I hv got confirmation from IB that it is postponed (msg reproduced below):
The CME has decided to postpone the implementation of their new cancellation fee policy (messaging fees) until further notice. _As such, IB will not be implementing cancellation fees for Globex at this time.
The CME has decided to postpone the implementation of their new cancellation fee policy (messaging fees) until further notice. _As such, IB will not be implementing cancellation fees for Globex at this time.