[VOTE] Should we freeze the public stable APIs after 0.21.0?

[Owen O'Malley]

We are getting closer to being able to release a Common/HDFS/MapReduce  
1.0. I'd hope that we'll get the last set of things in to 0.22 that  
mean that it would be labelled 1.0. Toward that end, I'd like to start  
locking down the APIs that we've marked as public stable. What that  
would mean is that any interface that is tagged with the  
@InterfaceStability.Stable and @InterfaceAudience.Public in the 0.21.0  
release should not have any changes committed that require a  
recompilation of client code. This will provide a stable basis for our  
users' applications and reduce the costs of upgrades.

Clearly, I'm +1.
-- Owen