flutter/flutter@3a0420c...b10d0f1

2026-06-17 mr-peipei@web.de Skip platform-specific plugin registration if no platforms enabled (flutter/flutter#186304)
2026-06-17 engine-flutter-autoroll@skia.org Roll Packages from 8286d39 to 6ce00a8 (1 revision) (flutter/flutter#188109)
2026-06-17 engine-flutter-autoroll@skia.org Roll Skia from 79f93fd5f36e to 5d19002eb73e (1 revision) (flutter/flutter#188108)
2026-06-17 simon@journeyapps.com Import `dart:_js_interop_wasm` in addition to `dart:_wasm` to convert between `JSAny` and `WasmExternRef?` (flutter/flutter#186974)
2026-06-17 engine-flutter-autoroll@skia.org Roll Dart SDK from f811ecae9ca0 to e39bde5b1bfc (2 revisions) (flutter/flutter#188107)
2026-06-17 engine-flutter-autoroll@skia.org Roll Skia from 026f6a6be2b9 to 79f93fd5f36e (1 revision) (flutter/flutter#188105)
2026-06-17 engine-flutter-autoroll@skia.org Roll Dart SDK from 462bf0a1d489 to f811ecae9ca0 (1 revision) (flutter/flutter#188099)
2026-06-17 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from VeLhhlDcod09NR4Hb... to or21OEdGtairm6nl9... (flutter/flutter#188098)
2026-06-17 engine-flutter-autoroll@skia.org Roll Skia from 2ffd155313f5 to 026f6a6be2b9 (10 revisions) (flutter/flutter#188097)
2026-06-17 engine-flutter-autoroll@skia.org Roll Dart SDK from 824b4b48b6d4 to 462bf0a1d489 (1 revision) (flutter/flutter#188093)
2026-06-17 jason-simmons@users.noreply.github.com Manual Dart roll from f6c31f4c3a63 to 824b4b48b6d4 (flutter/flutter#188023)
2026-06-17 awolff@google.com Add a platform view test to android_hardware_smoke_test (flutter/flutter#188069)
2026-06-17 44747303+theprantadutta@users.noreply.github.com [flutter_tools] Format empty app template with latest dart format (flutter/flutter#187443)
2026-06-16 49699333+dependabot[bot]@users.noreply.github.com Bump the all-github-actions group across 1 directory with 3 updates (flutter/flutter#188086)
2026-06-16 engine-flutter-autoroll@skia.org Roll Skia from d7196b0b4939 to 2ffd155313f5 (9 revisions) (flutter/flutter#188081)
2026-06-16 43089218+chika3742@users.noreply.github.com Prevent downgrading `project.pbxproj` when greater version number (flutter/flutter#186250)
2026-06-16 magder@google.com Only allow dependabot to autoupdate GitHub-owned actions (flutter/flutter#187936)
2026-06-16 matt.boetger@gmail.com Fall back to source AndroidManifest.xml if AAPT fails or returns garbage (flutter/flutter#187197)
2026-06-16 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#187769)
2026-06-16 jason-simmons@users.noreply.github.com [Impeller] Move queue submission into a callback that is invoked by FenceWaiterVK::AddFence only if it can accept the fence (flutter/flutter#187761)
2026-06-16 jhy03261997@gmail.com Reland [a11y] Map some framework semantics roles to android classes.  (flutter/flutter#188037)
2026-06-16 1961493+harryterkelsen@users.noreply.github.com refactor(web): Unify Image on Skwasm and CanvasKit (flutter/flutter#187873)
2026-06-16 30870216+gaaclarke@users.noreply.github.com Adds arm64 variant of impeller devicelab tests for windows. (flutter/flutter#188053)

If this roll has caused a breakage, revert this CL and stop the roller
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…utter#187443)

The `lib/main.dart` produced by `flutter create --empty` still had its
`MaterialApp` / `Scaffold` / `Center` widget tree expanded across
multiple lines:

```dart
return const MaterialApp(
  home: Scaffold(
    body: Center(
      child: Text('Hello World!'),
    ),
  ),
);
```

The current `dart format` collapses that onto a single line because it
fits within the line length:

```dart
return const MaterialApp(
  home: Scaffold(body: Center(child: Text('Hello World!'))),
);
```

So a freshly created empty project showed formatting drift. This updates
the template source (`templates/app/lib/main.dart.tmpl`, `withEmptyMain`
block) so the generated project is already formatted.

I checked the other template Dart files exercised by the issue's repro
commands (`app`, `package`, `plugin --platforms=...`, `package_ffi`,
`plugin_ffi`, `module`) and they are already up to date with the current
formatter — earlier changes appear to have brought the rest in line,
leaving the `--empty` variant as the remaining drift.

The issue's second (optional) work item — adding a test that verifies
templates stay formatted — is left out here, since the issue notes it
"might cause friction in Dart rolls that change `dart format`'s style"
and "might not be desirable." Happy to follow up on that separately if
the team wants it.

*List which issues are fixed by this PR.*

Partially fixes flutter#175960

## 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.

This is a whitespace-only change to a generated-project template, so it
is test-exempt; the existing `flutter create --empty` test in
`create_test.dart` (which asserts the generated `main.dart` contains
`Text('Hello World!')`) continues to pass, as the change preserves that
string.

### How I verified

- Confirmed `dart format` produces the collapsed single-line form for
the generated `--empty` output (the affected template block contains no
template variables, so the generated file matches the formatted Dart
exactly).
- Manually checked the remaining template Dart files for the project
types in the issue's repro; all are already formatter-clean on current
`master`.

[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/
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

Co-authored-by: Ben Konyi <bkonyi@google.com>

…utter#187443)

The `lib/main.dart` produced by `flutter create --empty` still had its
`MaterialApp` / `Scaffold` / `Center` widget tree expanded across
multiple lines:

```dart
return const MaterialApp(
  home: Scaffold(
    body: Center(
      child: Text('Hello World!'),
    ),
  ),
);
```

The current `dart format` collapses that onto a single line because it
fits within the line length:

```dart
return const MaterialApp(
  home: Scaffold(body: Center(child: Text('Hello World!'))),
);
```

So a freshly created empty project showed formatting drift. This updates
the template source (`templates/app/lib/main.dart.tmpl`, `withEmptyMain`
block) so the generated project is already formatted.

I checked the other template Dart files exercised by the issue's repro
commands (`app`, `package`, `plugin --platforms=...`, `package_ffi`,
`plugin_ffi`, `module`) and they are already up to date with the current
formatter — earlier changes appear to have brought the rest in line,
leaving the `--empty` variant as the remaining drift.

The issue's second (optional) work item — adding a test that verifies
templates stay formatted — is left out here, since the issue notes it
"might cause friction in Dart rolls that change `dart format`'s style"
and "might not be desirable." Happy to follow up on that separately if
the team wants it.

*List which issues are fixed by this PR.*

Partially fixes flutter#175960

## 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.

This is a whitespace-only change to a generated-project template, so it
is test-exempt; the existing `flutter create --empty` test in
`create_test.dart` (which asserts the generated `main.dart` contains
`Text('Hello World!')`) continues to pass, as the change preserves that
string.

### How I verified

- Confirmed `dart format` produces the collapsed single-line form for
the generated `--empty` output (the affected template block contains no
template variables, so the generated file matches the formatted Dart
exactly).
- Manually checked the remaining template Dart files for the project
types in the issue's repro; all are already formatter-clean on current
`master`.

[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/
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md

Co-authored-by: Ben Konyi <bkonyi@google.com>