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@flutteractionsbot flutteractionsbot commented Oct 21, 2025

This pull request is created by automatic cherry pick workflow
Please fill in the form below, and a flutter domain expert will evaluate this cherry pick request.

Issue Link:

What is the link to the issue this cherry-pick is addressing?

#176310

Changelog Description:

Explain this cherry pick in one line that is accessible to most Flutter developers. See best practices for examples

app.dtd event is not emitted for Flutter web applications run with --machine.

Impact Description:

What is the impact (ex. visual jank on Samsung phones, app crash, cannot ship an iOS app)? Does it impact development (ex. flutter doctor crashes when Android Studio is installed), or the shipping production app (the app crashes on launch)

Makes it impossible for tooling to connect to the DTD instance associated with a Flutter web application. This impacts the Flutter MCP extension.

Workaround:

Is there a workaround for this issue?

No workaround available.

Risk:

What is the risk level of this cherry-pick?

  • Low
  • Medium
  • High

Test Coverage:

Are you confident that your fix is well-tested by automated tests?

  • Yes
  • No

Validation Steps:

What are the steps to validate that this fix works?

Run a web application using flutter run -d chrome --machine and verify there's an app.dtd event once the application has started.

@flutteractionsbot flutteractionsbot added the cp: review Cherry-picks in the review queue label Oct 21, 2025
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@bkonyi please fill out the PR description above, afterwards the release team will review this request.

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This pull request was opened from and to a release candidate branch. This should only be done as part of the official Flutter release process. If you are attempting to make a regular contribution to the Flutter project, please close this PR and follow the instructions at Tree Hygiene for detailed instructions on contributing to Flutter.

Reviewers: Use caution before merging pull requests to release branches. Ensure the proper procedure has been followed.

@github-actions github-actions bot added the tool Affects the "flutter" command-line tool. See also t: labels. label Oct 21, 2025
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Code Review

This pull request introduces the dtdUri parameter to the DebugConnectionInfo class and updates the resident web runner and associated tests to surface the DTD URI for Flutter web applications. The code changes are straightforward and seem correct.

@camsim99
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@bkonyi this looks good but can you fix the merge conflict? I think this happened because I merged #177456

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bkonyi commented Oct 27, 2025

@bkonyi this looks good but can you fix the merge conflict? I think this happened because I merged #177456

Done :) should be resolved correctly now.

@camsim99 camsim99 added the autosubmit Merge PR when tree becomes green via auto submit App label Oct 27, 2025
@auto-submit auto-submit bot merged commit 46485b1 into flutter:flutter-3.38-candidate.0 Oct 27, 2025
147 checks passed
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Nov 12, 2025
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3 participants