Eternity Engine is now at 3.40.30, codenamed "Alfheim". This release features ZIP support, PNG support, more EDF goodies, further support for MacOS X (complete with launcher), and Master Levels support. It also has support for the BFG edition IWADs, including No Rest for the Living, and much more! So what are you waiting for? Hop on over to the Eternity Engine forum for a more-detailed features list and to download the binaries.