For many 3rd party plugins, which haven't changed in years, the report will often start white, then because no version bump happens will report red... and then magically drop to yellow for a few releases. Then red again, and then yellow.

Surely if a version not increasing is bad it should STAY bad, rather than oscillating?

Reports to compare are here:

http://download.jboss.org/jbosstools/builds/staging/devstudio.versionwatch_master/
http://download.jboss.org/jbosstools/builds/staging/devstudio.versionwatch_70/