March 2016 - IRIS v4.0 Released (current version)
March 2014 - IRIS v3.0 Released
Immaterial change. Minor revision to definition language for clarity.
November 2011 - IRIS v2.2 Released
February 2011 - IRIS v2.1 Released
September 2010 - IRIS v2.0 Released
Immaterial change. Part-time Wages (OI9948), Part-time Wages: Female (OI8725) and Part-time Wages: Minority/Previously Excluded (OI9956) replaced Wages: Part-time (OE17.0.0). Metric trifurcate due to framework upgrade.
September 2009 - IRIS v1.0 Released
New metric. Wages: Part-time (OE17.0.0) developed via Original IRIS Working Group.