Moving forward, development efforts will be focused on bringing functional parity from ArcGIS Web AppBuilder to ArcGIS Experience Builder. ArcGIS Experience Builder is built on the latest web technology and version 4.x of the ArcGIS API for JavaScript. Thus, it offers optimized performance, and enables an extensive suite of capabilities far beyond what version 3.x of the ArcGIS API and ArcGIS Web AppBuilder provide, such as mobile optimization, 2D and 3D in one app, flexible design, custom workflows, and integration with other ArcGIS apps.

'ArcGIS Web AppBuilder leverages version 3.x of the ArcGIS API for JavaScript, and we continue to maintain the product within the limitation of the technology. We have now shared the following plans under What are the current plans for ArcGIS Web AppBuilder and ArcGIS Experience Builder at Frequently Asked Questions on the product page. At Esri User Conference in San Diego this year, many of you asked for the plans for ArcGIS Web AppBuilder and ArcGIS Experience Builder.

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