diff --git a/WebGPUDemo/README.md b/WebGPUDemo/README.md
index 88b62b2..259ffe8 100644
--- a/WebGPUDemo/README.md
+++ b/WebGPUDemo/README.md
@@ -9,6 +9,13 @@ the Swift SDK in the following command to the version that matches your installe
 swift package --swift-sdk swift-DEVELOPMENT-SNAPSHOT-2025-06-03-a_wasm js --use-cdn
 ```
 
+WebGPU requires a beta or technical preview version of Safari. For recent release versions make sure to enable
+WebGPU feature flag as shown on the screenshot:
+
+<img width="833" alt="Safari Feature Flags settings tab with WebGPU enabled" src="https://github.com/user-attachments/assets/7d0453ab-da51-4a6e-85da-dc466cf775be" />
+
+See [the WebGPU Implementation Status page](https://github.com/gpuweb/gpuweb/wiki/Implementation-Status) for information about compatibility with other browsers.
+
 Start a HTTP server with eg. `python -m http.server` or `npx serve`, then open
 http://localhost:8000 to view the Swift logo rendered using WebGPU.