I was wondering if those who pay more attention to Rift and it's API happen to know if around the 22nd April the API changed for the Event.Buff.Change event and the Inspect.Buff.Detail call?

I'm not sure why but since that date I've been getting error reports that the:
local buffDetails = Inspect.Buff.Detail(self.playerInfo.unitId, buffs)
for buffId, buffDetail in pairs(buffDetails) do

is returning buffDetails where the contents of the buffDetail has a nil begin value

I've no idea what's changed (as the addon code hasn't) or if it's just someone who's computer is doing something strange...

Any thoughts?