The release history contains information on all the new controls, breaking changes, improvements, new features and bug fixes for Web API Edition since the previous release. Choose a release version to learn more:
2017 v2
2017 v1
2016 v3.5
2016 v3
2016 v2.5
2016 v2
2016 v1.5
2016 v1
2015 v3.5
2015 v3
2015 v2.5