I ran into Volo in the middle of the Goblin Camp (did he get a new outfit?) that I realised - up until now, I had been having a blissfully Volo-free playthrough! He did not show up in the Druid Grove for me or my husband as of Patch 5 (separate solo games).
Now, this is an issue I don't mind having, because I find Volo extremely annoying :P
But he still should have been at the Druid Grove to do his post-gate-battle interview, right?