Engine Support Matrix

Engine	Import	Export	Feature Coverage
Snakemake	✅	✅	Wildcards, resources, conda, containers, run blocks (checkpoints partial)
HTCondor DAGMan	✅	✅	Inline submit, RETRY, PRIORITY, custom ClassAds
CWL v1.2	✅	✅	Scatter, when, secondaryFiles, expressions
Nextflow DSL2	🚧 Partial	🚧 Partial	Processes, basic channels; modules & params TODO
WDL 1.1	✅	✅	Scatter, runtime; subworkflows limited
Galaxy (.ga)	✅	✅	Basic steps, metadata; advanced collections pending

Legend: ✅ = fully supported | 🚧 = basic support, enhancements planned

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For details on limitations and roadmap see the design document.