Product & Business

Major API Version Upgrade Timeline

Product Management diagram · made in Skemio

Timeline for API deprecation: 1. Dual-Run Launch, 2. Sunset Headers, 3. Brownout Drills, 4. Hard Decommission.
Timeline for API deprecation: 1. Dual-Run Launch, 2. Sunset Headers, 3. Brownout Drills, 4. Hard Decommission.
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What it shows

  • Release v2 specs and migration SDKs at least 6 months before cut-off.
  • Sunset warnings must appear directly inside HTTP response headers.
  • Brownout drills intentionally trigger temporary errors to wake up stale callers.

The takeaway

Brownouts surface sleeping API clients in daylight, long before the final shutdown breaks them.

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