I just noticed a bad link on the Percona-server download page:
The link to "5.1.52-rel11.6" is wrong:
Well, I suppose the link is ok, but following it leads to the page for
Percona-Server-5.1.51-11.5 (_.5_, not 6), so I suppose the symlink was just
Also, I see no "11.6" tag (only "11.5") in the launchpad branch:
It is very helpful with tags for the releases when merging XtraDB, so if you
can fit that into your release procedures it would be great.
Hope this helps,