mangos-one/server — comment on commit 3c45bd510a2d73a2aa295bca5d7b3bc773a76dd1
File:  line 0
By betagan:

Just for the record: There IS a possibility to fully fix powershifting, but it's seen as a dirty workaround by mangos devs and therefore not in the official repositories. This patch fixes powershifting at the price of very few extra update-bits set each time, nothing you would ever even recognize.

http://pastebin.com/FaQ9B9iz