diff --git a/features/growable-sharedarraybuffer.yml b/features/growable-sharedarraybuffer.yml
new file mode 100644
index 00000000000..e81c6463da8
--- /dev/null
+++ b/features/growable-sharedarraybuffer.yml
@@ -0,0 +1,8 @@
+name: Growable SharedArrayBuffer
+description: The `grow()` method of a `SharedArrayBuffer`, constructed with the `maxByteLength` option, increases the size of the buffer in place.
+spec: https://tc39.es/ecma262/multipage/structured-data.html#sec-get-sharedarraybuffer.prototype.growable
+compat_features:
+  - javascript.builtins.SharedArrayBuffer.SharedArrayBuffer.maxByteLength_option
+  - javascript.builtins.SharedArrayBuffer.grow
+  - javascript.builtins.SharedArrayBuffer.growable
+  - javascript.builtins.SharedArrayBuffer.maxByteLength
diff --git a/features/growable-sharedarraybuffer.yml.dist b/features/growable-sharedarraybuffer.yml.dist
new file mode 100644
index 00000000000..bb2f9092cc0
--- /dev/null
+++ b/features/growable-sharedarraybuffer.yml.dist
@@ -0,0 +1,11 @@
+# Generated from: growable-sharedarraybuffer.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "111"
+    chrome_android: "111"
+    edge: "111"
+    safari: "16.4"
+    safari_ios: "16.4"
diff --git a/features/resizable-arraybuffer.yml b/features/resizable-arraybuffer.yml
new file mode 100644
index 00000000000..eb6c8ceb032
--- /dev/null
+++ b/features/resizable-arraybuffer.yml
@@ -0,0 +1,8 @@
+name: Resizable ArrayBuffer
+description: The `resize()` method of an `ArrayBuffer`, constructed with the `maxByteLength` option, changes the size of the buffer in place.
+spec: https://tc39.es/ecma262/multipage/structured-data.html#sec-get-arraybuffer.prototype.resizable
+compat_features:
+  - javascript.builtins.ArrayBuffer.ArrayBuffer.maxByteLength_option
+  - javascript.builtins.ArrayBuffer.maxByteLength
+  - javascript.builtins.ArrayBuffer.resizable
+  - javascript.builtins.ArrayBuffer.resize
diff --git a/features/resizable-arraybuffer.yml.dist b/features/resizable-arraybuffer.yml.dist
new file mode 100644
index 00000000000..d52133dcda0
--- /dev/null
+++ b/features/resizable-arraybuffer.yml.dist
@@ -0,0 +1,11 @@
+# Generated from: resizable-arraybuffer.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "111"
+    chrome_android: "111"
+    edge: "111"
+    safari: "16.4"
+    safari_ios: "16.4"