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Announcing StackOne Defender: leading open-source prompt injection guard for your agent Read More

May 2026

Connector Versioning

Platform teams managing integrations at scale need to know exactly what connector version each customer is running, control when updates roll out, and maintain a stable production environment while iterating in staging. Connector Versioning brings full semantic versioning, per-config pinning, and immutable pushes to StackOne — giving teams the same release discipline they apply to their own software.

What’s new

  • Semver for connectors - Connectors declare info.version: 1.0.0 in their YAML. Full MAJOR.MINOR.PATCH semantics apply — major bumps signal breaking changes to authentication, response shape, or action signatures
  • Per-config version pinning - Pin any integration config to a specific version, Latest StackOne, or Latest custom via the Dashboard or API. Enables parallel prod/test within the same project: “Production Workday” stays on 1.2.0 while “Sandbox Workday” tests 1.3.0
  • Immutable pushes - stackone push rejects duplicate version numbers by default. Any change requires a new version number. Toggle in Project Settings → Danger Zone
  • Version metadata on every response - resolvedVersion, isPinned, isLegacy, isCustom, and owner are now returned on all /integrations and /accounts responses
  • Custom connector isolation - Custom versions are project-scoped and take precedence over StackOne versions with the same key. Existing auth configs are auto-pinned to the current StackOne version on first custom push

Read the Connector Versioning docs

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