WasmAssembly

• Dart, Flutter, and WasmGC with Ömer Ağacan and Martin Kustermann

  In this episode of WasmAssembly, your host Thomas Steiner is joined by Ömer Ağacan and Martin Kustermann from the Dart team at Google. They explore Dart, the language behind Flutter, and how Dart nearly landed in V8 alongside JavaScript, and why Flutter doubled down on Dart and WebAssembly Garbage Collection (WasmGC). Ömer and Martin then share insights on Dart’s performance leap from dart2js to dart2wasm, its potential beyond the browser, and what the WasmGC transition means for developers and the broader ecosystem. Finally, they look at Jaspr, Dart-only web apps, or how different browsers are handling WasmGC. This episode again is packed with sharp technical detail and bold visions for the future of WebAssembly. Resources: Dart → https://goo.gle/4kfijgD  Flutter → https://goo.gle/4kh4jDi  Before Flutter | Rubber Duck Engineering | Episode #100 → https://goo.gle/4nujV9g  State of Developer Ecosystem Report → https://goo.gle/4lrmya6  What's new in Flutter → https://goo.gle/44xx0Gl   Dart & Flutter momentum at Google I/O 2025 → https://goo.gle/3TgUr1p  Accessibility in Flutter on the Web → https://goo.gle/4l2xfQB  Stateful hot reload in DartPad → https://goo.gle/4nokFg1  WebAssembly (Wasm) compilation → https://goo.gle/3I8Ngpx  Support for WebAssembly (Wasm) → https://goo.gle/45L0wdR  WebAssembly Garbage Collection (WasmGC) now enabled by default in Chrome → https://goo.gle/3G7qLAS  Wasm-feature-detect library → https://goo.gle/4evqS5Y  A new way to bring garbage collected programming languages efficiently to WebAssembly → https://goo.gle/4keW0rt      [dart2wasm] Support non-JS wasm runtimes → https://goo.gle/44wr3t3  Safari bug: Umbrella: Using Canvas image sources between different canvases and canvas types is slow → https://goo.gle/3TmuSvM  Firefox bug: OffscreenCanvas.transferToImageBitmap incurs a copy → https://goo.gle/3GoIGD2  Ömer Ağacan on LinkedIn → https://goo.gle/4lA6fYB Martin Kustermann on LinkedIn → https://goo.gle/3TffQbc    

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• Enabling in-browser scientific computing with Wasm: David Kircos of Quadratic

  On this WasmAssembly podcast episode, host Thomas Steiner speaks with David Kircos from Quadratic. They discuss how Quadratic's spreadsheet utilizes WebAssembly to enable scientific computing directly in the browser, leveraging tools like Pyodide, pandas, and numpy. The conversation also covers practical challenges such as bundling large-scale Wasm applications, exploring browser limitations, and Quadratic's integration of AI.   Resources: David Kircos on LinkedIn → https://goo.gle/4jcpQg6  Building on the modern web app architecture → https://goo.gle/4hPpcnH  Pyodide → https://goo.gle/445YEv9  Pandas → https://goo.gle/4ldvkcp  Numpy → https://goo.gle/3E1qSNb  Esbuild-wasm → https://goo.gle/4hRqNJL  Using JavaScript in a spreadsheet → https://goo.gle/3XIRk4W  Making API requests from your spreadsheets → https://goo.gle/3FQQPja  Quadratic Python roadmap: building a spreadsheet developers love → https://goo.gle/446dLot  ES module integration proposal → https://goo.gle/3C8wd3L  AI spreadsheets are here: Quadratic + GPT → https://goo.gle/4hZpFUB   Database connectors → https://goo.gle/3QXMs8g  SQLite Wasm → https://goo.gle/3FSn3dW  Quadratic's GitHub organization → https://goo.gle/4jhWqNY   

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• Wasm on feature phones with Cloud Phone's Thomas Barrasso

  Feature phones? Yes, they still make them. And they run Wasm! In this WasmAssembly podcast, Thomas Steiner hosts Thomas Barrasso from CloudMosa to talk about the Cloud Phone platform and what it takes to run WebAssembly on tiny feature phones by streaming Web apps from a remote server that runs Chromium.  Resources: Thomas Barrasso on LinkedIn → https://goo.gle/3Fxbvwg  CloudMosa (Puffin) → https://goo.gle/42bNe7M  Cloud Phone → https://goo.gle/4c0xfwB  Building web apps for Cloud Phone → https://goo.gle/4bz1Pxn  Cloud Phone simulator → https://goo.gle/4c0fRYZ  KaiOS → https://goo.gle/4kx6C6z  Puffin Cloud Isolation → https://goo.gle/4bFMxqK   Telegram client for KaiOS → https://goo.gle/3DRL581  Wasm implementation of algorithms used in Telegram → ​​ https://goo.gle/43PTDH1  Stolen Focus book → https://goo.gle/43PTDH1  Reach out → https://goo.gle/4bY9BRs  Thomas' email: [email protected]

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• WebGPU and wasi-gfx with renderlet

  In this WasmAssembly podcast episode, Sean Isom and Mendy Berger from renderlet join host Thomas Steiner. Discover renderlet, a WebAssembly framework for writing graphics code that runs on any platform.  Resources: Mendy Berger on LinkedIn → https://goo.gle/4b1y205  Sean Isom on LinkedIn → https://goo.gle/4hyO8Rb  Renderlet → https://goo.gle/3QsfjRy  renderlet Wasm I/O talk → https://goo.gle/42Z4nm4  renderlet Wasm I/O slides → https://goo.gle/4b7qCs1  Drawing to canvas in Emscripten → https://goo.gle/4i4Kazu  Multi-draw indirect GPU feature → https://goo.gle/3EH8zNg  Mesh shaders → https://goo.gle/40Y2Jyu  Work graphs → https://goo.gle/42X96ot  When in doubt, writeBuffer() → https://goo.gle/4jWjLWm  Fine grained control of memory proposal → https://goo.gle/4hHMvkj  Streams.wit → https://goo.gle/4gHkQhT   wasi-gfx talk: → https://goo.gle/4gU0tyo  wasi-gfx proposal → https://goo.gle/3QmYY0z  Web IDL → https://goo.gle/3X7Ea10  WIT → https://goo.gle/3CYzp2W  Webidl2wit → https://goo.gle/412whef  Mendy Berger on Mastodon → https://goo.gle/3D7XPXH  Sean Isom on X → https://goo.gle/41lY5vN

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• Protecting apps with Arcjet through WebAssembly

  WebAssembly is known for its speed and security, but can it be applied to enhance application security as a whole? Join Arcjet's CEO David Mytton and host Thomas Steiner on WasmAssembly as they delve into Arcjet’s innovative use of Wasm for crucial security functions like bot detection, rate limiting, and data redaction, providing developers with a powerful yet manageable security toolkit. Resources: Squishy Wasm apps using Extism with Dylibso's Steve Manuel - WasmAssembly → https://goo.gle/3VFcf7J  David Mytton's blog → https://goo.gle/3C7kXFv  Console Devtools podcast episode with Fermyon's Matt Butcher → https://goo.gle/3C8mQBQ  Arcjet → https://goo.gle/40r7dNH  Arcjet Wasm blog posts → https://goo.gle/3WqTNQG  Arcjet example app → https://goo.gle/3E3We5n  @arcjet/next package → https://goo.gle/3DXvyDh  Arcjet JS SDK → https://goo.gle/4h4UyqY  Jco → https://goo.gle/4ecjdIC  jco example → https://goo.gle/4gwhBLu  Wasm-bindgen → https://goo.gle/3WrZVs0  Arcjet-js PR where we switched, with some comments on reasoning → https://goo.gle/4hHkJEf  Componentize-py → https://goo.gle/3CdOUUn  Componentize-dotnet → https://goo.gle/42oiNMu  ComponentizeJS → https://goo.gle/3OUNjFG  Wasm Interface Type (WIT) → https://goo.gle/4fnXMFf  Extism → https://goo.gle/3E5waa2 

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