>> is an initdb and pg_upgrade required when upgrading from 9.0rc1 to final 9.0?
>> there is no mention about that in the release notes.
>
> the assumption is 'no' on rc->rc or rc-releases generally unless
> specifically indicated in the release notes that you must do so. it
> never hurts to keep the old binaries around, 'just in case' though
> :-).
thank you merlin.
regards, jan