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michaelstaib merged 2 commits into from
Mar 5, 2026
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Add note to migration guide on Selection #9305

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Add note to migration guide on
michaelstaib Mar 5, 2026
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Merge branch 'main' into mst/breaking-selections
michaelstaib Mar 5, 2026
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8 changes: 8 additions & 0 deletions website/src/docs/hotchocolate/v16/migrating/migrate-from-15-to-16.md
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Expand Up @@ -204,6 +204,14 @@ public class CustomRequestMiddleware
}
```

## Resolver `Selection` API changes

In v16, `context.Selection` is a compiled execution selection. The old `context.Selection.SelectionSet` is no longer available.

- `context.Selection.DeclaringSelectionSet` is the parent selection set (where the current field is declared), not the current field's child selection set.
- `context.Selection.SyntaxNodes` now returns `FieldSelectionNode` wrappers. Use `.Node` to access the underlying `FieldNode`.
- Because selections are merged during operation compilation, one execution selection can map to multiple syntax nodes.

## OperationResultBuilder is now internal

If you've previously used the `OperationResultBuilder` to construct an `OperationResult`, switch to constructing it directly instead:
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