https://github.com/flutter/engine/compare/48bf7ac59254...491f317978f4

2023-07-06 chinmaygarde@google.com Account for updated Impeller label. (flutter/engine#43450)
2023-07-06 bdero@google.com [Impeller] Fix DrawPicture. (flutter/engine#43446)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
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Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
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https://github.com/flutter/engine/compare/42df55a9e63e...48bf7ac59254

2023-07-06 john@johnmccutchan.com Eagerly remove the PlatformView from the view hierarchy on Android (flutter/engine#43423)

If this roll has caused a breakage, revert this CL and stop the roller
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Removed two unnecessary `if` conditions.

https://github.com/flutter/engine/compare/06c936205d96...42df55a9e63e

2023-07-06 skia-flutter-autoroll@skia.org Roll Skia from 10a43e57e0a6 to 072dfcc435de (2 revisions) (flutter/engine#43445)
2023-07-06 dkwingsmt@users.noreply.github.com Remove dead code for recreating a11y node delegates (flutter/engine#43359)
2023-07-06 737941+loic-sharma@users.noreply.github.com [macOS] Fix assertion typo (flutter/engine#43179)

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Manual roll Flutter Engine from bd2e42b203e1 to 06c936205d96 (27 revisions)

Manual roll requested by zra@google.com

https://github.com/flutter/engine/compare/bd2e42b203e1...06c936205d96

2023-07-06 dnfield@google.com Handle nested display list clips in Impeller dispatcher (flutter/engine#43442)
2023-07-06 louiseh0313@gmail.com Add Look Up to iOS selection controls (flutter/engine#43308)
2023-07-06 skia-flutter-autoroll@skia.org Roll Skia from 6aaef9cbc3af to 10a43e57e0a6 (1 revision) (flutter/engine#43444)
2023-07-06 skia-flutter-autoroll@skia.org Roll Skia from 620de5ac9f6b to 6aaef9cbc3af (1 revision) (flutter/engine#43441)
2023-07-06 ychris@google.com Revert "[iOS][Keyboard] Wait vsync on UI thread and update viewport inset to avoid jitter." (flutter/engine#43422)
2023-07-06 skia-flutter-autoroll@skia.org Roll ICU from a2961dc659b4 to e8c3bc9ea97d (7 revisions) (flutter/engine#43440)
2023-07-06 zanderso@users.noreply.github.com Further shard clang-tidy runs (flutter/engine#43428)
2023-07-06 dnfield@google.com Release log capture at end of test (flutter/engine#43429)
2023-07-06 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from uGhka7LBG80dM_I3a... to 3D0ft09qP4-Hp_3mQ... (flutter/engine#43439)
2023-07-06 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from amH2MWTworhTLdMWy... to MEXi9Xyj7u24PSx_J... (flutter/engine#43438)
2023-07-06 109111084+yaakovschectman@users.noreply.github.com Use Windows Display Language (flutter/engine#43341)
2023-07-06 skia-flutter-autoroll@skia.org Roll Skia from b2ba6e1d8c0e to 620de5ac9f6b (2 revisions) (flutter/engine#43437)
2023-07-06 skia-flutter-autoroll@skia.org Roll Skia from 50e866b51a64 to b2ba6e1d8c0e (2 revisions) (flutter/engine#43436)
2023-07-06 skia-flutter-autoroll@skia.org Roll Skia from 8ed969b60e98 to 50e866b51a64 (1 revision) (flutter/engine#43435)
2023-07-06 737941+loic-sharma@users.noreply.github.com Fix typo in painting.dart (flutter/engine#43378)
2023-07-06 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from C3Q7MJBYkiin8zw-f... to uGhka7LBG80dM_I3a... (flutter/engine#43433)
2023-07-06 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from iwgWLB4KaXslnaGwK... to amH2MWTworhTLdMWy... (flutter/engine#43432)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from a39421eb8d7b to 8ed969b60e98 (6 revisions) (flutter/engine#43431)
2023-07-05 jonahwilliams@google.com [Impeller] Allocate fewer textures in dedicated memory and adjust buffer flags. (flutter/engine#43313)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from d6e941012b87 to a39421eb8d7b (4 revisions) (flutter/engine#43427)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from e0b9e047332d to d6e941012b87 (2 revisions) (flutter/engine#43424)
2023-07-05 ychris@google.com [iOS] Avoid crash when backdrop filter is null for PlatformViews (flutter/engine#43150)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from 401c397f7235 to e0b9e047332d (1 revision) (flutter/engine#43420)
2023-07-05 737941+loic-sharma@users.noreply.github.com [Windows] Fix `FlutterWindow::GetNativeViewAccessible` crash (flutter/engine#43368)
2023-07-05 linxunfeng@yeah.net [iOS] Fix FlutterViewController retain cycle (flutter/engine#43379)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from 23052eb28808 to 401c397f7235 (1 revision) (flutter/engine#43419)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from d58324bf653d to 23052eb28808 (3 revisions) (flutter/engine#43418)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from iwgWLB4KaXsl to MEXi9Xyj7u24
  fuchsia/sdk/core/mac-amd64 from C3Q7MJBYkiin to 3D0ft09qP4-H

If this roll has caused a breakage, revert this CL and stop the roller
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Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
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...

<!-- meta-tags: To be used by the automation script only, DO NOT MODIFY.
{
  "name": "Linux firebase_oriol33_abstract_method_smoke_test"
}
-->
The test has been passing for [50 consecutive runs](https://data.corp.google.com/sites/flutter_infra_metrics_datasite/flutter_check_test_flakiness_status_dashboard/?p=BUILDER_NAME:%22Linux%20firebase_oriol33_abstract_method_smoke_test%22).
This test can be marked as unflaky.

Adds optional visual labels to Cupertino's on/off switch for accessibility.

This pull request introduces the `buildFlexibleSpace` method to the `SearchDelegate` class in the material library. 
It allows users to add a flexible space widget to the `AppBar` in a `_SearchPage`, providing more customization options.

This PR does not fix any specific issue as there are no open issues related to this feature.

https://github.com/flutter/packages/compare/704207985a21...771ec9b42a38

2023-07-06 stuartmorgan@google.com [ci] Enable LUCI Dart unit tests (flutter/packages#4378)
2023-07-06 stuartmorgan@google.com [ci] Bring up LUCI Linux custom package tests (flutter/packages#4382)
2023-07-06 tarrinneal@gmail.com [pigeon] adds generate option for example pigeons (flutter/packages#4370)
2023-07-06 47866232+chunhtai@users.noreply.github.com [go_router] Allows redirect only GoRoute to be part of RouteMatchList (flutter/packages#4315)
2023-07-06 49699333+dependabot[bot]@users.noreply.github.com [sign_in]: Bump com.google.android.gms:play-services-auth from 20.5.0 to 20.6.0 in /packages/google_sign_in/google_sign_in_android/android (flutter/packages#4359)
2023-07-06 41930132+hellohuanlin@users.noreply.github.com [pigeon]fix a crash when casting NSNull to an Array (flutter/packages#4289)
2023-07-06 hello@kamil.id [google_sign_in_web] Fixes force unwrap on values that can be null (flutter/packages#4374)
2023-07-05 engine-flutter-autoroll@skia.org Roll Flutter from 590ef2d4 to 35085c39 (3 revisions) (flutter/packages#4379)
2023-07-05 43054281+camsim99@users.noreply.github.com [camerax] Fixes `unawaited_futures` violations (flutter/packages#4337)
2023-07-05 stuartmorgan@google.com [ci] Remove `starqlteue` from FTL tests (flutter/packages#4375)
2023-07-05 stuartmorgan@google.com [tools] Switch to `flutter test` (flutter/packages#4348)
2023-07-05 joshuapetitma@yahoo.com [flutter_markdown] Add TableCellVerticalAlignment property in markdown stylesheet (flutter/packages#3880)

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iOS OCR keyboard input support.

[flutter_tools] modify Skeleton template to use ListenableBuilder instead of AnimatedBuilder (#128810)

Replaces AnimatedBuilder for ListenableBuilder in the skeleton template

Fixes https://github.com/flutter/flutter/issues/128801

No tests needed

Previously, if you changed buttons during a long-press gesture, if it was before the gesture was accepted we would discard it, and if it was after the gesture was accepted we would silently end it without firing any of the relevant events.

This silent cancelation behavior is terrible because it means there's no way for consumers to know what state they're in, so you end up with widgets that thing they're still being long-pressed even though nothing is happening.

We could change the behavior in three ways, as far as I can tell:

- we could send a cancel event when you change buttons. This would introduce a new kind of transition (start->cancel) which I don't think we currently require people to support. This would therefore not fix existing code and would make future code more complicated to handle a really obscure user action that it seems unlikely anyone cares about.

- we could send an end event when you change buttons. This would mean the action commits, even though the user is still holding the mouse button down. This seems slightly better than the previous option but still not ideal as it means nudging the mouse button commits you even though you're still holding the button down.

- we could ignore button changes after the long-press has been accepted.

I implemented the last one in this PR.

PLUS: clean-up of all the unreachable stuff.

q.v. https://flutter.dev/go/triage-2023-rfc

Reland https://github.com/flutter/flutter/pull/129556/ which had failed
an internal test (see Google internal link b/288993600) and was reverted
in https://github.com/flutter/flutter/pull/129645.

This PR must be landed with G3 Fix cl/543755631

This more closely matches our other conventions.

Removes deprecated APIs from v2.6 in `binding.dart` and `widget_tester.dart`

Resolves #129654

This change is for an internal IDE client to send a custom hot reload
request, as custom requests from the client must start with `$/`.

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [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. (this PR is linked internally)
- [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] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
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[Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene
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[CLA]: https://cla.developers.google.com/
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[breaking change policy]:
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Manual roll Flutter Engine from 987b621eac4e to bd2e42b203e1 (32 revisions)

Manual roll requested by zra@google.com

https://github.com/flutter/engine/compare/987b621eac4e...bd2e42b203e1

2023-07-05 zanderso@users.noreply.github.com Reverts Dart SDK to version 3.1.0-262.0.dev (flutter/engine#43417)
2023-07-05 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from 8YulTHvG-Jg3Sof-S... to C3Q7MJBYkiin8zw-f... (flutter/engine#43415)
2023-07-05 skia-flutter-autoroll@skia.org Roll Dart SDK from f7c242ded366 to e193587883d6 (1 revision) (flutter/engine#43414)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from a453fed07c91 to d58324bf653d (1 revision) (flutter/engine#43413)
2023-07-05 skia-flutter-autoroll@skia.org Roll Skia from faf906db84ab to a453fed07c91 (4 revisions) (flutter/engine#43412)
2023-07-05 skia-flutter-autoroll@skia.org Roll Dart SDK from c89f5ac4fd46 to f7c242ded366 (1 revision) (flutter/engine#43410)
2023-07-04 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from 8-taK-r4HkgVAIGtU... to 8YulTHvG-Jg3Sof-S... (flutter/engine#43409)
2023-07-04 skia-flutter-autoroll@skia.org Roll Dart SDK from 7cd6ed860b63 to c89f5ac4fd46 (1 revision) (flutter/engine#43408)
2023-07-04 skia-flutter-autoroll@skia.org Roll Dart SDK from d128bd4977a7 to 7cd6ed860b63 (1 revision) (flutter/engine#43406)
2023-07-04 skia-flutter-autoroll@skia.org Roll Skia from eaca275ef1c0 to faf906db84ab (1 revision) (flutter/engine#43405)
2023-07-04 skia-flutter-autoroll@skia.org Roll Dart SDK from e58e3bd3b507 to d128bd4977a7 (1 revision) (flutter/engine#43403)
2023-07-04 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from GNWxBcnfjZlyaOw34... to 8-taK-r4HkgVAIGtU... (flutter/engine#43402)
2023-07-04 skia-flutter-autoroll@skia.org Roll Skia from bb18c9b1f730 to eaca275ef1c0 (1 revision) (flutter/engine#43401)
2023-07-04 skia-flutter-autoroll@skia.org Roll Dart SDK from 604ccea2f5b9 to e58e3bd3b507 (1 revision) (flutter/engine#43400)
2023-07-04 skia-flutter-autoroll@skia.org Roll Skia from 85a3fda32850 to bb18c9b1f730 (3 revisions) (flutter/engine#43399)
2023-07-04 49699333+dependabot[bot]@users.noreply.github.com Bump actions/labeler from 4.1.0 to 4.2.0 (flutter/engine#43398)
2023-07-04 skia-flutter-autoroll@skia.org Roll Skia from 4abc43e2ffcc to 85a3fda32850 (1 revision) (flutter/engine#43393)
2023-07-04 chinmaygarde@google.com [Impeller] Document `impeller::Context`. (flutter/engine#43389)
2023-07-03 skia-flutter-autoroll@skia.org Roll Dart SDK from a4c5ed075a2b to 604ccea2f5b9 (1 revision) (flutter/engine#43390)
2023-07-03 skia-flutter-autoroll@skia.org Roll Dart SDK from c092e09b7e64 to a4c5ed075a2b (1 revision) (flutter/engine#43387)
2023-07-03 skia-flutter-autoroll@skia.org Roll Skia from 6a5ea15c942b to 4abc43e2ffcc (1 revision) (flutter/engine#43386)
2023-07-03 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from cytps4RRhs8-wbcVJ... to GNWxBcnfjZlyaOw34... (flutter/engine#43373)
2023-07-03 skia-flutter-autoroll@skia.org Roll Dart SDK from dedff8f0ebd2 to c092e09b7e64 (1 revision) (flutter/engine#43374)
2023-07-03 skia-flutter-autoroll@skia.org Roll Skia from 94ad507b8959 to 6a5ea15c942b (1 revision) (flutter/engine#43385)
2023-07-03 skia-flutter-autoroll@skia.org Roll Skia from e16d5b988a36 to 94ad507b8959 (2 revisions) (flutter/engine#43383)
2023-07-03 skia-flutter-autoroll@skia.org Roll Skia from 384b84445a9f to e16d5b988a36 (1 revision) (flutter/engine#43382)
2023-07-02 skia-flutter-autoroll@skia.org Roll Skia from dbf0829114ee to 384b84445a9f (2 revisions) (flutter/engine#43381)
2023-07-01 bdero@google.com [Impeller] Remove blend mode restrictions on clear color optimization (flutter/engine#43348)
2023-07-01 skia-flutter-autoroll@skia.org Roll Dart SDK from f00f7363f4bf to dedff8f0ebd2 (4 revisions) (flutter/engine#43371)
2023-07-01 skia-flutter-autoroll@skia.org Roll Skia from ceaeef84b8a3 to dbf0829114ee (15 revisions) (flutter/engine#43370)
2023-07-01 bdero@google.com [Impeller] Add explicit color filter types to Aiks. (flutter/engine#43342)
2023-07-01 skia-flutter-autoroll@skia.org Roll Dart SDK from 2d98d9e27dae to f00f7363f4bf (1 revision) (flutter/engine#43354)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from cytps4RRhs8- to C3Q7MJBYkiin

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

...

This PR is adding a file of two simple unit tests in order to improve code coverage (covering two simple classes within the annotations.dart file).

The issue this is fixing is the lack of complete test coverage for the annotations.dart file.

When android uses iOS style `PageTransitionsBuilder` and iOS uses android style `PageTransitionsBuilder`, on android, swipe from the left edge of the screen doesn't work. This PR solves that problem.

#99919 introduced a breaking change, the pr re-implemented it <del>without introducing a breaking change.**</del>

# Proposal

I suggest to make possible to specify .env files to the --dart-define-from-file in addition to the Json format.

# Issue

Close #128667

Sample code is added, documentation condensed, and links to guidelines updated.

For b/258360306

https://github.com/flutter/packages/compare/a03b900efc0e...704207985a21

2023-07-05 stuartmorgan@google.com [ci] Add a web version of Dart unit tests (flutter/packages#4352)
2023-07-04 engine-flutter-autoroll@skia.org Roll Flutter from aa5f4a28 to 590ef2d4 (5 revisions) (flutter/packages#4373)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
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https://github.com/flutter/packages/compare/cdae854a59b9...a03b900efc0e

2023-07-03 10687576+bparrishMines@users.noreply.github.com [webview_flutter_wkwebview] Fixes inspectable compile-time error and crash from equal `NSURL`s (flutter/packages#4340)

If this roll has caused a breakage, revert this CL and stop the roller
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https://github.com/flutter/packages/compare/53ed5a0aa9e4...cdae854a59b9

2023-07-01 engine-flutter-autoroll@skia.org Roll Flutter from ff838bca to aa5f4a28 (29 revisions) (flutter/packages#4363)
2023-07-01 stuartmorgan@google.com [tool] Add a flag to skip cleanup (flutter/packages#4357)
2023-07-01 stuartmorgan@google.com [file_selector] Endorse Android (flutter/packages#4329)
2023-07-01 stuartmorgan@google.com [google_sign_in] Convert Android to Pigeon (flutter/packages#4344)
2023-06-30 tarrinneal@gmail.com [Pigeon] readme updates (flutter/packages#3705)
2023-06-30 43054281+camsim99@users.noreply.github.com [camera_android] Support concurrently image capture and image streaming (flutter/packages#4332)
2023-06-30 kustermann.martin@gmail.com Prepare for utf8.encode() to return more precise Uint8List type (flutter/packages#4342)
2023-06-30 tarrinneal@gmail.com [shared_preferences] Adds allowList to setPrefix method. (flutter/packages#3794)
2023-06-30 engine-flutter-autoroll@skia.org Roll Flutter from 51bef1b6 to ff838bca (12 revisions) (flutter/packages#4346)

If this roll has caused a breakage, revert this CL and stop the roller
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https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

https://github.com/flutter/engine/compare/e6b8292705a8...987b621eac4e

2023-07-01 skia-flutter-autoroll@skia.org Roll Skia from 2d05e3ec6b67 to ceaeef84b8a3 (1 revision) (flutter/engine#43355)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jimgraham@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

There didn't seem to be any examples on how to do this.

I've only shown the Linux implementation, others may want to follow this
PR up with support for other platforms.

Removes the remaining links to the old linter site, to the guaranteed dart.dev/lints redirect.

Contributes to https://github.com/dart-lang/linter/issues/4460 and https://github.com/dart-lang/site-www/issues/4499

Wildcard parameters and local variables (e.g. underscore-only names like _, __, ___, etc.) will become non-binding in a future version of the Dart language. Any existing code that uses wildcard parameters or variables will break. In anticipation of this change, and to make adoption easier, this lint disallows wildcard and variable parameter uses.

We had no violations of this in the framework. Let's keep it that way!

Even after updating the account (and the cloudKMS GitHub token), when
the bot tries to push to
https://github.com/flutter-pub-roller-bot/flutter, it gets a 403, which
probably means authentication failed. I will have to investigate next
week.

```
Exception: GitException: Exception on command "push https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git packages-autoroller-branch-1:packages-autoroller-branch-1": Command "git push https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git packages-autoroller-branch-1:packages-autoroller-branch-1" failed in directory "/b/s/w/ir/x/w/flutter_conductor_checkouts/framework" to update the release branch with the commit. Git exited with error code 128.
stderr from git:
16:33:21.199510 exec-cmd.c:90           trace: resolved executable path from procfs: /b/s/w/ir/cipd_bin_packages/bin/git
16:33:21.199587 exec-cmd.c:237          trace: resolved executable dir: /b/s/w/ir/cipd_bin_packages/bin
16:33:21.200155 git.c:460               trace: built-in: git push https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git packages-autoroller-branch-1:packages-autoroller-branch-1
16:33:21.200542 run-command.c:655       trace: run_command: GIT_DIR=.git git remote-https https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git
16:33:21.201787 exec-cmd.c:90           trace: resolved executable path from procfs: /b/s/w/ir/cipd_bin_packages/libexec/git-core/git
16:33:21.201845 exec-cmd.c:237          trace: resolved executable dir: /b/s/w/ir/cipd_bin_packages/libexec/git-core
16:33:21.202175 git.c:750               trace: exec: git-remote-https https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git
16:33:21.202195 run-command.c:655       trace: run_command: git-remote-https https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git https://[GitHub TOKEN]@github.com/flutter-pub-roller-bot/flutter.git
16:33:21.203510 exec-cmd.c:90           trace: resolved executable path from procfs: /b/s/w/ir/cipd_bin_packages/libexec/git-core/git-remote-http
16:33:21.203567 exec-cmd.c:237          trace: resolved executable dir: /b/s/w/ir/cipd_bin_packages/libexec/git-core
remote: Permission to flutter-pub-roller-bot/flutter.git denied to flutter-pub-roller-bot.
fatal: unable to access 'https://github.com/flutter-pub-roller-bot/flutter.git/': The requested URL returned error: 403
```


https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20packages_autoroller/6031/overview

This is still being tracked in
https://github.com/flutter/flutter/issues/129744

Fixes https://github.com/flutter/flutter/issues/129744
Part of https://github.com/flutter/flutter/issues/129847

Migrate the packages_autoroller script to push to
flutter-pub-roller-bot/flutter.git, rather than
fluttergithubbot/flutter.git.

Fixes #129532.

This ensures that when a test properly uses `debugNetworkImageHttpClientProvider` to tell `NetworkImage` to use a fake `HttpClient`, we don't go ahead and try to instantiate `HttpClient` anyway and generate a misleading warning.

https://github.com/flutter/engine/compare/54b573e9c4e5...e6b8292705a8

2023-06-30 jonahwilliams@google.com [Impeller] cache MSAA texture in swapchain for devices that do not support memoryless. (flutter/engine#43349)
2023-06-30 jonahwilliams@google.com [Impeller] Fix validation error in position color shader. (flutter/engine#43356)
2023-06-30 109111084+yaakovschectman@users.noreply.github.com Fix inverted boolean in Windows document selection changed a11y event (flutter/engine#43281)
2023-06-30 bdero@google.com Revert "Reland "add non-rendering operation culling to DisplayListBuilder" (#41463)" (flutter/engine#43358)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jimgraham@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md