diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3856808..d429f2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,31 @@
 # Hermes Web UI -- Changelog
 
+## [v0.50.38] feat: mobile nav cleanup, Prism syntax highlighting, zh-CN/zh-Hant i18n
+
+Three community contributions combined:
+
+**PR #425 — Remove mobile bottom nav (@aronprins)**
+The fixed iOS-style bottom navigation bar on phones has been removed. The sidebar drawer
+tabs already handle all navigation — the bottom nav was redundant and consumed ~56px of
+vertical chat space. `test_mobile_layout.py` updated with `test_mobile_bottom_nav_removed()`
+and new sidebar nav coverage tests.
+
+**PR #426 — Prism syntax highlighting with light + dark theme token colors (@GiggleSamurai)**
+Fenced code blocks now emit `class="language-{lang}"` on `<code>` elements, enabling Prism's
+autoloader to apply token-level syntax highlighting. Added 36-line `:root[data-theme="light"]`
+token color overrides scoped to light theme only; dark/dim/monokai/nord themes unaffected.
+Background guard uses `var(--code-bg) !important` to prevent Prism's dark background from
+overriding theme variables. 2 new regression tests in `test_issue_code_syntax_highlight.py`.
+
+**PR #428 — zh-CN/zh-Hant i18n hardening (@vansour)**
+Pluggable `resolvePreferredLocale()` function with smart zh-CN/zh-SG/zh-TW/zh-HK variant
+mapping. Full zh-Simplified and zh-Traditional locale blocks added to `i18n.js`. Login page
+locale routing updated in `api/routes.py` (`_resolve_login_locale_key()` helper). Hardcoded
+strings in `panels.js` cron UI extracted to i18n keys. 3 new test files:
+`test_chinese_locale.py`, `test_language_precedence.py`, `test_login_locale.py`.
+
+- Total tests: 1073 (was 1063)
+
 ## [v0.50.37] fix(onboarding): skip wizard when Hermes is already configured
 
 Fixes #420 — existing Hermes users with a valid `config.yaml` were shown the first-run
diff --git a/TESTING.md b/TESTING.md
index 71e788e..57e0c6a 100644
--- a/TESTING.md
+++ b/TESTING.md
@@ -8,7 +8,7 @@
 > Prerequisites: SSH tunnel is active on port 8787. Open http://localhost:8787 in browser.
 > Server health check: curl http://127.0.0.1:8787/health should return {"status":"ok"}.
 >
-> Automated tests: 1063 total (1063 passing, 0 known failures). Includes onboarding coverage for bootstrap/static wizard presence, real provider config persistence (`config.yaml` + `.env`), the `/api/onboarding/*` backend, and the onboarding skip/existing-config guard.
+> Automated tests: 1073 total (1073 passing, 0 known failures). Includes onboarding coverage for bootstrap/static wizard presence, real provider config persistence (`config.yaml` + `.env`), the `/api/onboarding/*` backend, and the onboarding skip/existing-config guard.
 > Run: `pytest tests/ -v --timeout=60`
 
 ---
diff --git a/static/index.html b/static/index.html
index 9459e82..cd47457 100644
--- a/static/index.html
+++ b/static/index.html
@@ -536,7 +536,7 @@
                 <div class="settings-section-title">System</div>
                 <div class="settings-section-meta">Instance version and access controls.</div>
               </div>
-              <span class="settings-version-badge">v0.50.37</span>
+              <span class="settings-version-badge">v0.50.38</span>
             </div>
             <div class="settings-field" style="border-top:1px solid var(--border);padding-top:12px;margin-top:8px">
               <label for="settingsPassword" data-i18n="settings_label_password">Access Password</label>