dart-lang/webdev

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A CLI for Dart web development.

Stars: 224
Forks: 94
Open beginner issues: 0
Indexed issues: 200
Avg merge: 4d 3h
Merged PRs (30d): 2

Dominant language: Dart
License: No license data
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

199 open issues indexed

Sometimes not rebuilding after update Open

P3 triaged

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dart-lang/webdev#2865 · 6 comments · Opened Aug 14, 2026
TypeError: null: type 'JSNull' is not a subtype of type 'String' Open

P2 package:dwds triaged type-bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

dart-lang/webdev#2852 · 3 comments · Opened Jul 24, 2026
Error in Flutter myapp Open

P2 package:dwds triaged type-bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dart-lang/webdev#2849 · 3 comments · Opened Jul 22, 2026
Injected client crashes on route navigation with TypeError (_JsonMap is not a subtype of List<Object?>) — page renders blank, no error surfaces to app (Flutter 3.44.5) Open

P2 package:dwds triaged type-bug

dart-lang/webdev#2848 · 4 comments · 1 assignee · Opened Jul 19, 2026
Migrate to use as dev dep and `dart run` Open

P1 triaged

dart-lang/webdev#2847 · 14 comments · 1 assignee · Opened Jul 14, 2026
Migrate to an API that exposes hot restart and hot reload operations as two phases (begin and end) Open

P2 package:dwds triaged

dart-lang/webdev#2826 · 1 assignee · Opened Apr 28, 2026
Breakpoints set in a Dart web app with vscode are not being before the app runs Open

P2 package:dwds triaged type-bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

dart-lang/webdev#2808 · 7 comments · Opened Mar 31, 2026
Unable to set breakpoints in dependencies from non-Pub sources that contain slashes in their URLs Open

P2 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 42/100

dart-lang/webdev#2776 · 2 comments · Opened Feb 12, 2026
debug_extension_test failing due to missing file - tool/build_extension.sh Open

dart-debug-extension P3 package:dwds triaged

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

dart-lang/webdev#2773 · Opened Feb 11, 2026
The `sdkRoot` argument to start is not honoured everywhere Open

P2 package:frontend_server_client triaged

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dart-lang/webdev#2767 · 1 comment · Opened Feb 1, 2026
Webdev + dart install + Flutter + Windows Open

P2 package:webdev triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2758 · 3 comments · Opened Jan 23, 2026
flutter web app reporting websockectconnectionclosed Open

P2 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2753 · 8 comments · 1 reaction · Opened Jan 20, 2026
Unhandled error detected in the injected client.js script. Open

package:dwds waiting-for-customer-response

Difficulty 4/5 3-5 days Newbie friendliness 30/100

dart-lang/webdev#2715 · 3 comments · Opened Nov 19, 2025
WebSocketChannelException: Open

package:dwds waiting-for-customer-response

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dart-lang/webdev#2714 · 1 comment · Opened Nov 15, 2025
DWDS requests are sent to wrong port Open

P2 package:dwds package:webdev triaged

dart-lang/webdev#2709 · 6 comments · 1 assignee · Opened Nov 7, 2025
Skipping compiling with dart2js because some of its transitive libraries have sdk dependencies that are not supported on this platform:. Open

P3 package:webdev triaged type-enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

dart-lang/webdev#2686 · 28 comments · 1 reaction · Opened Sep 3, 2025
Improve error message when failing to add a breakpoint to a script that isn't loaded Open

P2 package:dwds triaged

dart-lang/webdev#2664 · 1 comment · 1 reaction · 1 assignee · Opened Aug 7, 2025
feat: Add --spa-fallback flag to support client-side routing Open

P2 package:webdev triaged type-enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2655 · 1 comment · Opened Jul 30, 2025
Dart Debug Extension on Chrome stopped working after Flutter 3.32.0 and Dart 3.8.0 update Open

dart-debug-extension

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2622 · 3 reactions · Opened May 21, 2025
Unhandled error detected in the injected client.js script. Open

P3 triaged type-bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2612 · 1 comment · 2 reactions · Opened Apr 22, 2025
DWDS should not send a `resume` event after a hot-restart Open

package:dwds

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dart-lang/webdev#2610 · Opened Apr 14, 2025
Unexpected DWDS error for getObject | rti.dart Open

package:dwds

Difficulty 4/5 3-5 days Newbie friendliness 30/100

dart-lang/webdev#2582 · 1 comment · 1 reaction · Opened Jan 27, 2025
Breakpoints break in wrong location in unnamed extensions: FrameComputer: Error calculating sync frame: RangeError (end): Invalid value: Not in inclusive range 15..26: 10 Open

P3 package:dwds type-bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

dart-lang/webdev#2574 · 2 reactions · Opened Jan 21, 2025
DWDS error when running DevTools integration tests Open

package:dwds

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2571 · Opened Jan 16, 2025
Update wildcard handling in tests for proper debugging behavior Open

package:dwds

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2570 · 1 comment · Opened Jan 16, 2025
Add an enforce-lockfile command line option Open

package:webdev

Difficulty 3/5 1-2 days Newbie friendliness 35/100

dart-lang/webdev#2565 · Opened Jan 9, 2025
client.js:10109 Unhandled error detected in the injected client.js script. Open

P2 package:webdev triaged

dart-lang/webdev#2553 · 8 comments · 2 reactions · 1 assignee · Opened Dec 22, 2024
Setting output path produces a different compilation output Open

P2 package:webdev triaged

dart-lang/webdev#2527 · 1 assignee · Opened Nov 24, 2024
webdev doesn't allow setting optimization level Open

P2 package:webdev triaged type-enhancement

dart-lang/webdev#2526 · 4 comments · 1 assignee · Opened Nov 24, 2024
consider moving the top-level packages in this repo into a pkgs directory Open

P3 triaged

Difficulty 4/5 3-5 days Newbie friendliness 30/100

dart-lang/webdev#2522 · 1 comment · 1 reaction · Opened Nov 14, 2024
Migrate webdev to use the new JS interop libraries Open

P2 package:webdev triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2508 · 1 comment · 1 reaction · Opened Oct 7, 2024
Assertion failed: "boolean expression must not be null" Open

P3 triaged waiting-for-customer-response

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dart-lang/webdev#2505 · 1 comment · Opened Oct 4, 2024
Suggest use as a dev_dependency instead of global install Open

P3 package:webdev triaged type-enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

dart-lang/webdev#2497 · 6 comments · 1 reaction · Opened Sep 25, 2024
Embed Flutter DevTools in Chrome DevTools Open

dart-debug-extension P3 triaged type-enhancement

Difficulty 3/5 1-2 days Newbie friendliness 38/100

dart-lang/webdev#2482 · 1 comment · Opened Aug 21, 2024
Dart Debug Extension Auto Run for flutter web app Open

dart-debug-extension P3 triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2481 · 2 comments · 1 reaction · Opened Aug 19, 2024
Triggering a pause can hit a JS frame Open

P2 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2467 · Opened Jul 31, 2024
an error while running the default app Open

P2 package:webdev triaged

Difficulty 3/5 1-2 days Newbie friendliness 25/100

dart-lang/webdev#2464 · 2 comments · Opened Jul 26, 2024
test/devtools_test.dart: Injected client can not launch devtools for the same app in multiple tabs Open

P3 triaged

dart-lang/webdev#2462 · 1 comment · 1 assignee · Opened Jul 9, 2024
Use Flutter Web App as iframe in regular html website Open

P2 package:webdev triaged

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dart-lang/webdev#2451 · 1 comment · Opened Jun 18, 2024
`globals` are not exposed in the Debugger Open

P2 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2442 · 3 comments · Opened May 30, 2024
[documentation] documentation on how to compile dart to js for a non-web target with webdev build Open

P3 package:webdev triaged type-documentation

dart-lang/webdev#2432 · 3 comments · 3 reactions · 1 assignee · Opened May 11, 2024
Vite proxied `flutter run -d chrome` does not respond with RunRequest Open

P3 package:webdev triaged waiting-for-customer-response

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2425 · 6 comments · Opened May 8, 2024
Test checking for DEBUGGER_READY and DEVTOOLS_LOAD events failing Open

P3 package:dwds triaged

dart-lang/webdev#2394 · 2 comments · 1 assignee · Opened Mar 25, 2024
[dwds] ext.flutter.debugDumpApp: (-32603) Unexpected DWDS error for callServiceExtension: Unexpected error from chrome devtools Open

P3 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dart-lang/webdev#2387 · Opened Mar 12, 2024
When debugging a webdev app from VS Code, hitting a breakpoint opens copy of actual file Open

P2 package:webdev triaged

Difficulty 4/5 3-5 days Newbie friendliness 25/100

dart-lang/webdev#2383 · 4 comments · Opened Mar 7, 2024
Pause on Exceptions in Dart web apps jumps to the wrong location Open

P2 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dart-lang/webdev#2382 · Opened Mar 7, 2024
Exceptions in Dart web apps pause with "PauseInterrupted" instead of "PauseException" Open

P3 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2381 · Opened Mar 7, 2024
No longer able to debug flutter web app behind reverse proxy due to "Unexpected sender" Open

dart-debug-extension P1 triaged

Difficulty 4/5 3-5 days Newbie friendliness 45/100

dart-lang/webdev#2375 · 22 comments · 2 reactions · Opened Feb 20, 2024
Provide support for webdev configuration yaml file Open

P3 package:webdev triaged type-enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

dart-lang/webdev#2365 · Opened Jan 27, 2024
Messages lost when printed shortly after a hot restarting a web app Open

P3 package:dwds triaged

Difficulty 4/5 3-5 days Newbie friendliness 35/100

dart-lang/webdev#2361 · Opened Jan 25, 2024

dart-lang/webdev

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