e4 0.9M5 is now available for download. One of the things that excites me about this work is the web based form editors that Boris Bokowski has been working on. The form editors have always tried to mimic a web look and feel, but now they are using real web technology.
The e4 team has even integrated these editors with the workbench.
For a complete list of features, checkout the e4 New and Noteworthy.