Developers propose baseline method to manage legacy accessibility violations in CI

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A software developer proposed a baseline ratchet method for managing automated accessibility testing in continuous integration pipelines. This approach involves recording existing accessibility violations on a legacy codebase as a baseline, then only failing new pull requests if they introduce new violations or increase the count of existing ones. The method was demonstrated using a Python script and axe-core accessibility testing tool on three demo HTML pages. The technique aims to prevent new accessibility debt from being introduced while allowing teams to address legacy violations over time.

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