AWS HealthOmics now supports Nextflow version pinning at run time
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This article announces that AWS HealthOmics now supports Nextflow version pinning at run time, allowing customers to specify the Nextflow engine version via the StartRun API.
- Customers can pin runs to specific Nextflow versions for controlled migration
- Supported versions include 22.04, 23.10, 24.10, 25.10, and 26.04
- StartRun API parameter takes precedence over workflow manifest specifications
- Test workflows across multiple engine versions without modifying source code
- Production workflows stay on validated versions while development tests newer versions
- Reduces risk in regulated environments requiring pipeline validation
- Available in all AWS HealthOmics regions globally
This feature enables safer Nextflow version upgrades by allowing parallel testing and validation before production deployment.
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