diff --git a/CHANGELOG.md b/CHANGELOG.md
index 637644dbc..353f43d30 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,28 @@
 # Changelog - Veza
 
+## [v0.801] - 2026-02-25
+
+### Added
+- User preferences: migration 118 user_preferences table with appearance fields (contrast, density, accent_hue, font_size)
+- PUT /users/me/preferences: persist theme, contrast, density, accentHue, fontSize
+- High contrast mode: WCAG AA compliant palette (data-contrast="high")
+- Density modes: compact (reduced spacing ~25%), comfortable
+- Accent color: customizable hue via ThemeProvider, 5 presets in Settings
+- Font size: adjustable 14–20px via slider, CSS variable --sumi-font-size-base
+- useReducedMotion hook: prefers-reduced-motion media query
+- useWakeLock hook: Screen Wake Lock for background playback on mobile
+- PWA: re-enabled service worker with safe caching (JS/CSS never cached)
+- Install App button in Settings when PWA is installable
+- ARIA: aria-haspopup="menu" on dropdowns, aria-label on icon buttons (sidebar, player, modals)
+- Focus visible: 2px outline with offset on :focus-visible
+
+### Changed
+- ThemeProvider extended with contrast, density, accentHue, fontSize
+- AppearanceSettingsView wired to ThemeProvider and backend sync
+- Service worker: network-only for /assets/ and .js/.css, cache images/fonts only
+
+---
+
 ## [v0.703] - 2026-02-25
 
 ### Added
diff --git a/docs/FEATURE_STATUS.md b/docs/FEATURE_STATUS.md
index f04fe5b0a..53586cf83 100644
--- a/docs/FEATURE_STATUS.md
+++ b/docs/FEATURE_STATUS.md
@@ -1,6 +1,6 @@
 # Statut des fonctionnalités — Veza
 
-**Dernière mise à jour** : février 2026 — v0.703 livrée (Go Live & Streaming Complet)
+**Dernière mise à jour** : février 2026 — v0.801 livrée (UX/UI Polish, Accessibilité & PWA)
 
 Ce document décrit le statut réel des fonctionnalités par rapport au code.
 
@@ -205,6 +205,16 @@ Voir [V0_702_RELEASE_SCOPE.md](archive/V0_702_RELEASE_SCOPE.md) pour le détail.
 
 Voir [V0_703_RELEASE_SCOPE.md](V0_703_RELEASE_SCOPE.md) pour le détail.
 
+## Livré en v0.801 (Phase 8 — UX/UI Polish, Accessibilité & PWA)
+
+| Lot | Feature |
+|-----|---------|
+| UX1 | Thèmes avancés : high contrast, compact/comfortable density, accent color, font size 14–20px |
+| UX1 | User preferences : migration 118, PUT /users/me/preferences |
+| UX2 | Accessibilité : ARIA labels, aria-haspopup menu, focus-visible ring, useReducedMotion |
+| UX3 | PWA : service worker re-enabled (safe caching), Install App in Settings |
+| UX3 | Background playback : useWakeLock for mobile |
+
 ## Prévu en v0.403 (Phase 4 Commerce — suite)
 
 | Lot | Feature |
diff --git a/docs/PROJECT_STATE.md b/docs/PROJECT_STATE.md
index 5dc94c2cf..431a5d740 100644
--- a/docs/PROJECT_STATE.md
+++ b/docs/PROJECT_STATE.md
@@ -8,10 +8,10 @@
 
 | Élément | Valeur |
 |---------|--------|
-| **Dernier tag** | v0.703 |
+| **Dernier tag** | v0.801 |
 | **Branche courante** | `main` |
-| **Phase** | Phase 7 — Production Readiness |
-| **Prochaine version** | v0.801 |
+| **Phase** | Phase 8 — Polish & Scale |
+| **Prochaine version** | v0.802 |
 
 ---
 
@@ -79,6 +79,13 @@
 - Tests unitaires : reviews (6), invoices (4), refunds (6)
 - API_REFERENCE.md : sections Reviews, Invoices, Refunds
 
+### v0.801 (Phase 8 — UX/UI Polish, Accessibilité & PWA)
+- User preferences: migration 118, PUT /users/me/preferences (contrast, density, accentHue, fontSize)
+- Thèmes avancés: high contrast, compact/comfortable density, accent color, font size 14–20px
+- Accessibilité: ARIA labels, aria-haspopup menu, focus-visible ring, useReducedMotion
+- PWA: service worker re-enabled (safe caching), Install App in Settings
+- Background playback: useWakeLock for mobile
+
 ### v0.703 (Phase 7 — Go Live & Streaming Complet)
 - Go Live : page /live/go-live, stream key, OBS instructions
 - Endpoints : GET/POST /live/streams/me/key, GET /live/streams/me, PUT /live/streams/:id