March 2016 - IRIS v4.0 Released (current version)
Immaterial change. Sector to Influence (PD8808) replaced Sector Focus (PD8808). Metric name modified to improve accuracy. Minor revision to definition language in order to align consistency of metric with catalog's structure and style.
March 2014 - IRIS v3.0 Released
New metric. Sector Focus (PD8808) developed via IRIS Taxonomy Group.