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DevTools 2.59.0 release notes

Release notes for Dart and Flutter DevTools version 2.59.0.

The 2.59.0 release of the Dart and Flutter DevTools includes the following changes among other general improvements. To learn more about DevTools, check out the DevTools overview.

General updates

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  • Fixed a RangeError thrown by SplitPane when the parent rebuilt the widget with a different number of children. For example, when toggling a panel in or out of the layout. - #9822

Inspector updates

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  • Fixed an issue where hover tooltips in the widget tree were being clipped by the window boundaries. - #9823

Full commit history

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To find a complete list of changes in this release, check out the DevTools git log.

Unless stated otherwise, the documentation on this site reflects Flutter 3.44.0. Page last updated on 2026-06-03. View source or report an issue.