Allison announces that GitHub Actions workflows triggered by workflow_dispatch now support up to 25 input parameters, resolving previous limitations and improving workflow flexibility for the DevOps community.

GitHub Actions workflow_dispatch Now Supports 25 Inputs

Developers and DevOps engineers using GitHub Actions can now define up to 25 input parameters for workflows triggered by the workflow_dispatch event.

Previously, the input limit was 10, which often forced users to employ workarounds like combining multiple parameters into a single JSON string. This update eliminates those constraints, enabling more granular and readable configuration of manually or API-triggered workflows.

What’s Changed

Increased Input Limit: Maximum inputs for workflow_dispatch triggers raised from 10 to 25.
No More Workarounds: Teams no longer need to consolidate data into a single parameter; each required input can be defined separately.
Manual and API Flexibility: The new limit applies to workflows started both manually through the GitHub UI and via API calls, helping teams automate more complex scenarios with clearer intent.

Example Use Case

A deployment pipeline can now accept separate parameters for environment, version, feature flags, and other options—up to 25—making workflows easier to maintain and debug.

See the official GitHub Blog announcement for more details and feedback from the developer community.

Originally posted by Allison on The GitHub Blog.

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