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  "state": "open",
  "title": "Add cache length virtualization in TreeDataGrid",
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  "opened_at": "2025-07-18T13:34:09+00:00",
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  "updated_at": "2026-11-03T17:35:01.607208+00:00",
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  "body_excerpt": "## Summary\n- bring VirtualizingStackPanel cache optimization logic into TreeDataGridPresenterBase\n- allow specifying CacheLength to control additional cached region\n- extend viewport tracking and update realized elements accordingly\n\n## Testing\n- `dotnet test --no-build -c Release` *(fails: `dotnet`",
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 "repo": {
  "name": "Avalonia.Controls.TreeDataGrid",
  "owner": "danwalmsley",
  "stars": 0,
  "license": "MIT",
  "full_name": "danwalmsley/Avalonia.Controls.TreeDataGrid",
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  "name": "Dan Walmsley",
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