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[flutter_tools] Bump dwds to 27.1.2#187951

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nshahan:new-restart-api
Jun 17, 2026
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[flutter_tools] Bump dwds to 27.1.2#187951
auto-submit[bot] merged 7 commits into
flutter:masterfrom
nshahan:new-restart-api

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@nshahan nshahan commented Jun 12, 2026

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  • Uses new two phase hot restart logic with updates to the $dartReloadModifiedModules implementation that is injected into the bootstrap.

Fixes: #187452

Pre-launch Checklist

* Uses new two phase hot restart logic with updates to the
  `$dartReloadModifiedModules` implementation that is injected
  into the bootstrap.

Fixes: flutter#187452
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Jun 12, 2026
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@nshahan nshahan added the CICD Run CI/CD label Jun 15, 2026
@nshahan nshahan marked this pull request as ready for review June 15, 2026 21:20
@nshahan nshahan requested review from mdebbar and srujzs June 15, 2026 21:20

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Code Review

This pull request updates the web bootstrap hot restart logic in packages/flutter_tools/lib/src/web/bootstrap.dart to accept a list of files to reload directly and return a Promise, replacing the previous XMLHttpRequest-based retrieval. It also upgrades the dwds dependency to version 27.1.2. Feedback points out that the newly declared requestedScripts variable is unused and should be removed.

Comment thread packages/flutter_tools/lib/src/web/bootstrap.dart Outdated
@github-actions github-actions Bot removed the CICD Run CI/CD label Jun 15, 2026
@nshahan nshahan added the CICD Run CI/CD label Jun 15, 2026
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It looks like this pull request may not have tests. Please make sure to add tests or get an explicit test exemption before merging.

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing. If you believe this PR qualifies for a test exemption, contact "@test-exemption-reviewer" in the #hackers channel in Discord (don't just cc them here, they won't see it!). The test exemption team is a small volunteer group, so all reviewers should feel empowered to ask for tests, without delegating that responsibility entirely to the test exemption group.

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It looks like this pull request may not have tests. Please make sure to add tests or get an explicit test exemption before merging.

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing. If you believe this PR qualifies for a test exemption, contact "@test-exemption-reviewer" in the #hackers channel in Discord (don't just cc them here, they won't see it!). The test exemption team is a small volunteer group, so all reviewers should feel empowered to ask for tests, without delegating that responsibility entirely to the test exemption group.

@github-actions github-actions Bot removed the CICD Run CI/CD label Jun 16, 2026
@nshahan nshahan added the CICD Run CI/CD label Jun 16, 2026
mdebbar
mdebbar previously approved these changes Jun 16, 2026

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LGTM

@nshahan nshahan added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 16, 2026
@auto-submit auto-submit Bot added this pull request to the merge queue Jun 16, 2026
@github-merge-queue github-merge-queue Bot removed this pull request from the merge queue due to a conflict with the base branch Jun 16, 2026
@flutter-dashboard flutter-dashboard Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jun 16, 2026
@github-actions github-actions Bot removed the CICD Run CI/CD label Jun 17, 2026
@flutter-dashboard flutter-dashboard Bot added the CICD Run CI/CD label Jun 17, 2026
@nshahan nshahan added the autosubmit Merge PR when tree becomes green via auto submit App label Jun 17, 2026
@auto-submit auto-submit Bot added this pull request to the merge queue Jun 17, 2026
Merged via the queue into flutter:master with commit c9186ee Jun 17, 2026
166 checks passed
@flutter-dashboard flutter-dashboard Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Jun 17, 2026
auto-submit Bot pushed a commit to flutter/packages that referenced this pull request Jun 18, 2026
flutter/flutter@b10d0f1...15963bc

2026-06-18 engine-flutter-autoroll@skia.org Roll Skia from 6e84902d56c3 to 1ae2466c9ea5 (4 revisions) (flutter/flutter#188172)
2026-06-18 engine-flutter-autoroll@skia.org Roll Packages from 6ce00a8 to 4fd05e6 (3 revisions) (flutter/flutter#188171)
2026-06-18 robert.ancell@canonical.com [Linux] Fix vertical offset in composite_layer (flutter/flutter#188145)
2026-06-18 robert.ancell@canonical.com [Linux] Fix incorrect GL datatypes for uniform locations (flutter/flutter#188143)
2026-06-18 engine-flutter-autoroll@skia.org Roll Dart SDK from e05c69222ea4 to 5883736e7670 (2 revisions) (flutter/flutter#188168)
2026-06-18 engine-flutter-autoroll@skia.org Roll Skia from 046277850e8d to 6e84902d56c3 (5 revisions) (flutter/flutter#188165)
2026-06-18 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from or21OEdGtairm6nl9... to 1E2qOlNnC2Ucn-1oV... (flutter/flutter#188162)
2026-06-18 engine-flutter-autoroll@skia.org Roll Skia from 8dd207d443d3 to 046277850e8d (1 revision) (flutter/flutter#188153)
2026-06-18 31859944+LongCatIsLooong@users.noreply.github.com Add entitlements.txt entries for new dart sdk binaries (flutter/flutter#188133)
2026-06-18 engine-flutter-autoroll@skia.org Roll Dart SDK from b670723c5f07 to e05c69222ea4 (1 revision) (flutter/flutter#188146)
2026-06-18 robert.ancell@canonical.com Fix bounds checking in FlAccessibleTextField (flutter/flutter#188137)
2026-06-18 engine-flutter-autoroll@skia.org Roll Skia from f5a2921fe23e to 8dd207d443d3 (2 revisions) (flutter/flutter#188141)
2026-06-18 30870216+gaaclarke@users.noreply.github.com Adds tests for disabling macos impeller (flutter/flutter#188132)
2026-06-17 jlemanski1@gmail.com Improve Flutter Web accessibility: update flt meta viewport tag to align with WCAG 2 guidelines (flutter/flutter#182047)
2026-06-17 engine-flutter-autoroll@skia.org Roll Dart SDK from e39bde5b1bfc to b670723c5f07 (2 revisions) (flutter/flutter#188130)
2026-06-17 engine-flutter-autoroll@skia.org Roll Skia from 066bfbac7282 to f5a2921fe23e (1 revision) (flutter/flutter#188128)
2026-06-17 matt.boetger@gmail.com Support --trace-systrace in release builds on Android (flutter/flutter#186359)
2026-06-17 matt.boetger@gmail.com Isolate compiled dill caches by TargetModel (flutter/flutter#187253)
2026-06-17 98614782+auto-submit[bot]@users.noreply.github.com Reverts "refactor(web): Unify Image on Skwasm and CanvasKit (#187873)" (flutter/flutter#188124)
2026-06-17 matt.kosarek@canonical.com Use a mock EGL manager in windows unittests to avoid flaky rendering calls (flutter/flutter#188078)
2026-06-17 matt.boetger@gmail.com [Android] Remove support for unused manifest flags (flutter/flutter#186021)
2026-06-17 30870216+gaaclarke@users.noreply.github.com Adds windows project switch for enabling impeller (flutter/flutter#188044)
2026-06-17 15619084+vashworth@users.noreply.github.com Skip prefetch SwiftPM dependencies if the project hasn't been migrated to SwiftPM yet (flutter/flutter#187206)
2026-06-17 nshahan@google.com [flutter_tools] Bump dwds to 27.1.2 (flutter/flutter#187951)
2026-06-17 30870216+gaaclarke@users.noreply.github.com Adds external texture devicelab test for windows impeller (flutter/flutter#187886)
2026-06-17 engine-flutter-autoroll@skia.org Roll Skia from 5d19002eb73e to 066bfbac7282 (2 revisions) (flutter/flutter#188118)
2026-06-17 34871572+gmackall@users.noreply.github.com Add note about magnifier issue when using transparent HCPP pv (flutter/flutter#187753)
2026-06-17 30870216+gaaclarke@users.noreply.github.com [linux]: fixes crash when resizing windows (flutter/flutter#187626)
2026-06-17 56400880+adilburaksen@users.noreply.github.com [flutter_tools] Enforce that package-declared asset paths stay within the package (flutter/flutter#187661)
2026-06-17 jason-simmons@users.noreply.github.com Remove canvaskit_cipd_instance from DEPS (flutter/flutter#188073)

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LouiseHsu pushed a commit to LouiseHsu/flutter that referenced this pull request Jun 18, 2026
* Uses new two phase hot restart logic with updates to the
`$dartReloadModifiedModules` implementation that is injected into the
bootstrap.

Fixes: flutter#187452

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [AI contribution guidelines] and understand my
responsibilities, or I am not using AI tools.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[AI contribution guidelines]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#ai-contribution-guidelines
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
via-guy pushed a commit to via-guy/flutter that referenced this pull request Jun 26, 2026
* Uses new two phase hot restart logic with updates to the
`$dartReloadModifiedModules` implementation that is injected into the
bootstrap.

Fixes: flutter#187452

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [AI contribution guidelines] and understand my
responsibilities, or I am not using AI tools.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[AI contribution guidelines]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#ai-contribution-guidelines
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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Migrate to an embedder API that exposes hot restart as two phases (begin and end)

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