A customer has noticed a campaign from January 2023 is showing being sent to multiple users in April 2023 under the Recipient Details section of the Campaign Performance report.
Classic Studio | Analyze | Campaign Performace Report
Studio | Insights | Campaign Performace Report
Under the Recipient Details section of the Campaign Performance report, the 'Send Date' is misleading and not actually the send date rather it tracks the latest open events.
Please check the current status of this issue on the Known Issues Tracker. (Issue ID: CSUP-2279)