Deprecation And Migration

---
name: Deprecation And Migration
description: Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another. Use when deciding whether to maintain or sunset existing code.
---

# Deprecation And Migration

Part of the **Production Engineering Skills** pack by Addy Osmani (`addyosmani/agent-skills`).

Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another. Use when deciding whether to maintain or sunset existing code.

This catalog entry summarizes the skill for discovery. Get the full skill — including any bundled scripts and resources — from the source:

Full skill & source: https://github.com/addyosmani/agent-skills/tree/main/skills/deprecation-and-migration