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Inngest · Concept

Function versioning

Inngest lets you change long-running functions without explicit version markers. It resumes in-progress runs with current code and reuses results for completed steps whose IDs still match.

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  • Step-based memoization
  • Durable execution concepts
  • Step identifiers
  • Loops

Source: Versioning and Function Evolution. Checked 2026-11-03.