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area/listview 📃Categorizes an issue or PR as relevant to the ListView controlCategorizes an issue or PR as relevant to the ListView controlarea/performance 📈Categorizes an issue or PR as relevant to performanceCategorizes an issue or PR as relevant to performancekind/enhancementNew feature or requestNew feature or requestplatform/wasm 🌐Categorizes an issue or PR as relevant to the WebAssembly platformCategorizes an issue or PR as relevant to the WebAssembly platformproject/items 🧾Categorizes an issue or PR as relevant to items (ItemsControl, ItemsRepeater, ...)Categorizes an issue or PR as relevant to items (ItemsControl, ItemsRepeater, ...)renderer/skia
Description
What would you like to be added? 💡
When running the same app on Desktop and WebAssembly with a ListView
, it becomes clear that the ListView
doesn't scroll efficiently. I've included an example app and a video comparison for both platforms. The app is in release mode, running without a debugger attached. This performance issue is causing slowness of my WinUI.TableView control on WebAssembly, despite no code differences between WebAssembly and other platforms.
see w-ahmad/WinUI.TableView#171
test app UnoApp1.zip
Screen.Recording.2025-07-06.170022.mp4
Why is this needed? 🤔
No response
Renderer 🎨
- Skia
- Native
For which platforms 📱💻🖥️
WebAssembly
Anything else we need to know? 💬
No response
MartinZikmund
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Labels
area/listview 📃Categorizes an issue or PR as relevant to the ListView controlCategorizes an issue or PR as relevant to the ListView controlarea/performance 📈Categorizes an issue or PR as relevant to performanceCategorizes an issue or PR as relevant to performancekind/enhancementNew feature or requestNew feature or requestplatform/wasm 🌐Categorizes an issue or PR as relevant to the WebAssembly platformCategorizes an issue or PR as relevant to the WebAssembly platformproject/items 🧾Categorizes an issue or PR as relevant to items (ItemsControl, ItemsRepeater, ...)Categorizes an issue or PR as relevant to items (ItemsControl, ItemsRepeater, ...)renderer/skia