Quick update to 0.1-beta1, it is targeted to fix stability issues. This release has been tested with a large enterprise application and it should work even after a complete rebuild in running application.
Check new ExamplePlugin to learn how to start with your custom plugin.
Installation and setup notes can be found in the main README.md file (or inside the release package).
Download the release package HotswapAgent-0.1-beta2.zip. Part of the package is Java patch (DCEVM) prebuilt for JDK 1.7.0_45 windows 64bit and linux AMD 64bit.