If you want to build or contribute to a droolsjbpm project, read this document.
It will save you and us a lot of time by setting up your development environment correctly. It solves all known pitfalls that can disrupt your development. It also describes all guidelines, tips and tricks. If you want your pull requests (or patches) to be merged into master, please respect those guidelines.
v0.15 - 1 issue fixed: updated Semantic.xsd - thanks to @tkobayas (04 Oct 2016)
v0.14 - 2 issues fixed. (15 Jun 2015)
v0.13 - 2 issues fixed, up to 42 supported test cases (07 Mar 2014)
v0.12 - 18 issues fixed, up to 41 supported test cases (16 Jul 2013)
v0.11 - 38 test cases supported (06 Jan 2012)
v0.10 (03 Jan 2012)
v0.9 (04 Sep 2011)
v0.8 (30 May 2011)
v0.7 (22 Apr 2011)
v0.6 (15 Apr 2011)
v0.5 (23 Mar 2011)
v0.4 (11 Mar 2011)
v0.3 (14 Feb 2011)
v0.2 (05 Feb 2011)
v0.1 - initial release (24 Jan 2011)