diff --git a/deps/ac-ms-identity b/deps/ac-ms-identity
index 835f021..691c932 160000
--- a/deps/ac-ms-identity
+++ b/deps/ac-ms-identity
@@ -1 +1 @@
-Subproject commit 835f02153e3a9edf3e31d4c0aa2af7fd88362ba9
+Subproject commit 691c9322cbbbc0c2b8e0ce2cdbcb453624e52b63
diff --git a/deps/ac-platform-php b/deps/ac-platform-php
index f4b39be..5159292 160000
--- a/deps/ac-platform-php
+++ b/deps/ac-platform-php
@@ -1 +1 @@
-Subproject commit f4b39bea26d1227249e05c6c91a15b73e0e77641
+Subproject commit 515929238baae0214e910884c248b73a9caed953
diff --git a/views/register.php b/views/register.php
index e79905b..5c8e693 100644
--- a/views/register.php
+++ b/views/register.php
@@ -1,6 +1,9 @@
 <?php
 $bp = Auth::basePath();
 $auth = Auth::authUrl();
+$registerPending = !empty($registerPending);
+$registerExpiresAt = (string) ($registerExpiresAt ?? '');
+$registerEmail = (string) ($registerEmail ?? '');
 ?>
 <!DOCTYPE html>
 <html lang="en" data-theme="dark">
@@ -20,9 +23,14 @@ $auth = Auth::authUrl();
   <link rel="apple-touch-icon" href="<?= h($bp) ?>/assets/apple-touch-icon.ico">
   <link rel="stylesheet" href="<?= h($bp) ?>/assets/css/app.css">
   <script src="<?= h($bp) ?>/assets/js/i18n.js" defer></script>
+  <script src="<?= h($bp) ?>/assets/js/register.js" defer></script>
   <?php AnalyticsHead::render('crashes_register'); ?>
 </head>
-<body class="login-page" data-base-path="<?= h($bp) ?>">
+<body class="login-page" data-base-path="<?= h($bp) ?>"
+      data-auth-base="<?= h($auth) ?>"
+      <?= $registerPending ? ' data-register-pending="1"' : '' ?>
+      <?= $registerExpiresAt !== '' ? ' data-register-expires-ts="' . (int) strtotime($registerExpiresAt) . '"' : '' ?>
+      <?= $registerEmail !== '' ? ' data-register-email="' . h($registerEmail) . '"' : '' ?>>
   <div class="login-locale">
     <label class="toolbar-select locale-toolbar-select" data-i18n-title="lang.label" title="Language">
       <span class="locale-flag" aria-hidden="true">🇬🇧</span>
@@ -32,17 +40,14 @@ $auth = Auth::authUrl();
       </select>
     </label>
   </div>
-  <form class="login-card" method="post" action="<?= h($auth) ?>/register">
+  <form class="login-card" id="register-form" method="post" action="<?= h($auth) ?>/register"<?= $registerPending ? ' hidden' : '' ?>>
     <h1 data-i18n="register.title">Create account</h1>
     <p class="muted" data-i18n="register.hint">We will email a verification link before you can sign in.</p>
     <?php if (!empty($registerError)): ?>
       <div class="alert"><?= h($registerError) ?></div>
     <?php endif; ?>
-    <?php if (!empty($registerSuccess)): ?>
-      <div class="alert alert--ok"><?= h($registerSuccess) ?></div>
-    <?php endif; ?>
     <label><span data-i18n="register.email">Email</span>
-      <input name="email" type="email" autocomplete="email" required value="<?= h($registerEmail ?? '') ?>"></label>
+      <input name="email" type="email" autocomplete="email" required value="<?= h($registerEmail) ?>"></label>
     <label><span data-i18n="register.username">Username</span>
       <input name="username" autocomplete="username" value="<?= h($registerUsername ?? '') ?>"></label>
     <label><span data-i18n="register.password">Password</span>
@@ -50,6 +55,22 @@ $auth = Auth::authUrl();
     <button type="submit" data-i18n="register.submit">Register</button>
     <p class="hint"><a href="<?= h($auth) ?>/login" data-i18n="register.back_login">Back to sign in</a></p>
   </form>
+
+  <section class="login-card" id="register-pending"<?= $registerPending ? '' : ' hidden' ?>>
+    <h1 data-i18n="register.pending_title">Check your email</h1>
+    <p class="muted" data-i18n="register.pending_hint">We sent a verification link. Confirm your email before signing in.</p>
+    <?php if (!empty($registerSuccess)): ?>
+      <div class="alert alert--ok"><?= h($registerSuccess) ?></div>
+    <?php endif; ?>
+    <p id="register-pending-email" class="muted"><?= $registerEmail !== '' ? h($registerEmail) : '' ?></p>
+    <p class="register-countdown-wrap">
+      <span data-i18n="register.countdown_label">Link expires in</span>
+      <strong id="register-countdown" aria-live="polite">—</strong>
+    </p>
+    <p id="register-resend-status" class="muted" aria-live="polite"></p>
+    <button type="button" class="btn" id="register-resend-btn" data-i18n="register.resend">Resend verification email</button>
+    <p class="hint"><a href="<?= h($auth) ?>/login" data-i18n="register.back_login">Back to sign in</a></p>
+  </section>
   <?php platform_render_footer(); ?>
 </body>
 </html>
