ArcGIS API for JavaScript 4.9 and 3.26

[BjornSvensson]

Today we released versions 4.9 and 3.26 of the ArcGIS API for JavaScript. Read more about it in:

• Blog: ArcGIS API 4.9 for  What’s new (September 2018)

and even more details in

• Release notes for 4.9
• What's new in Version 3.26