Stamp all you like. I'll eat my hat (I have eaten it plenty of other times) if anyone in Australia flies a 787 after 5 days of differences from the 777.
Here it is common rating.
CAO 40.1.0 Appendix IB Part 1
30.
B777/787
BOEING 777-200 SERIES
BOEING 777-300 SERIES
BOEING 787-8 SERIES