RunsOn RunsOn

v2.12.1

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Fixes

  • Fix Magic Cache regression when uploading large payloads. Fixes #460.

  • Add warning instead of failing when invalid family requirements are given. Fixes #462.

2026-03-15-001222-Cyril — Filter incompatible families before CreateFleet · runs-onserver@8d764f1
  • Improve dangling instance cleanup. Fixes #459.

  • Improve warning when spot quota reached, so that we know for which family.

2026-03-19-001248-runs-on com – MaxSpotInstanceCountExceeded (966509368716us-east-1runs-on-preview)
  • When switching a CloudFormation stack from public to private subnets, add a CloudFormation delay through one-off lambda function that verifies network connectivity first. Without it this could sometimes cause a rollback of the AppRunner service due to network changes not being fully propagated when the service starts, while the CloudFormation stack reported success.

  • Fix windows disk resizing that could take 90s, down to 5s.

  • Security dependency updates.

Notes

This is the first release since switching to a monorepo structure, with some large internal changes. Hopefully we didn't break anything, but be prepared to roll back if needed.