Among the improvements I've noticed:
- Easy installation on windows
- Ruby GEMS - a package adminstration tool simuliar to Gentoo Emerge, Debian Apt -- or yum if it actually worked right.
The end of vulnerabilities. Alternating between Python and Ruby; R&D, Consulting, and Ops; Linux and BSD. Moving from Austin to Skokie to Baltimore. Adoptive to Bio. Republican to Democrat, and other Things Done Backwards