User guide – Differences between GWG 2012 v4 and GWG 2015 Specifications
Change is easier if it is clearly explained what changes, and why it changes. This user guide does do exactly that: document the changes between 1v4 and 2015 in clear and easily understandable language. Each chapter highlights one particular area that has changed and discusses the reasons behind the change and the repercussions that change may have in today’s workflows.
Differences between the GWG 2015 and 2022 specifications
Are you instead a software or hardware developer who needs to understand the new specifications from a technical point of view? You should still read the chapter on using the 2022 specifications, but you should also read the “Developing against the 2022 specifications” chapter.