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Update WebGPUDemo/README.md for Swift 6.2 #45

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Update WebGPUDemo/README.md for Swift 6.2 #45

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10 changes: 5 additions & 5 deletions WebGPUDemo/README.md
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# WebGPU Example

Install Swift 6.2 development snapshot and Swift SDK for Wasm by following
https://www.swift.org/documentation/articles/wasm-getting-started.html.
Install Swift 6.2 (or later version) and a corresponding Swift SDK for Wasm by following
["Getting Started with Swift SDKs for WebAssembly" article](https://www.swift.org/documentation/articles/wasm-getting-started.html).

Build with the installed Swift SDK using JavaScriptKit's `PackageToJSPlugin` plugin. Make sure to update
the Swift SDK in the following command to the version that matches your installed swift.org toolchain.
the Swift SDK in the following command to the version that matches your installed Swift toolchain.
```
swift package --swift-sdk swift-6.2-DEVELOPMENT-SNAPSHOT-2025-06-17-a_wasm js --use-cdn
swift package --swift-sdk swift-6.2-RELEASE_wasm js --use-cdn
```

If you'd like to produce a smaller binary (under 400 kB), you'll have to use
Expand All @@ -19,7 +19,7 @@ your installed toolchain version if needed):
swift package --swift-sdk swift-DEVELOPMENT-SNAPSHOT-2025-08-11-a_wasm-embedded js --use-cdn -c release
```

WebGPU is enabled by default in beta and technical preview versions of Safari. Safari 17 and 18 require enabling
WebGPU is enabled by default in Safari 26. Safari 17 and 18 require enabling
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" />
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