diff --git a/javascript/builtins/SharedArrayBuffer.json b/javascript/builtins/SharedArrayBuffer.json
index 7665d0cf9df1ed..83555a922ebffd 100644
--- a/javascript/builtins/SharedArrayBuffer.json
+++ b/javascript/builtins/SharedArrayBuffer.json
@@ -16,11 +16,17 @@
                 "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This was a temporary removal while mitigations were put in place."
               }
             ],
-            "chrome_android": {
-              "version_added": "60",
-              "version_removed": "63",
-              "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
-            },
+            "chrome_android": [
+              {
+                "version_added": "89",
+                "notes": "<code>SharedArrayBuffer</code> is gated behind COOP/COEP. For more detail, read <a href='https://web.dev/coop-coep/'>Making your website \"cross-origin isolated\" using COOP and COEP</a>."
+              },
+              {
+                "version_added": "60",
+                "version_removed": "63",
+                "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
+              }
+            ],
             "edge": [
               {
                 "version_added": "79"
@@ -145,11 +151,17 @@
                   "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This was a temporary removal while mitigations were put in place."
                 }
               ],
-              "chrome_android": {
-                "version_added": "60",
-                "version_removed": "63",
-                "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
-              },
+              "chrome_android": [
+                {
+                  "version_added": "89",
+                  "notes": "<code>SharedArrayBuffer</code> is gated behind COOP/COEP. For more detail, read <a href='https://web.dev/coop-coep/'>Making your website \"cross-origin isolated\" using COOP and COEP</a>."
+                },
+                {
+                  "version_added": "60",
+                  "version_removed": "63",
+                  "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
+                }
+              ],
               "edge": [
                 {
                   "version_added": "79"
@@ -274,11 +286,17 @@
                   "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This was a temporary removal while mitigations were put in place."
                 }
               ],
-              "chrome_android": {
-                "version_added": "60",
-                "version_removed": "63",
-                "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
-              },
+              "chrome_android": [
+                {
+                  "version_added": "89",
+                  "notes": "<code>SharedArrayBuffer</code> is gated behind COOP/COEP. For more detail, read <a href='https://web.dev/coop-coep/'>Making your website \"cross-origin isolated\" using COOP and COEP</a>."
+                },
+                {
+                  "version_added": "60",
+                  "version_removed": "63",
+                  "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
+                }
+              ],
               "edge": [
                 {
                   "version_added": "79"
@@ -403,11 +421,17 @@
                   "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This was a temporary removal while mitigations were put in place."
                 }
               ],
-              "chrome_android": {
-                "version_added": "60",
-                "version_removed": "63",
-                "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
-              },
+              "chrome_android": [
+                {
+                  "version_added": "89",
+                  "notes": "<code>SharedArrayBuffer</code> is gated behind COOP/COEP. For more detail, read <a href='https://web.dev/coop-coep/'>Making your website \"cross-origin isolated\" using COOP and COEP</a>."
+                },
+                {
+                  "version_added": "60",
+                  "version_removed": "63",
+                  "notes": "Chrome disabled SharedArrayBuffer on January 5, 2018 to help reduce the efficacy of <a href='https://www.chromium.org/Home/chromium-security/ssca'>speculative side-channel attacks</a>. This is intended as a temporary measure until other mitigations are in place."
+                }
+              ],
               "edge": [
                 {
                   "version_added": "79"