A couple of issues in the syntax and also a problem in the OSGi Engine have been addressed in this release in addition to a smaller issue with the Lucene extension.
The release has resolved the following bug reports:
#251: static method syntax doesn't work as advertised
#255: isCustomFunction() behaviour for arrow functions should match that for conventional function-literal syntax
#256: Static is ignored in interfaces
#257: Abstract components don't work
#264: rest service fails when listener mode is set to modern
The new version can be downloaded from the links on the download page. This new version is available as the Express package, JARs and a WAR file.