See also deployability

Belongs to the key devops metrics.

Change failure rate: the percentage of code changes that require hot fixes or other remediation after production. This does not measure failures caught by testing and fixed before code is deployed.

quoted from Atlassian

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High-performing teams have change failure rates in the 0-15 percent range. 

The same practices that enable shorter lead times — test automation, trunk-based development, and working in small batches — correlate with a reduction in change failure rates. All these practices make defects much easier to identify and remediate. 

quoted from Atlassian