iirc nothing was, but it made available some features that would be used in 3.0 and 2.7 is essentially a back-port of stuff the 3.0 people found useful. I belie

iirc nothing was, but it made available some features that would be used in 3.0 and 2.7 is essentially a back-port of stuff the 3.0 people found useful. I believe the idea is that in a major version number, everything is back compatible.