Resin 4.0.30 is available for download at the usual:
Resin 4.0.30 is a release-candidate for 4.1.0. If no critical bugs are
found after a few weeks, we'll promote it to 4.1.0.
As a note, the most recent Resin 4.0.x releases beat nginx (a fast
C-based web server) in stress tests using autobench. We've published the
resin-interest mailing list