Not that I'm aware of, though it's possible Cordovan said something in another thread. Information seems to be disclosed in different replies throughout the forums. For example - those worried about HCL keys expiring in this thread had their issue addressed in this post here:
https://forums.ddo.com/forums/showth...=1#post6551511
They will encore the night revels event after the chracter transfer issue is solved so those with keys held on HCL servers can still spend them.