Between 0.9.26, RC and final 1.0 release, bundler went thru some heavy changes with respect to command line options it supports. Luckily, twitter, forum and blogs kept everybody in the loop.
The blogs, however, became obsolete quickly and even blog posts few months old don’t work with latest version of bundler. We came across this issue that kept is in a loop for a while.
Snow Leopard changed a few things with ruby and mysql gem when it came out. Most mysql installation issues are hammered out by now and are well