Migration notes

This section covers important information for migrating between Nextflow versions. It describes new features, enhancements, breaking changes, deprecations, and other miscellaneous updates that may require action during a migration.

📄️ Migrating to 25.10

Nextflow 25.10 was released on October 22, 2025.

📄️ Migrating to 25.04

Nextflow 25.04 was released on May 8, 2025.

📄️ Migrating to 24.10

Nextflow 24.10 was released on October 27, 2024.

📄️ Migrating to 24.04

Nextflow 24.04 was released on May 20, 2024.

📄️ Migrating from DSL1

In Nextflow version 22.03.0-edge, DSL2 became the default DSL version. In version 22.12.0-edge, DSL1 support was removed and the Nextflow documentation was updated to use DSL2 by default. Users who are still using DSL1 should migrate their pipelines to DSL2 to use the latest versions of Nextflow. This page describes the differences between DSL1 and DSL2 and how to migrate to DSL2.