Well I was going to write a really long blog post about this but others have already done a really good job. I had to copy all my innodb files over (when you do, make sure permissions are right) and do a pristine gem update but most of it was pretty painless…

Recommended reading: http://afreshcup.com/2009/09/02/migrating-to-snow-leopard-for-rails-development-a-definitive-guide/

http://frozenplague.net/2009/08/snow-leopard-rubyrails-developer-setup/

A mixture of both and a little bit of tinkering on my own managed to get my development environment back to sanity.

Over all though I’d say the upgrade process for the actual OS worked flawlessly…. pretty much two buttons to click, sit back and watch. Kudos to Apple.