rihad <rihad(at)mail(dot)ru> writes:
> Could you please be more specific? I can't find the steps to jump from
> 8.3beta2 to 8.3rc1, only from 8.2 to 8.3.
You should be able to just dump and restore. The forced initdb for
beta4 was to fix a couple of mistaken system-catalog entries, but it
shouldn't represent any particularly obvious user-visible change.
regards, tom lane