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Bug

The ArcGIS Instant Apps Basic template no longer displays custom CSS configured for pop-ups within the Theme & Layout section.

ArcGIS Instant Apps
Bug ID Number BUG-000180429
SubmittedOctober 27, 2025
Last ModifiedOctober 30, 2025
Applies toArcGIS Instant Apps
Version foundOctober 2025
Operating SystemWindows OS
Operating System Version11.0 64 bit
StatusAs Designed

Additional Information

This is a known limitation with the current updates. Changes to the pop-up can be done using Arcade in ArcGIS Online Map Viewer and will be respected in the Basic template.

Steps to Reproduce

Bug ID: BUG-000180429

Software:

  • ArcGIS Instant Apps

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