On 11/15/2010 12:46 PM, Jim Jagielski wrote: > > For the record, this is another reason why I don't like > "optimizing" struct layouts and using bitfields, since you > can no longer simply add additional elements to the end and > allow for *some* compatibility... :/
We should feel free to reorganize during 2.3-dev cycle, but yes, once 2.4.0 is blessed, new fields won't be particularly optimized.