# DevTools 2.19.0 release notes

> Release notes for Dart and Flutter DevTools version 2.19.0.



The 2.19.0 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](https://docs.flutter.dev/tools/devtools).

## Performance updates

* Added a button to toggle the visibility of the Flutter Frames chart -
  [#4577](https://github.com/flutter/devtools/pull/4577)

  ![diff](/assets/images/docs/tools/devtools/release-notes/images-2.19.0/4577.png "Flutter Frames")

* Polish the debug mode warning to better describe which data is
  accurate in debug mode and which data may be misleading -
  [#3537](https://github.com/flutter/devtools/pull/3537)
* Reorder performance tool tabs and only show the CPU profiler
  for the "Timeline Events" tab -
  [#4629](https://github.com/flutter/devtools/pull/4629)

## Memory updates

* Improvements to the memory Profile tab -
  [#4583](https://github.com/flutter/devtools/pull/4583)

## Debugger updates

* Fix an issue with hover cards where they were appearing
  but never disappearing -
  [#4627](https://github.com/flutter/devtools/pull/4627)
* Fix a bug with the file search autocomplete dialog -
  [#4409](https://github.com/flutter/devtools/pull/4409)

## Network profiler updates

* Added a "Copy" button in the Network Request view
  (thanks to @netos23) -
  [#4509](https://github.com/flutter/devtools/pull/4509)

## 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/v2.18.0...v2.19.0).