To me, this is clearer now with "X Don't add" and "+ Add", less confusing messaging than 'Cancel'.
Continuing the discussion from ODK Central v2025.3 - Map view for Submissions, Bulk deleting Entities, Entities from Repeats and the latest Web Forms:
@Tyler_Depke reminded me about this. I didn't think that a Collect beta offered this feature yet as I haven't seen it mentioned in the Beta announcements or the thread about entities from repeats, but did I miss it? Looking at the beta release notes, is this it?
Add experimental opt-in for entities spec v2025.1