Engine - Upgrade to a specific version

Phillip Ho

The Engine dashboard now shows all recent versions with timestamps and allows you to select any version to upgrade or downgrade to.

Find the improved version selector in the upper right corner of the Engine dashboard.

While Engine releases follows semantic versioning, non-major updates may add input validation or fix an incorrect response (e.g. a 500 that should have been a 400 response). These fixes correct behavior, but in rare cases this may conflict with how your backend sends or parses requests. In these cases, you can now self-service downgrade to a previous Engine version.

Example: Engine used to rely on an older SDK that did not strictly enforce ABIs. In a newer update, provided ABIs must match the proper spec. This may cause write calls that provided an incomplete ABI to start throwing an error.

We're aiming to provide visibility in the dashboard when Engine versions change shortly. We also plan to roll out a predictable schedule when cloud-hosted Engines may receive critical security or reliability updates.

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