← Release Management: prepare, deploy, and recover
06 / 6 · 40 MIN

Handover and lifecycle

Deliver operational capability and retire old dependencies using evidence.

Concept and mechanism

A release still needs follow-through after the final installation. Define who validates the business outcome, who monitors indicators, and when the service enters normal operation. The receiving team should be able to diagnose, escalate, and recover within the expected scope. This needs useful runbooks, appropriate access, alerts, contacts, known limits, and owned outstanding items. Sending a document does not establish that support can operate independently. Confirm receipt and understanding and record conditions for ending enhanced support. A readiness review can reveal gaps before launch and incorporate incident learning adapted to the architecture and service involved.

Guided application

In a fictional modernization example, a new API replaces part of an old application, but monthly closing still uses a legacy batch. Absence of web traffic does not justify switching off the entire system. Identify dependencies across the business cycle, validate consistency, and plan state preservation before removing components. Incremental migration may retain temporary coexistence and routing with their own costs and risks. Removing old objects may make rollback depend on restoration and data replay, increasing effort and risk. Close the release with acceptance evidence, deviations, improvement actions, and a record of what remains in service. Do not declare decommissioning savings while corresponding resources and obligations remain active.

IN PRACTICE

Migrating daily traffic does not establish that monthly closing no longer depends on legacy.

Common pitfalls

Sent document as autonomy; new API as full decommissioning; planned cost as removed cost.

Related topics: Scope and coordination · Artifacts and traceability · Readiness and authorization

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Deliver an operable service and treat component retirement as work with its own criteria.

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Reference: Contextual operational readiness across the service lifecycle · Release management practices 2026-09; scoped GitLab GitHub CodeDeploy and EF Core documentation