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Fusion v2.5.12

How to pin this version​

fusion {
  enabled = true
  containerConfigUrl = 'https://fusionfs.seqera.io/releases/v2.5.12-amd64.json'
}
info

For ARM64 CPU architecture, use containerConfigUrl = 'https://fusionfs.seqera.io/releases/v2.5.12-arm64.json'.

Feature updates and improvements​

General​

  • Improved chunk download resilience on unreliable networks. Reads no longer fail with EIO when an object store stream stalls or truncates mid-transfer. Fusion watches each chunk download for progress, cancels streams that stop, and resumes from where the transfer left off with exponential backoff. This removes the multi-minute hangs and read failures seen in environments with intermittent object store connectivity, typically missing VPC endpoints or congested egress paths. Healthy slow links are unaffected.
  • Added a log entry when an application tries to create a hard link inside a Fusion mount, for example certain bioinformatics tools and snapshot workflows. The entry names the operation and the calling process and points to the available workarounds, a symbolic link or a copy. Hard links remain unsupported and the error returned to the application is unchanged.

Dependencies​

  • Updated dependencies.

Upgrade notes​

  • Drop-in replacement for v2.5.x. No configuration changes required.
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