It is not clear to me what incentive there is for someone running 8.2.2P7
to upgrade to 8.3. In particular, it does not appear (from the ISC web
site or from Paul's msgs) that 8.3 fixes any security flaws in 8.2.2P7.
(Yes, I understand that 9 is a desirable goal. I'm just questioning
whether 8.3 is a worthwhile interim step - as opposed to staying on 8.2.2P7
awhile longer.)
It is not clear to me what incentive there is for someone running 8.2.2P7
to upgrade to 8.3. In particular, it does not appear (from the ISC web
site or from Paul's msgs) that 8.3 fixes any security flaws in 8.2.2P7.
If you look at a source diff between 8.2.2-P7 and 8.2.3, you might be
scared at some of the little things that were fixed. (There's a lot of
stuff added, too, as one might expect of a release and it is obviously
possible that there are problems introduced within those areas too.)
I can't comment about the big changes - I don't know the code well
enough - but there are a number of changes like this: