Changes to audiences may not be reflected if the Audience is saved as part of a template.
- Creator Studio | Campaigns | Deliver
When the number of users in an audience changes, and campaigns or templates using that audience do not display the latest count of users in the audience. This includes when a new campaign is created from a template which holds an old audience size.
This issue has now been resolved by Product Engineers, and moved to Complete on the Known Issues Tracker. (Issue ID: CSUP-3306)