ui: crossfade page changes with cross-document view transitions#63
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Same-origin page loads now crossfade via the CSS-only @view-transition opt-in (Chrome 126+ / Safari 18.2+; other browsers keep the instant swap). The navbar and sidebar carry their own view-transition-name so the app shell stays put — only the content and the active sidebar item crossfade, at --timing-fast (120ms). Gated on prefers-reduced-motion: no-preference.
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What
Same-origin page loads now crossfade using cross-document view transitions — the CSS-only
@view-transition { navigation: auto }opt-in. The navbar and sidebar carry their ownview-transition-name, so the app shell stays put while only the content (and the active sidebar item) crossfades.Matches the console, which ships the same page-change animation for its client-side navigations in deploys-app/console#324.
The transition, slowed to 1.2s for visibility (real speed is
--timing-fast, 120ms) — navbar and sidebar static, content crossfading:Notes
prefers-reduced-motion: no-preference.::view-transition-group(*)is included in the duration override so the transition doesn't outlive the fades at the UA-default 250ms.pagerevealfires with aviewTransitionon every hop, and mid-transition frames show the static shell + content crossfade.