Version 4.3.4-1 of pdfsam is marked for autoremoval from testing on Sun 04 May 2025. It is affected by #1095365. You should try to prevent the removal by fixing these RC bugs.
Migration status for pdfsam (4.3.4-1 to 4.3.4-2): BLOCKED: Cannot migrate due to another item, which is blocked (please check which dependencies are stuck)