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…23913) - Add a two-argument `refreshItem(T newItem, T oldItem)` overload to `DataProvider`, `DataView`, and related classes, enabling targeted refresh when an item's identity changes (e.g., signal-bound items replaced with new instances) - `DataRefreshEvent` now carries an optional old item reference via `getOldItem()`, allowing`DataCommunicator` and `KeyMapper` to remap from the old identity to the new one instead of failing to find the item - `HierarchicalDataCommunicator` throws `UnsupportedOperationException` for identity-changing refreshes, deferring TreeGrid `bindItems` support to a future change Fixes #8938
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Artur-
approved these changes
Mar 18, 2026
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This ticket/PR has been released with Vaadin 25.1.0-rc2. |
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This PR cherry-picks changes from the original PR #23913 to branch 25.1.
Original PR description