k6 Release Notes

Grafana Labs k6 load testing updates

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Last checked 12 Oct 2026, 17:04 GMT+2

Latest updates

Summary generated 2 Oct 2026.

k6 v2.3.0 shipped with a --scenario flag to run selected parts of a test.
A --once flag was added to reuse load-test scripts for smoke and functional testing.
Experimental async group() support was included, keeping metrics in the right group across await.

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