Update README.md

README.md

@@ -60,6 +60,14 @@ console.log(imports);
 // > ]
 ```
 
+**Implementation Status in JavaScript engines**
+
+| Engine | Status | Note |
+|:-------|:-------|:-----|
+| V8     | :white_check_mark: | [Available in Chrome 78 and later](https://chromestatus.com/feature/5725002447978496), and Node.js 13.0.0 and later |
+| SpiderMonkey | :construction: | [Available in Firefox Nightly](https://bugzilla.mozilla.org/show_bug.cgi?id=1651725) |
+| JavaScriptCore | :x: | [Not available](https://github.com/WebKit/WebKit/blob/b50dcf22f189f2c47da11c0929f1204ba6ecac1f/Source/JavaScriptCore/wasm/js/WebAssemblyModuleConstructor.cpp#L103-L132) as of 2024-06 |
+
 ## License
 
 This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.