…ication packages (#194047)

Eliminates ambient `globals.dart` usage in
`ios/application_package.dart`, `macos/application_package.dart`,
`windows/application_package.dart`, and
`flutter_application_package.dart` by injecting `PlistParser` and
`ToolContext` explicitly.

Part of #47161

## 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.
- [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.

…n constants (#195458)

Changes the Porter Duff blend shader to use uniforms instead of
specialization constants for the blending coefficients. As each
specialized variant triggered a full shader compile, this removes 14
shader compiles (~23%) from the engine initialization path, it also
removes overhead from swapping shaders.

This was how the shader was initially configured. It was modified to use
specialization constants because of compilation issues on adreno chips
using Vulkan ([PR](#161273),
[issue](#161209)). However,
those chips are now blacklisted from Vulkan
([PR](#178833)) - so no
compilation issues occur.

## 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 in-code documentation (doc comments with
`///`).
- [x] If this PR introduces a new feature or capability, I created and
linked a website documentation issue or PR in [flutter/website] (or
verified none is needed).
- [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.

https://skia.googlesource.com/skia.git/+log/c0c46ee9f938..121d04c01e2d

2026-10-30 [email protected] [sksl] Add subgroup arithmetic intrinsics
2026-10-30 [email protected] Reland "miracleptr: Rewrite
src/core references to raw_ref"
2026-10-30 [email protected] Roll
vulkan-deps from 3e43f3a7c7a0 to 771ad08d3047 (3 revisions)
2026-10-30 [email protected] [SkRecorder] Implement
SkContext::makeRecorder and BackendSelection
2026-10-30 [email protected] Add raw_ptr overloads for
sk_ref_sp and SkRef
2026-10-30 [email protected] Disable skia_use_partition_alloc
on Wasm
2026-10-30 [email protected] Revert "miracleptr: Rewrite
src/core references to raw_ref"
2026-10-30 [email protected] Add missing std headers to no-op
raw_ptr/raw_ref
2026-10-30 [email protected] [Ganesh] Ensure flush token is
advanced at the end of every flush

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Part of flutter/devtools#9893 (the DevTools accessibility page). Design:
[flutter.dev/go/view-metrics-overrides](https://flutter.dev/go/view-metrics-overrides).

#192764 added the `debugViewMetricsOverrides` registry and the
`ext.flutter.viewMetricsOverride` service extension. This PR makes those
overrides take effect, which the DevTools override controls depend on.
Next up: `flutter_test` support for test views with their own ids, and
moving `ext.flutter.brightnessOverride` onto the registry.

## What this does

In debug mode, `BindingBase.platformDispatcher` wraps
`PlatformDispatcher.instance`. The wrapper and its views report
overridden metrics, so everything that reads them through the binding
(`MediaQuery`, `RenderView`, gestures, semantics, image resolution,
accessibility evaluations) sees the overrides without any
override-specific code. Changing an override fires the same `dart:ui`
callbacks a real platform change would.

`RenderView`, `View`, `RawView` and `MediaQueryData.fromView` map a raw
engine view to the binding's wrapped one, so overrides apply to it too.
Widget tests see overrides through `TestWidgetsFlutterBinding`, and
explicit test values still take precedence. Profile and release builds
are unchanged.

New API: `debugApplyViewMetricsOverrides` wraps a dispatcher, for
bindings that supply their own, and `debugViewWithMetricsOverrides` maps
a raw engine view to its wrapper.

## Behavior changes and caveats

- Debug only: `View.of(context)` and the binding's views are no longer
`identical` to the ones `PlatformDispatcher.instance` reports. A view's
`platformDispatcher` is a wrapper for that view, not
`PlatformDispatcher.instance` or an app binding's dispatcher. Compare
views by `viewId`.
- Debug only: a `FlutterView` test double passed to `View`, `RawView`,
`RenderView` or `MediaQueryData.fromView` must implement
`platformDispatcher` and `viewId`.
- `TestPlatformDispatcher.scaleFontSize` asks the wrapped dispatcher
unless `textScaleFactorTestValue` is set, so non-linear text scaling
applies in tests. A fake dispatcher without `scaleFontSize` still gets
linear scaling.
- An overridden `physicalSize` lays out at that size but still renders
into the real surface, anchored top-left.
- An ancestor `MediaQuery` still wins over platform-wide overrides, as
it does over real platform settings. `debugBrightnessOverride` still
wins over an overridden brightness.
- `ui.window`, direct `PlatformDispatcher.instance` reads and
engine-drawn content (platform views, system UI, keyboard) don't see
overrides.
- Text scalers compare by `textScaleFactor`, so a new `textScaling`
table with the same first-point ratio only reaches already laid-out text
when that text lays out again.

## Tests

- `foundation/debug_view_metrics_override_test.dart`: the wrappers, per
metric and per view, plus view identity, normalization, change
notifications and validation.
- `widgets/debug_view_metrics_override_test.dart`: end to end through
`MediaQuery`, views, layout, pointer events, semantics, images and
accessibility evaluations, and precedence of explicit test values.
- `service_extensions_test.dart` covers an override set through the
extension. `platform_dispatcher_test.dart` covers `scaleFontSize`
delegation and its fallback for fakes.

## 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
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- [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 in-code documentation (doc comments with
`///`).
- [x] If this PR introduces a new feature or capability, I created and
linked a website documentation issue or PR in [flutter/website] (or
verified none is needed).
- [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.

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…on (#190795)

Replaces static `Cache.flutterRoot` state and ambient `globals` usage
across `Cache` and its callers with instance configuration and explicit
`ToolContext` dependency injection, and consolidates `ToolContext`
parameter passing across call sites.

Part of #47161

## Pre-launch Checklist

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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] All existing and new tests are passing.

This updates documentation on golden file testing in flutter/flutter
that had fallen out of date

## Pre-launch Checklist

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there for submitting PRs.
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---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

…ut (#194601)

Platform view slots use `position: absolute` with CSS transforms to
position elements. When the host document uses `dir="rtl"`, the browser
defaults the static position of unconstrained absolute elements to the
right edge instead of the left, pushing the slot offscreen when the 2D
translation matrix is applied.
This explicitly sets `top: 0` and `left: 0` in `_resetAnchor` to ensure
the transform origin and base coordinates always
start at (0, 0).

## Description

When Flutter Web is embedded in a webpage where `<html dir="rtl">` or
`<body dir="rtl">` is set, platform views (`HtmlElementView`) render
offscreen to the right.
Fixes #195150

### Cause
`<flt-platform-view-slot>` uses `position: absolute` without explicit
`top`/`left` anchors. Per CSS 2.1 §10.3.7, an unconstrained absolutely
positioned element's static horizontal position aligns to the containing
block's right edge in an RTL context. When Flutter translates the
element with `transform: matrix(1, 0, 0, 1, x, y)`, the `+x` translation
offsets from the right edge rather than (0, 0) top-left, throwing the
view offscreen.

### Fix
Explicitly set `top: 0` and `left: 0` in `_resetAnchor`
(`embedder.dart`) for platform view slots so coordinate transforms
always calculate from (0, 0).


## Tests Added

- `test/ui/platform_view_position_test.dart`: Added `Platform view slot
coordinates are anchored to top-left even in RTL document` validating
slot position and rect when `domDocument.documentElement.dir == 'rtl'`.

## 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 in-code documentation (doc comments with
`///`).
- [ ] If this PR introduces a new feature or capability, I created and
linked a website documentation issue or PR in [flutter/website] (or
verified none is needed).
- [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.

---------

Co-authored-by: Mouad Debbar <[email protected]>
Co-authored-by: Mouad Debbar <[email protected]>
Co-authored-by: zhongliugo <[email protected]>

https://skia.googlesource.com/skia.git/+log/121d04c01e2d..ce0b85b46db6

2026-10-30 [email protected] [skparagraph] Leave room for the soft
hyphen when justifying
2026-10-30 [email protected] [skparagraph] Do not make invalid cluster
ranges in justify
2026-10-30 [email protected] Make SkRemoteGlyphCache_b576664769 bounds
check scaler independent
2026-10-30 [email protected] Prepare src/core for the raw_ptr
rewrite
2026-10-30 [email protected] Fix integer overflow and oversized glyph
rasterization in SDF generation
2026-10-30 [email protected] [sfnt] Validate table bounds in
RenameFont

If this roll has caused a breakage, revert this CL and set the roller
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…le cores (#195071)

`CPUSpeedTracker` counts the CPUs with the lowest `cpuinfo_max_freq` as
efficiency cores, and the raster thread is set to the other cores
(`kNotEfficiency`, renamed `kNotLittle` in this PR). On a chip without
little cores, those are full-size cores. On the Snapdragon 8 Elite and 8
Elite Gen 5 (two prime and six performance Oryon cores) the raster
thread only gets the two prime cores. They are mostly idle, so raster
frames start at the cluster's lowest frequency. See #195070 for
measurements.

This change also reads `/sys/devices/system/cpu/cpuN/cpu_capacity`, the
kernel's rating of each CPU, scaled so that the fastest is 1024. When
every CPU has a capacity and none is below half of the fastest, the chip
has no little cores, and `kNotLittle` is every core.

- Why half: little cores rate well below it. Upstream SM8650 device
trees put the Cortex-A520 at about 37% of the X4 at their top
frequencies. The SM8850's performance cores are at 762 of 1024.
- Equal capacities, or a CPU without one, change nothing. A kernel
without capacity data reports 1024 for every CPU.
- Other affinities do not change. `kEfficiency` is still the slowest
group, so background threads stay off the prime cores.
- `kNotEfficiency` is renamed `kNotLittle`, since on these chips it
includes the efficiency cores. Each `CpuAffinity` value's doc says which
cores it covers, and that performance and efficiency there are speed
groups, not the industry's core types.
- Chips with little cores (Snapdragon 8 Gen 1–3, Tensor, Exynos 2400)
should keep the current set. I have only read the capacities of the
SM8850.
- Other chips without little cores also get every core. Examples:
Dimensity 9300/9400 (the slowest group is four Cortex-A720), Snapdragon
8s Gen 4, and Snapdragon 8 Elite Gen 6. On the 8 Elite Gen 6 the six
performance cores report two top frequencies (4.03 and 3.74 GHz), so
today three of them count as efficiency cores. I have not measured these
chips.
- On the Dimensity 9600 Pro (2 × C2-Ultra at 4.55 GHz, 3 × C2-Pro at
4.35 GHz, 3 × C2-Pro at 3.1 GHz), the 3.1 GHz cores should rate near
half, so it may go either way. Either way the raster thread keeps at
least the five cores it gets today.

This keeps the current design and only widens it where the capacities
are clear. A chip whose performance cores rate below half of its prime
cores would still leave the raster thread on the prime cores. The more
general fix would be to stop pinning the raster thread, as Android does
not pin a native app's RenderThread. That needs measurements on the
devices that flutter-team-archive/engine#45673
and #153690 were about, so this change leaves it out.

Tests: three new `CpuAffinity` tests in `fml_unittests`. `NoLittleCores`
fails without this change. I ran the `CpuAffinity` tests against the
changed files in a standalone build with clang++ and g++, not in a full
engine build. On an SM8850 phone, setting the raster threads to every
core from the app (the same result as this change) gave the numbers in
#195070. I have not tested a custom engine build on the device.

Fixes #195070

## Pre-launch Checklist

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- [x] I followed the [breaking change policy] and added [Data Driven
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Adds new test run that just runs a handful of tests with vulkan
synchronization validation layers on. The synchronization layers are
heavy so we opted for this instead of running every tests with them on.

fixes #195502

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2026-10-30 [email protected] [graphite] Cleanup PathAtlas API
2026-10-30 [email protected] [raster] Copy temporarily immutable
bitmaps in asLegacyBitmap()
2026-10-30 [email protected] [skparagraph] Report a hit on the ellipsis
or hyphen as upstream

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`Positioned` works inside an `Overlay` as well as a `Stack`, but its
documentation only described the `Stack` case. This updates the
documentation across `Positioned`, `PositionedDirectional`, the animated
variants and the transition variants.

Fixes #107903.

The path restriction now covers both `RenderObjectWidget`s and other
`ParentDataWidget`s, including `Expanded`, and identifies the boundary
for each of the three overlay builders. `Overlay` documents the
positioned-child alignment and normal non-positioned-child sizing, with
links to `canSizeOverlay` and `alwaysSizeToContent` for the cases where
a child determines the overlay size.

Documentation only; no behavior or API changes.

Validation from the review rounds is recorded in the inline replies and
summary comments. The latest corrections are in `a9cecb891`.

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---------

Co-authored-by: Victor Sanni <[email protected]>

Defer `xcode` and `xcodeProjectInterpreter` evaluation in
`globals.projectFactory` by passing `xcodeBuilder: () => xcode` and
`xcodeProjectInterpreterBuilder: () => xcodeProjectInterpreter` instead
of eagerly evaluating the `context.get` getters.

Previously, accessing `globals.projectFactory` (e.g., via `Cache` during
`Analytics` initialization) eagerly evaluated `globals.xcode` and
`globals.xcodeProjectInterpreter`, triggering an `AppContext` dependency
cycle (`Analytics -> Cache -> Xcode -> XcodeProjectInterpreter`).

Includes a regression test in
`packages/flutter_tools/test/general.shard/globals_test.dart`.

Part of #47161
Related to #188471

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recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
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2026-10-31
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2026-10-31
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2026-10-31 [email protected] Roll
vulkan-deps from 771ad08d3047 to 0b67fd39dd3b (9 revisions)

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