X Ruby 1.9 compat X Rack compat X put Mongrel.run somewhere X PID-aware mongrel binary (like thin) Timestamped logger QA thread behaviour on 1.9 QA Jruby compat X Make sure Echoe doesn't activate itself in packaged gems Optimize Rack's dispatcher http://github.com/chneukirchen/rack/blob/cf040ea68a6a60a11f484a2145d2e62c34e7487e/lib/rack/urlmap.rb