Ensure event listeners are passive

material/assets/manifest.json

@@ -1,10 +1,10 @@
 {
-  "assets/javascripts/bundle.js": "assets/javascripts/bundle.1696ff1a.min.js",
-  "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.1696ff1a.min.js.map",
+  "assets/javascripts/bundle.js": "assets/javascripts/bundle.9540cf4a.min.js",
+  "assets/javascripts/bundle.js.map": "assets/javascripts/bundle.9540cf4a.min.js.map",
   "assets/javascripts/vendor.js": "assets/javascripts/vendor.0c35f0aa.min.js",
   "assets/javascripts/vendor.js.map": "assets/javascripts/vendor.0c35f0aa.min.js.map",
   "assets/javascripts/worker/search.js": "assets/javascripts/worker/search.2613054f.min.js",
   "assets/javascripts/worker/search.js.map": "assets/javascripts/worker/search.2613054f.min.js.map",
-  "assets/stylesheets/main.css": "assets/stylesheets/main.e81a0042.min.css",
+  "assets/stylesheets/main.css": "assets/stylesheets/main.26b5f3f7.min.css",
   "assets/stylesheets/palette.css": "assets/stylesheets/palette.31180ff2.min.css"
 }

material/base.html

@@ -41,7 +41,7 @@
       {% endif %}
     {% endblock %}
     {% block styles %}
-      <link rel="stylesheet" href="{{ 'assets/stylesheets/main.e81a0042.min.css' | url }}">
+      <link rel="stylesheet" href="{{ 'assets/stylesheets/main.26b5f3f7.min.css' | url }}">
       {% if palette.primary or palette.accent %}
         <link rel="stylesheet" href="{{ 'assets/stylesheets/palette.31180ff2.min.css' | url }}">
       {% endif %}
@@ -178,7 +178,7 @@
     {% endblock %}
     {% block scripts %}
       <script src="{{ 'assets/javascripts/vendor.0c35f0aa.min.js' | url }}"></script>
-      <script src="{{ 'assets/javascripts/bundle.1696ff1a.min.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/bundle.9540cf4a.min.js' | url }}"></script>
       {%- set translations = {} -%}
       {%- for key in [
         "clipboard.copy",

src/assets/javascripts/browser/viewport/offset/index.ts

@@ -74,8 +74,8 @@ export function setViewportOffset(
  */
 export function watchViewportOffset(): Observable<ViewportOffset> {
   return merge(
-    fromEvent<UIEvent>(window, "scroll"),
-    fromEvent<UIEvent>(window, "resize")
+    fromEvent<UIEvent>(window, "scroll", { passive: true }),
+    fromEvent<UIEvent>(window, "resize", { passive: true })
   )
     .pipe(
       map(getViewportOffset),

src/assets/javascripts/patches/scrollfix/index.ts

@@ -83,7 +83,7 @@ export function patchScrollfix(
   iif(isAppleDevice, els$, NEVER)
     .pipe(
       switchMap(els => merge(...els.map(el => (
-        fromEvent(el, "touchstart")
+        fromEvent(el, "touchstart", { passive: true })
           .pipe(
             mapTo(el)
           )

src/base.html

@@ -68,7 +68,7 @@
       {% endif %}
 
       <!-- Favicon -->
-      <link rel="shortcut icon" href="{{ config.theme.favicon | url }}">
+      <link rel="shortcut icon" href="{{ config.theme.favicon | url }}" />
 
       <!-- Generator banner -->
       <meta