What's Coming in ArcGIS Experience Builder in ArcGIS Enterprise 12.1

[Jianxia]

A sneak peek into new features in Experience Builder in ArcGIS Enterprise 12.1 (Coming May 2026).

ArcGIS Enterprise 12.1 picks up new features from ArcGIS Experience Builder in ArcGIS Online October 2025 and February 2026 updates. Key highlights include new Login widget to restrict access layers and pages, copy/paste editing tools, and enhanced Theme system.  For more information, check out the blog links below.

• https://www.esri.com/arcgis-blog/products/experience-builder/announcements/whats-new-in-arcgis-exper...
• https://www.esri.com/arcgis-blog/products/experience-builder/announcements/whats-new-in-arcgis-exper...

[TomShewring]

Hi, are you able to give an indication as to when in May we can expect the 12.1 release?

[Jianxia]

@TomShewring, ArcGIS Enterprise 12.1 (Window/Linux) is planned to be available on May 21.

[LefterisKoumis]

Will this table be upgraded? Is version 12.1 compartible with developer version 1.20, react 19? 

Last time I checked the latest versions to work with ArcGIS Enterprise 12.0 were with ExB 1.18, react 18 and developer version 1.18.

https://developers.arcgis.com/experience-builder/guide/release-versions/

[Jianxia]

@LefterisKoumis , yes, ArcGIS Enterprise 12.1 is compatible with dev edition 1.20 and react 19. We will update it.