Add Visual Regression Testing to GitHub Actions in Five Minutes for AI-Built UIs

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A developer argues that AI coding assistants now ship frontend changes faster than teams can review them, introducing recurring visual bugs like layout shifts and broken responsive breakpoints. Existing agent tools that screenshot and verify a single change are useful but do not track visual quality across releases over time. The author proposes a persistent CI-based baseline system that compares each pull request against approved screenshots across desktop and mobile viewports. The approach uses per-category thresholds for fonts and animations to reduce false positives, and groups related AI-generated changes into a single review. The author is promoting UICanary, a product still in presale development, with a free tier and a discounted early-bird subscription.

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