diff --git a/extra/chromium/PKGBUILD b/extra/chromium/PKGBUILD
index ac91f2ae9..db0412dd8 100644
--- a/extra/chromium/PKGBUILD
+++ b/extra/chromium/PKGBUILD
@@ -16,7 +16,7 @@ highmem=1
 
 pkgname=chromium
 pkgver=100.0.4896.75
-pkgrel=1
+pkgrel=2
 _launcher_ver=8
 _gcc_patchset=4
 pkgdesc="A web browser built for speed, simplicity, and security"
@@ -38,6 +38,7 @@ source=(https://commondatastorage.googleapis.com/chromium-browser-official/$pkgn
         https://github.com/stha09/chromium-patches/releases/download/chromium-${pkgver%%.*}-patchset-$_gcc_patchset/chromium-${pkgver%%.*}-patchset-$_gcc_patchset.tar.xz
         webcodecs-stop-using-AudioOpusEncoder.patch
         webrtc-check-existence-of-cursor-metadata.patch
+        enable-GlobalMediaControlsCastStartStop.patch
         sql-make-VirtualCursor-standard-layout-type.patch
         use-oauth2-client-switches-as-default.patch
         0001-widevine-support-for-arm.patch
@@ -48,6 +49,7 @@ sha256sums=('244ed352dfaa1ab6b1f0877c4884fd17aa7d7133fa52f129a9fb01325ea0c0c0'
             'a6120e7d4eb5e131b87b6ab3b922e0c6cd78e15501e54cfb2019875173688d80'
             '064daaa2b9d95b96ec04d8ddebf4af441f92263d123365b58fe73966866080af'
             '88b2c8d9c6c1917f6632453f18aad7a3fd94d605eecb6c77ae2394ac5856ba95'
+            '779fb13f2494209d3a7f1f23a823e59b9dded601866d3ab095937a1a04e19ac6'
             'b94b2e88f63cfb7087486508b8139599c89f96d7a4181c61fec4b4e250ca327a'
             'e393174d7695d0bafed69e868c5fbfecf07aa6969f3b64596d0bae8b067e1711'
             '1518b4e3a89594f940f023da84ac3c222efb6f486596c44fe2b92419f15327ab'
@@ -125,6 +127,10 @@ prepare() {
   patch -Np1 -i ../webcodecs-stop-using-AudioOpusEncoder.patch
   patch -Np1 -d third_party/webrtc <../webrtc-check-existence-of-cursor-metadata.patch
 
+  # Revert kGlobalMediaControlsCastStartStop enabled by default
+  # https://crbug.com/1314342
+  patch -Rp1 -F3 -i ../enable-GlobalMediaControlsCastStartStop.patch
+
   # https://chromium-review.googlesource.com/c/chromium/src/+/2862724
   patch -Np1 -i ../sql-make-VirtualCursor-standard-layout-type.patch
 
diff --git a/extra/chromium/enable-GlobalMediaControlsCastStartStop.patch b/extra/chromium/enable-GlobalMediaControlsCastStartStop.patch
new file mode 100644
index 000000000..e0d4544de
--- /dev/null
+++ b/extra/chromium/enable-GlobalMediaControlsCastStartStop.patch
@@ -0,0 +1,32 @@
+From b58f0f2725a8c1a8a131f9984b5fd53b54119dba Mon Sep 17 00:00:00 2001
+From: Muyao Xu <muyaoxu@google.com>
+Date: Thu, 20 Jan 2022 23:46:21 +0000
+Subject: [PATCH] [Zenith] Enable GlobalMediaControlsCastStartStop flag by
+ default
+
+The feature is rolled out to 100% stable through finch for M96+.
+This CL enables it by default and fixes some unit tests failures.
+
+Bug: 1287242, 1287305
+Change-Id: I7e5c9625b77379fef253c41ef292a0dd6fc366fb
+Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3388416
+Reviewed-by: Takumi Fujimoto <takumif@chromium.org>
+Commit-Queue: Muyao Xu <muyaoxu@google.com>
+Cr-Commit-Position: refs/heads/main@{#961658}
+---
+ chrome/browser/media/router/media_router_feature.cc | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/chrome/browser/media/router/media_router_feature.cc b/chrome/browser/media/router/media_router_feature.cc
+index f28f9b0b802..a8d544f7d6d 100644
+--- a/chrome/browser/media/router/media_router_feature.cc
++++ b/chrome/browser/media/router/media_router_feature.cc
+@@ -33,7 +33,7 @@ const base::Feature kMediaRouter{"MediaRouter",
+ const base::Feature kCastAllowAllIPsFeature{"CastAllowAllIPs",
+                                             base::FEATURE_DISABLED_BY_DEFAULT};
+ const base::Feature kGlobalMediaControlsCastStartStop{
+-    "GlobalMediaControlsCastStartStop", base::FEATURE_DISABLED_BY_DEFAULT};
++    "GlobalMediaControlsCastStartStop", base::FEATURE_ENABLED_BY_DEFAULT};
+ const base::Feature kAllowAllSitesToInitiateMirroring{
+     "AllowAllSitesToInitiateMirroring", base::FEATURE_DISABLED_BY_DEFAULT};
+ const base::Feature kDialMediaRouteProvider{"DialMediaRouteProvider",