Version Download 1287 File Size 135.08 KB File Count 1 Create Date 27 April 2016 Last Updated 17 June 2021 Download Description Differences between the 1v4 and 2015 Specifications The following white paper does do exactly that: document the changes between 1v4 and 2015 in clear and easily understandable language. Share this post TweetShare on Twitter Pin itShare on Pinterest Share on FacebookShare on Facebook Share on LinkedInShare on LinkedIn