Merged with does not always work

[keith]

Your lists are the same. Bubble dedupes non-unique items.

It’s easy to forget that at times. (I made the same mistake recently and posted about it here — was totally stumped until Support reminded me about it.)

A Very Odd Bug in :merged with Operator

Just following up on my own report: I didn’t realize this as I hadn’t inspected the problem data set fully, but it turns out what I’m seeing is expected Bubble behavior. The list(s) that do not merge correctly are lists that contain duplicate values. These values are sourced from an API and so, until touched by Bubble can and may contain duplicate values. (In this case, we are talking about lists of start dates and lists of end dates that represent booking start/end [check-in / check-out] pair…