# DevTools 2.35.0 release notes

> Release notes for Dart and Flutter DevTools version 2.35.0.



The 2.35.0 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](/tools/devtools).

## General updates

* Changed to a single button for starting and stopping
  recording on the Network screen and CPU profiler screen. - [#7573](https://github.com/flutter/devtools/pull/7573)

  ![A screen shot of the CPU profiler tab, with the new recording button.](/assets/images/docs/tools/devtools/release-notes/images-2.35.0/profiler_recording.png)
  ![A screen shot of the network tab, with the new recording button.](/assets/images/docs/tools/devtools/release-notes/images-2.35.0/network_recording.png)

## Inspector updates

* Add a preference for the default inspector view - [#6949](https://github.com/flutter/devtools/pull/6949)

## Memory updates

* Replaced total size with reachable size in snapshot list. - [#7493](https://github.com/flutter/devtools/pull/7493)

## Debugger updates

* During a hot-restart, `pause_isolates_on_start` and only
  `resume` the app once breakpoints are set. - [#7234](https://github.com/flutter/devtools/pull/7234)

## Network profiler updates

* Added text selection in text viewer for requests and responses. - [#7596](https://github.com/flutter/devtools/pull/7596)
* Added a JSON copy experience to the JSON viewer. - [#7596](https://github.com/flutter/devtools/pull/7596)

  ![The new JSON copy experience in the JSON viewer](/assets/images/docs/tools/devtools/release-notes/images-2.35.0/json_viewer_copy.png)

* Fixed a bug where stopping and starting network recording listed requests that
  happened while not recording. - [#7626](https://github.com/flutter/devtools/pull/7626)

## Deep links tool updates

* Improve layout for narrow screens. - [#7524](https://github.com/flutter/devtools/pull/7524)
* Add error handling for missing schemes and domains - [#7559](https://github.com/flutter/devtools/pull/7559)

## VS Code Sidebar updates

* Added a DevTools section with a list of tools and extensions that
  are available without a debug session. -
  [#7598](https://github.com/flutter/devtools/pull/7598), [#7604](https://github.com/flutter/devtools/pull/7604)

## DevTools Extension updates

* Support DevTools extensions that do not require a running app, and
  detect them from the user's IDE workspace. - [#7612](https://github.com/flutter/devtools/pull/7612)
* Deprecate the `DevToolsExtension.requiresRunningApplication` field in
  favor of the new optional `requiresConnection` field that
  can be added to an extension's `config.yaml` file. -
  [#7611](https://github.com/flutter/devtools/pull/7611), [#7602](https://github.com/flutter/devtools/pull/7602)
* Detect extensions for all types of run targets in a package. -
  [#7533](https://github.com/flutter/devtools/pull/7533), [#7535](https://github.com/flutter/devtools/pull/7535)

## Full commit history

To find a complete list of changes in this release, check out the
[DevTools git log](https://github.com/flutter/devtools/tree/v2.35.0).