We have recently confirmed a critical bug found in release AhsayCBS v8.5.4.86 (Release Date: 2021-10-11) that affects any Run on Server (Agentless) backup sets where its Retention Policy is configured by Preempted Policy.
If the backup set's Retention Policy is configured by Preempted Policy, the value is ignored and the Retention settings will have an effective retention of “7 days” (equivalent to default Simple setting) regardless of what is displayed.
Examples,