DevTools 2.23.1 release notes

Dart & Flutter DevTools - A Suite of Performance Tools for Dart and Flutter

General updates

  • Update DevTools to the new Material 3 design. #5429
  • Use the default Flutter service worker. #5331
  • Added the new verbose logging feature for helping us debug user issues. #5404

verbose logging

  • Fix a bug where some asynchronous errors were not being reported. #5456
  • Added support for viewing data after an app disconnects for screens that support offline viewing (currently only the Performance and CPU proiler pages). #5509
  • Include settings button in the footer of the embedded view. - #5528

Performance updates

  • Fix a performance regression in timeline event processing. #5460
  • Persist a user’s preference for whether the Flutter Frames chart should be shown by default. #5339
  • Point users to Impeller when shader compilation jank is detected on an iOS device. #5455
  • Remove the CPU profiler from the legacy trace viewer. #5539

CPU profiler updates

  • Add a Method Table to the CPU profiler. #5366

method table

  • Improve the performance of data processing in the CPU profiler. #5468, #5533, #5535
  • Polish and performance improvements for the CPU profile flame chart. #5529

  • Add ability to inspect statistics for a CPU profile. #5340
  • Fix a bug where Native stack frames were missing their name. #5344
  • Fix an error in total and self time calculations for the bottom up tree. #5348
  • Add support for zooming and navigating the flame chart with ,AOE keys (helpful for Dvorak users). #5545

Memory updates

  • Fix filtering bug in the “Trace Instances” view. #5406
  • Enabled evaluation and browsing for instances in heap snapshot. #5542
  • Fix heap snapshot failure. 5520
  • Stop displaying external sizes in the allocation profile. 5555
  • Expose totals for memory in heap snapshot. 5593

Debugger updates

  • Fix a bug where variable inspection for instances sometimes showed no children. #5356
  • Hide “search in file” dialog if “file search” dialog is open. #5393
  • Fix file search bug where last letter disappeared when searching at end of file name. #5397
  • Add search icon in file bar to make file search more discoverable. #5351
  • Allow expression evaluation when pausing in JS for web apps. #5427
  • Update syntax highlighting to dart-lang/dart-syntax-highlight v1.2.0. #5477
  • Debugger panel respects “dense mode”. #5517

Network profiler updates

  • Fix a bug viewing JSON responses with null values. #5424
  • Fix a bug where JSON requests were shown in plain text, instead of the formatted JSON viewer. #5463
  • Fix a UI issue where the copy button on the response or request tab would let you copy while still loading the data. #5476


More details about changes and fixes are available in the DevTools changelog.