There's a new SheepShaver test build now available:
http://emaculation.com/forum/viewtopic.php?f=20&t=7645
It's not currently the recommended build, but there has been a lot of interest and development in recent weeks and months, so probably worth checking out. One noted improvement over the recommended build is a patch from a few months ago that finally lets
Ferazel's Wand (and some other games?) run correctly.
Some other changes at the link above.
Meanwhile, SheepShaver and Basilisk II have recently been moved over to Github, which may make it easier for people to contribute:
https://github.com/cebix/macemu/