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AWS omics documentation change

Service: omics · 2026-06-04 · Documentation low

File: omics/latest/dev/workflow-definition-nextflow.md

Summary

Added documentation for Nextflow v26.04 release notes including supported features, deprecations, and HealthOmics compatibility notes

Security assessment

The changes document version-specific feature support and deprecations without addressing vulnerabilities. The isolated network note clarifies existing security boundaries but doesn't introduce new security content.

Diff

diff --git a/omics/latest/dev/workflow-definition-nextflow.md b/omics/latest/dev/workflow-definition-nextflow.md
index 2f94bfe59..6988dd166 100644
--- a//omics/latest/dev/workflow-definition-nextflow.md
+++ b//omics/latest/dev/workflow-definition-nextflow.md
@@ -7 +7 @@
-Use nf-schema and nf-validation pluginsSpecify storage URIsNextflow directivesUse Nextflow profilesExport workflow-level contentExport task contentSpecify the Nextflow syntax version
+Use nf-schema and nf-validation pluginsSpecify storage URIsNextflow directivesUse Nextflow profilesExport workflow-level contentExport task contentSpecify the Nextflow syntax versionNextflow v26.04 release notes
@@ -30,0 +31,2 @@ Nextflow DSL2 is based on the Groovy programming language, so parameters are dyn
+  * Nextflow v26.04 release notes
+
@@ -438,0 +441,25 @@ For Nextflow v25.10.0 and earlier, HealthOmics does not support the v2 parser.
+## Nextflow v26.04 release notes
+
+The following tables summarize HealthOmics support for new features, enhancements, and deprecations released in Nextflow version 26.04.
+
+### New features and enhancements
+
+Feature | From version | HealthOmics support | Notes  
+---|---|---|---  
+Strict syntax parser (default) | 26.04 | Yes | Enabled by default from v26.04. Legacy parser available via `syntaxVersion: "v1"` in engine settings.  
+Record types | 26.04 | Yes | For more information, see [Records](https://docs.seqera.io/nextflow/script#records) in the Seqera Nextflow documentation.  
+Workflow output summaries | 26.04 | Yes | Prints a summary of workflow outputs on run completion. Output format configurable via `outputFormat` in engine settings. For more information, see [Specify engine settings](./starting-a-run.html#start-run-api-engine-settings).  
+Agent logging mode | 26.04 | Yes | Configurable via `agentMode` in engine settings. For more information, see [Specify engine settings](./starting-a-run.html#start-run-api-engine-settings).  
+Module system (Nextflow Registry) | 26.04 | No | HealthOmics workflows run in an isolated network with no outbound internet access. You can include modules directly in your workflow zip.  
+Static typing (preview) | 26.04 | No | HealthOmics does not support preview features.  
+Auto-load collection params from files | 26.04 | No | Requires static typing (preview), which HealthOmics does not support.  
+Multi-revision pipelines checkout | 26.04 | N/A | Not applicable. HealthOmics does not use Git-based pipeline checkout.  
+  
+### Deprecations
+
+Deprecated item | From version | Impact | Recommended action  
+---|---|---|---  
+`listFiles()` method | 26.04 | Deprecation warning | Replace with `listDirectory()`.  
+`nextflow.enable.strict` flag | 26.04 | No longer needed | Remove from config. Strict mode is now the default.  
+`manifest.defaultBranch` | 26.04 | No longer needed | Remove from config. HealthOmics does not use Git-based pipeline checkout and has never supported this option.  
+