# DevTools 2.9.1 release notes

> Release notes for Dart and Flutter DevTools version 2.9.1.



The 2.9.1 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](https://docs.flutter.dev/tools/devtools).

## Debugger updates

* Improve support for inspecting large lists and maps in
  the Debugger variables pane - [#3497](https://github.com/flutter/devtools/pull/3497)

  ![Inspection before](/assets/images/docs/tools/devtools/release-notes/images-2.9.1/image1.png "Inspection before")

  ![Inspection after](/assets/images/docs/tools/devtools/release-notes/images-2.9.1/image2.png "Inspection after")

* Added support for selecting objects in the program explorer outline view.
  Selecting an object will automatically scroll the source code
  in the debugger to the selected object -
  [#3480](https://github.com/flutter/devtools/pull/3480)

## Performance updates

* Fix bugs with performance page search and improve performance -
  [#3515](https://github.com/flutter/devtools/pull/3515)
* Added an enhanced tooltip for flutter frames -
  [#3493](https://github.com/flutter/devtools/pull/3493)

  ![Flutter frame tooltips](/assets/images/docs/tools/devtools/release-notes/images-2.9.1/image3.png "Flutter frame tooltips")

## Full commit history

To find a complete list of changes since the previous release,
check out
[the diff on GitHub](https://github.com/flutter/devtools/compare/v2.8.0...v2.9.1).