28.2.0

What's Changed

• Split style invalidations at first paint/lcp by @soulgalore in #2530
• Test the visual metrics calculations in CI by @soulgalore in #2532
• Precompute filmstrip frame diffs in visual metrics by @soulgalore in #2531
• Add opt-in noise tolerance to Visual Metrics frame elimination by @soulgalore in #2528
• Remove dead code from visual metrics by @soulgalore in #2534
• Add a visual instability heatmap to the frame diffs by @soulgalore in #2533
• Only require OpenCV and pyssim when their metrics are requested by @soulgalore in #2535
• Count differing pixels without materializing them by @soulgalore in #2536
• Reset VisualComplete99 when the page repaints backward by @soulgalore in #2537

Full Changelog: v28.1.0...v28.2.0