What method is used to undo transactions in ArcGIS Online?

The method used to undo transactions in ArcGIS Online is restoring previous versions of feature layers. This approach leverages the versioning capabilities inherent in feature layers, allowing users to effectively revert to a prior state of the data. When changes are made to feature layers, these changes are tracked, and users can access earlier versions of the data. This feature is particularly useful when an unintentional modification or error occurs, enabling admins to quickly return to a stable version without losing data integrity or having to manage the complexities of backups or manual deletions.

This versioning capability is essential in maintaining the accuracy of data presented in mapping applications and for ensuring collaboration among multiple users working on the same features, as it allows for a record of changes over time. By accessing previous versions, administrators can confidently reverse unwanted changes while maintaining a clear audit trail.