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
Material change. Full-time Wages: Management (OI6069), Full-time Wages: Female Management (OI5247), and Full-time Wages: Minority/Previously Excluded Management (OI3862) replaced Wages: Full-time Skilled Employees (OE15.1.0). Metric trifurcated due to framework upgrade.
September 2009 - IRIS v1.0 Released
New metric. Wages: Full-time Skilled Employees (OE15.1.0) developed via Original IRIS Working Group.