Yes /growfaq is not part of the update unfortunately… There is a lot of work with updating source code for this feature to be compatible with latest forum. There were many of pressing issues that forced me to upgrade the forums and leave growfaq behind… I hope to reinstate it in few weeks / months…
Good news!
Avatars are now fully regenerated.
Please use hard reload in your browser (in Chrome it is CTRL+ click reload or shift + click reload)… How to hard reload different browser is described here.
Have you turned off Live notifications in your preferences?
What browser do you use?