Close signed tasks, open follow-ups, carry revision notes. Every one is ready to run, and you can adjust it in plain language.
Put prioritized customer defects in the engineering queue with clear evidence.
Your engineering team gets a prioritized bug in its issue tracker, and your support owner gets the link on the case.
Show changes since approval and request the required reviewers.
Your engineering lead sees what changed after sign-off and who needs to review it before merging continues.