Product Updates

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March 13, 2026
Guarded Release

Tim Cook

Absolute difference with no metric thresholds

What's new?

As a planned addition to the recent sequential testing release, we have made an important update to the current Guardian stats setup and config. Guarded releases now use absolute difference (not relative difference) when measuring regressions and displaying charts. Additionally, with our new improved stats approach (and reduced false positives) we no longer require customers to set manual metric thresholds and they have been removed from the configuration.

Why does it matter?

Charts won't show wide variability during the early stages (esp. when one value is zero).
Go use Guarded Releases! They're smoother than ever.

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