feat(changelog): screenshot diff variants

Author: gregberge

changelogs/2025-02-15__variant-selector/index.mdx

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+---
+title: Screenshot diff variants
+description: Easily compare visual differences across browsers and viewports
+slug: variant-selector
+date: 2025-02-15
+---
+
+![Screenshot diff variants](/assets/changelogs/variant-selector/variant-selector.jpg)
+
+Introduing screenshot diff variants, allowing you to view and select different variations of a screenshot diff based on viewport size or browser.
+
+- **Multi-viewport & multi-browser comparison**: Quickly switch between different versions of a screenshot taken on various browsers and viewports.
+- **Faster debugging**: Easily spot inconsistencies across different environments without switching context.
+- **Better accuracy**: Ensure that visual regressions are correctly assessed across all targeted configurations.
+
+This feature helps teams catch cross-browser and responsive issues faster. You can access screenshot diff variants directly from the diff viewer when inspecting a visual change.