Yep, I agree my original segment is imperfect. As I mentioned, additional opt-in/out selections made after the first opt-out>opt-in pair will all be returned for that visitor in my original segment. @bhutton here's an updated segment that I think will give you what you're looking for:Change the segm...

Try a sequential "visitor" segment using non-repeating instances your dimension (with "Only after sequence" applied to the segment). Most* of the data in the dimension report should be the "last one in" in the date range you have selected.*It's "most" but not "all" because any additional opt-in/out ...

Assuming your Adobe Data Collection Tags (Launch) code is loading in the parent window, so long as the iframe content has the same-origin (hostname) you can use something like this in a Rule Event -> Extension:Core -> Event Type:Custom Codedocument.getElementById('your iframe id here').onload = func...

Idea: Some type of customer facing "View History" tab or log in the Adobe Analytics Admin interface containing detailed Marketing Channel Processing Rule change history, similar to how the Processing Rules "View History" tab contains detailed historical changes/versions made to the processing rules....

Duplicate of https://experienceleaguecommunities.adobe.com/t5/adobe-analytics-ideas/workspace-add-images/idi-p/341629