For example, downloaded hibernate2.3b6 archive contains wiki pages with old (up to b5) announcements, roadmap, changelogs, docs etc. This is REALLY inconvinient.
Probably some changes to release process required - archive should be build after updaing pages, not before...

I can assure you that you only ever possibly missed the announcment of the new version.

Hmm...
Just after the release i've saved pages from the site and see following differencies: fnnouncement on 1st page, changes on the roadmap page, and one or two changes in other pages.

While announcement is not the worst thing to miss than already downloaded new release its still inaccurate|untidy, but the roadmap is the page there i go to check out whats new was in this release - and there is simply no info about that release. Still unshure about other pages - probably they really were changed after release...

All I'm trying to do its help to make hibernate more qualitative.

(sorry for my bad english - my native language is java 8-)

There is a Changelog file in the distribution.

Ok, ok.... Thank you for your patience.
..and great work of course...