I think I surmised that the onAfterUserUpdate and onAfterUpdateUser triggers no longer work. The "Before" ones do, and those provide the same capabilities, more or less. Does this sound right?
Those triggers work perfectly fine. Sorry, I cannot help you any further without an active subscription.
P.S. UNRELATED... I cannot find where to change my forum signature.
Woops the Forums tab in profile edit wasn't visible. Now fixed.