pom.xml uses a like 0.1-SNAPSHOT which is then replaced with the timestamp in the filename of the finished .jar. For example /usr/share/eclipse/dropins/cdt-pkg-config/eclipse/plugins/org.eclipse.cdt.managedbuilder.pkgconfig_0.8.0.201506071017.jar
Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).