Upgrade to Visual Studio 2026 by JunielKatarn · Pull Request #16170 · microsoft/react-native-windows

Julio César Rocha (JunielKatarn) · 2026-05-21T01:44:34Z

Description

Add support for Visual Studio 2026 (MSVC 14.5).

Type of Change

Erase all that don't apply.

New feature (non-breaking change which adds functionality)

Why

Visual Studio 2026 has reached enouth adoption and maturity to be considered the standard IDE for Windows development.
Keeping Visual Studio 2022 as the default may force developers to have two different VS versions in their computers.

What

Updated dependency installation script to install Visual Studio 2026 and .NET 10.
Conditioned deprecated async-related flags and namespaces to older MSVC versions (14.4 and earlier).
Converted APIs that use std::future as coroutines to WinRT async types.
Note: Used IBuffer instead of hstring because the 16 to 8 bit string conversion functions could drop non-printable bytes which are needed for Hermes bundle headers.

Microsoft Reviewers: Open in CodeFlow

… vs18

github-actions · 2026-05-21T02:20:03Z

Performance Test Results

Branch: vs18
Commit: b3e353da
Time: 2026-05-28T01:37:11.162Z
Tests: 161/161 passed

✅ Passed

161 scenario(s) across 28 suite(s) — no regressions

SectionList

Scenario	Mean	Median	StdDev	Renders	vs Baseline
SectionList mount	4.70ms	4.00ms	±1.25ms	1	-20.0%
SectionList unmount	0.20ms	0.00ms	±0.42ms	0	+0.0%
SectionList rerender	9.30ms	10.00ms	±0.95ms	2	-4.8%
SectionList with-3-sections-15-items	4.70ms	5.00ms	±0.67ms	1	-9.1%
SectionList with-5-sections-50-items	5.70ms	5.00ms	±1.06ms	1	-16.7%
SectionList with-10-sections-200-items	5.60ms	5.00ms	±1.43ms	1	-9.1%
SectionList with-20-sections-200-items	4.70ms	5.00ms	±1.57ms	1	+0.0%
SectionList with-section-separator	1.70ms	2.00ms	±0.48ms	1	+0.0%
SectionList with-item-separator	2.10ms	2.00ms	±0.57ms	1	+0.0%
SectionList with-header-footer	1.70ms	2.00ms	±0.48ms	1	+0.0%
SectionList with-section-footer	2.10ms	2.00ms	±1.79ms	1	+0.0%
SectionList with-sticky-section-headers	1.50ms	1.00ms	±0.71ms	1	-50.0%
SectionList with-empty-list	0.50ms	0.50ms	±0.53ms	1	-50.0%
SectionList with-50-sections-1000-items	1.90ms	1.50ms	±1.52ms	1	-25.0%

FlatList

Scenario	Mean	Median	StdDev	Renders	vs Baseline
FlatList mount	3.70ms	4.00ms	±0.67ms	1	+0.0%
FlatList unmount	0.10ms	0.00ms	±0.32ms	0	+0.0%
FlatList rerender	9.20ms	9.00ms	±1.48ms	2	+0.0%
FlatList with-10-items	4.30ms	4.00ms	±1.34ms	1	+0.0%
FlatList with-100-items	4.10ms	4.00ms	±0.57ms	1	-20.0%
FlatList with-500-items	5.10ms	5.00ms	±1.45ms	1	+25.0%
FlatList with-1000-items	3.60ms	4.00ms	±0.52ms	1	+0.0%
FlatList horizontal	4.00ms	4.00ms	±0.82ms	1	-20.0%
FlatList with-separator	1.70ms	2.00ms	±0.48ms	1	+0.0%
FlatList with-header-footer	1.30ms	1.00ms	±0.48ms	1	-50.0%
FlatList with-empty-list	0.40ms	0.00ms	±0.52ms	1	-100.0%
FlatList with-get-item-layout	1.20ms	1.00ms	±0.42ms	1	+0.0%
FlatList inverted	1.20ms	1.00ms	±0.42ms	1	-33.3%
FlatList with-num-columns	3.20ms	3.00ms	±2.10ms	1	+0.0%

TouchableOpacity

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableOpacity mount	0.50ms	0.50ms	±0.53ms	1	-50.0%
TouchableOpacity unmount	0.10ms	0.00ms	±0.32ms	0	+0.0%
TouchableOpacity rerender	0.80ms	1.00ms	±0.42ms	2	+0.0%
TouchableOpacity custom-active-opacity	0.50ms	0.50ms	±0.53ms	1	-50.0%
TouchableOpacity disabled	0.60ms	1.00ms	±0.52ms	1	+0.0%
TouchableOpacity with-all-handlers	0.40ms	0.00ms	±0.52ms	1	-100.0%
TouchableOpacity with-hit-slop	0.90ms	1.00ms	±0.32ms	1	+0.0%
TouchableOpacity with-delay	0.70ms	1.00ms	±0.48ms	1	+0.0%
TouchableOpacity nested	1.70ms	1.00ms	±1.57ms	1	+0.0%
TouchableOpacity multiple-10	5.00ms	4.00ms	±1.73ms	1	-33.3%
TouchableOpacity multiple-50	22.40ms	22.00ms	±2.77ms	1	-24.1%
TouchableOpacity multiple-100	23.93ms	22.00ms	±8.56ms	1	-56.0%

ScrollView

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ScrollView mount	0.30ms	0.00ms	±0.48ms	1	+0.0%
ScrollView unmount	0.10ms	0.00ms	±0.32ms	0	+0.0%
ScrollView rerender	0.60ms	1.00ms	±0.52ms	2	+0.0%
ScrollView children-20	3.20ms	3.00ms	±1.08ms	1	-25.0%
ScrollView children-100	15.07ms	14.00ms	±2.43ms	1	-12.5%
ScrollView horizontal	3.00ms	3.00ms	±0.00ms	1	-25.0%
ScrollView sticky-headers	2.40ms	3.00ms	±0.84ms	1	+0.0%
ScrollView scroll-indicators	0.70ms	1.00ms	±0.48ms	1	+0.0%
ScrollView nested	1.20ms	1.00ms	±0.42ms	1	+0.0%
ScrollView content-container-style	0.60ms	1.00ms	±0.52ms	1	+0.0%
ScrollView children-500	20.07ms	20.00ms	±2.99ms	1	+5.3%

TouchableHighlight

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableHighlight mount	0.40ms	0.00ms	±0.52ms	1	-100.0%
TouchableHighlight unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
TouchableHighlight rerender	0.70ms	1.00ms	±0.48ms	2	+0.0%
TouchableHighlight custom-underlay-color	0.40ms	0.00ms	±0.52ms	1	+0.0%
TouchableHighlight custom-active-opacity	0.30ms	0.00ms	±0.48ms	1	+0.0%
TouchableHighlight disabled	0.20ms	0.00ms	±0.42ms	1	+0.0%
TouchableHighlight with-all-handlers	0.20ms	0.00ms	±0.42ms	1	+0.0%
TouchableHighlight with-hit-slop	0.40ms	0.00ms	±0.52ms	1	+0.0%
TouchableHighlight nested-touchables	0.80ms	1.00ms	±0.42ms	1	+0.0%
TouchableHighlight multiple-touchables-10	1.90ms	2.00ms	±0.32ms	1	-33.3%
TouchableHighlight multiple-touchables-50	11.90ms	11.00ms	±2.69ms	1	-12.0%
TouchableHighlight multiple-touchables-100	21.70ms	21.00ms	±2.91ms	1	-6.7%

Pressable

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Pressable mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
Pressable unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Pressable rerender	0.50ms	0.50ms	±0.53ms	2	+0.0%
Pressable with-all-handlers	0.50ms	0.50ms	±0.53ms	1	+Infinity%
Pressable with-style-function	0.30ms	0.00ms	±0.48ms	1	+0.0%
Pressable disabled	0.20ms	0.00ms	±0.42ms	1	+0.0%
Pressable with-hit-slop	0.20ms	0.00ms	±0.42ms	1	+0.0%
Pressable nested	0.60ms	1.00ms	±0.52ms	1	+0.0%
Pressable multiple-10	2.53ms	3.00ms	±0.52ms	1	+0.0%
Pressable multiple-50	13.67ms	14.00ms	±1.72ms	1	+0.0%
Pressable multiple-100	19.27ms	20.00ms	±10.79ms	1	+66.7%

Modal

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Modal mount	0.30ms	0.00ms	±0.48ms	1	+0.0%
Modal unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Modal rerender	0.60ms	1.00ms	±0.52ms	2	+Infinity%
Modal slide-animation	0.30ms	0.00ms	±0.48ms	1	+0.0%
Modal fade-animation	0.20ms	0.00ms	±0.42ms	1	+0.0%
Modal transparent	0.30ms	0.00ms	±0.48ms	1	+0.0%
Modal with-callbacks	0.10ms	0.00ms	±0.32ms	1	+0.0%
Modal rich-content	1.60ms	2.00ms	±0.52ms	1	+0.0%
Modal with-accessibility	0.10ms	0.00ms	±0.32ms	1	+0.0%

Image

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Image mount	0.10ms	0.00ms	±0.32ms	1	+0.0%
Image unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Image rerender	0.00ms	0.00ms	±0.00ms	2	+0.0%
Image with-resize-mode	0.00ms	0.00ms	±0.00ms	1	+0.0%
Image with-border-radius	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image with-tint-color	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image with-blur-radius	0.20ms	0.00ms	±0.42ms	1	+0.0%
Image with-accessibility	0.00ms	0.00ms	±0.00ms	1	+0.0%
Image multiple-10	0.67ms	1.00ms	±0.49ms	1	+0.0%
Image multiple-50	3.33ms	3.00ms	±0.49ms	1	+0.0%
Image multiple-100	7.53ms	7.00ms	±1.06ms	1	-12.5%

ActivityIndicator

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ActivityIndicator mount	0.10ms	0.00ms	±0.32ms	1	+0.0%
ActivityIndicator unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
ActivityIndicator rerender	0.20ms	0.00ms	±0.42ms	2	+0.0%
ActivityIndicator size-large	0.00ms	0.00ms	±0.00ms	1	+0.0%
ActivityIndicator size-small	0.20ms	0.00ms	±0.42ms	1	+0.0%
ActivityIndicator with-color	0.10ms	0.00ms	±0.32ms	1	+0.0%
ActivityIndicator not-animating	0.10ms	0.00ms	±0.32ms	1	+0.0%
ActivityIndicator with-accessibility	0.10ms	0.00ms	±0.32ms	1	+0.0%
ActivityIndicator multiple-10	0.87ms	1.00ms	±0.35ms	1	+0.0%
ActivityIndicator multiple-50	3.40ms	3.00ms	±1.35ms	1	-25.0%
ActivityIndicator multiple-100	7.33ms	7.00ms	±1.40ms	1	+0.0%

Switch

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Switch mount	0.10ms	0.00ms	±0.32ms	1	+0.0%
Switch unmount	0.10ms	0.00ms	±0.32ms	0	+0.0%
Switch rerender	0.50ms	0.50ms	±0.53ms	2	+0.0%
Switch value-true	0.10ms	0.00ms	±0.32ms	1	+0.0%
Switch disabled	0.30ms	0.00ms	±0.48ms	1	+0.0%
Switch custom-colors	0.30ms	0.00ms	±0.48ms	1	+0.0%
Switch on-value-change	0.10ms	0.00ms	±0.32ms	1	+0.0%
Switch with-accessibility	0.10ms	0.00ms	±0.32ms	1	+0.0%
Switch multiple-10	1.40ms	1.00ms	±0.51ms	1	-50.0%
Switch multiple-50	8.47ms	7.00ms	±2.90ms	1	-22.2%
Switch multiple-100	17.07ms	18.00ms	±3.13ms	1	+12.5%

Button

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Button mount	0.40ms	0.00ms	±0.52ms	1	-100.0%
Button unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
Button rerender	1.00ms	1.00ms	±0.47ms	2	+0.0%
Button disabled	0.50ms	0.50ms	±0.53ms	1	-50.0%
Button with-color	0.50ms	0.50ms	±0.53ms	1	+0.0%
Button with-accessibility	0.50ms	0.50ms	±0.53ms	1	-50.0%
Button multiple-10	5.00ms	5.00ms	±1.25ms	1	-16.7%
Button multiple-50	19.00ms	22.00ms	±7.31ms	1	-18.5%
Button multiple-100	14.73ms	13.00ms	±3.49ms	1	-31.6%

TextInput

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TextInput mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
TextInput unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
TextInput rerender	0.10ms	0.00ms	±0.32ms	2	+0.0%
TextInput multiline	0.20ms	0.00ms	±0.42ms	1	+0.0%
TextInput with-value	0.20ms	0.00ms	±0.42ms	1	+0.0%
TextInput styled	0.20ms	0.00ms	±0.42ms	1	+0.0%
TextInput multiple-100	7.00ms	7.00ms	±1.31ms	1	+0.0%

View

Scenario	Mean	Median	StdDev	Renders	vs Baseline
View mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
View unmount	0.00ms	0.00ms	±0.00ms	0	+0.0%
View rerender	0.10ms	0.00ms	±0.32ms	2	+0.0%
View nested-50	3.40ms	3.00ms	±1.06ms	1	+0.0%
View nested-100	7.20ms	7.00ms	±1.26ms	1	+0.0%
View shadow	0.20ms	0.00ms	±0.42ms	1	+0.0%
View border-radius	0.10ms	0.00ms	±0.32ms	1	+0.0%
View nested-500	16.60ms	10.00ms	±11.80ms	1	+0.0%

Text

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Text mount	0.20ms	0.00ms	±0.42ms	1	+0.0%
Text unmount	0.10ms	0.00ms	±0.32ms	0	+0.0%
Text rerender	0.30ms	0.00ms	±0.48ms	2	+0.0%
Text long-1000	0.10ms	0.00ms	±0.32ms	1	+0.0%
Text nested	0.20ms	0.00ms	±0.42ms	1	+0.0%
Text styled	0.10ms	0.00ms	±0.32ms	1	+0.0%
Text multiple-100	7.27ms	7.00ms	±1.71ms	1	+0.0%

SectionList.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
SectionList native mount	4.59ms	4.25ms	±0.83ms	1	-34.7%

FlatList.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
FlatList native mount	4.48ms	3.98ms	±1.43ms	1	-56.9%

TouchableHighlight.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableHighlight native mount	1.41ms	1.32ms	±0.24ms	1	-37.0%

TouchableOpacity.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TouchableOpacity native mount	1.64ms	1.57ms	±0.26ms	1	-50.1%

Pressable.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Pressable native mount	2.06ms	1.53ms	±1.06ms	1	-39.1%

ScrollView.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ScrollView native mount	3.24ms	3.12ms	±0.34ms	1	-22.9%

ActivityIndicator.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
ActivityIndicator native mount	1.33ms	1.29ms	±0.19ms	1	-48.2%

TextInput.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
TextInput native mount	1.98ms	1.97ms	±0.13ms	1	-51.8%

Switch.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Switch native mount	1.32ms	1.06ms	±0.74ms	1	-38.9%

Button.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Button native mount	1.82ms	1.74ms	±0.27ms	1	-33.0%

Modal.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Modal native mount	1.00ms	0.82ms	±0.66ms	1	-32.8%

Image.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Image native mount	1.76ms	1.66ms	±0.24ms	1	-26.5%

View.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
View native mount	0.94ms	0.92ms	±0.07ms	1	-35.4%

Text.native-perf-test.ts

Scenario	Mean	Median	StdDev	Renders	vs Baseline
Text native mount	1.18ms	1.14ms	±0.14ms	1	-34.4%

… vs18

This reverts commit 5f75dc0.

This reverts commit 22a4791.

… vs18

into vs18

GetJavaScriptFromServerAsync retuns bundle contents as hstring (16 bit) It then gets converted to an 8-bit string. This conversion drops bytes consideres "invalid". Those bytes are expected as part of the Hermes bundle header. Transmitting the bundle as an IBuffer preserves the original bytes and avoids the conversion issues.

into vs18

Copilot

Pull request overview

This PR updates React Native Windows tooling and native code paths to support Visual Studio 2026/MSVC 14.5 while preserving compatibility for coroutine-related code that no longer supports the older /await flow.

Changes:

Updates dependency and health-check metadata for Visual Studio 2026 and .NET 10.
Gates /await usage to older toolsets and adjusts coroutine handle usage.
Converts bundle/dev-server async loading helpers from std::future to WinRT async operations using IBuffer.

Reviewed changes

Copilot reviewed 21 out of 21 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
`vnext/Scripts/rnw-dependencies.ps1`	Updates VS/.NET dependency checks and install tags.
`packages/@react-native-windows/cli/src/commands/healthCheck/healthCheckList.ts`	Updates displayed health-check requirements.
`packages/@react-native-windows/cli/src/utils/vsInstalls.ts`	Expands VS version search range.
`vnext/PropertySheets/React.Cpp.props`	Gates `/await` by toolset version.
`vnext/Microsoft.ReactNative/Microsoft.ReactNative.vcxproj`	Gates `/await` by toolset version.
`vnext/Mso.UnitTests/Mso.UnitTests.vcxproj`	Gates `/await` by toolset version.
`vnext/Microsoft.ReactNative.IntegrationTests/Microsoft.ReactNative.IntegrationTests.vcxproj`	Gates `/await` by toolset version.
`vnext/Microsoft.ReactNative.Cxx.UnitTests/Microsoft.ReactNative.Cxx.UnitTests.vcxproj`	Gates `/await` by toolset version.
`vnext/Desktop.UnitTests/React.Windows.Desktop.UnitTests.vcxproj`	Gates `/await` by toolset version.
`vnext/Shared/Networking/WinRTWebSocketResource.h`	Switches coroutine handle namespace for newer MSVC.
`vnext/Shared/DevSupportManager.h`	Removes obsolete future include.
`vnext/Shared/DevSupportManager.cpp`	Migrates dev-server fetch/poll helpers to WinRT async operations.
`vnext/Microsoft.ReactNative/Utils/LocalBundleReader.h`	Updates bundle async API/member types to WinRT async buffers.
`vnext/Microsoft.ReactNative/Utils/LocalBundleReader.cpp`	Reads bundle contents through `IBuffer` and converts at boundaries.
`vnext/Microsoft.ReactNative.CsWinRT/Microsoft.ReactNative.CsWinRT.csproj`	Moves CsWinRT target framework to `net8.0`.
`vnext/Microsoft.ReactNative.CsWinRT/packages.lock.json`	Updates lockfile for new framework/dependencies.
`vnext/Microsoft.ReactNative.CsWinRT/packages.experimentalwinui3.lock.json`	Updates experimental lockfile for new framework/dependencies.
`vnext/Microsoft.ReactNative.NewArch.sln`	Updates solution metadata for VS 2026.
`vnext/Shared/Shared.vcxitems.filters`	Adds missing filter entry for `WebSocketResourceFactory.cpp`.
`change/*.json`	Adds prerelease change records.

  // RuntimeScheduler only handles std::exception or jsi::JSError
  catch (winrt::hresult_error const &e) {
-    throw std::exception(winrt::to_string(e.message()).c_str());
+    throw std::runtime_error(winrt::to_string(e.message()));


Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Upgrade to PowerShell 7 (#16075) * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Define installNuGetPackages task; Install pwsh 7.6.1 * Replace powershell.exe with pwsh.exe * Change files * CI: Ensure NuGet is availabe before `yarn install` * Add NuGetAuthenticate before yarn install * Do not download PowerShell on CI/CD environments * Fix just-task JS syntax * Add dotnet-tools manifest * Fix pwsh.exe tool path * Resolve dotnet-tools.json path * Use dotnet for `nuget locals` * Use PWSH in nuget-restore-task.js * Break dependency loop in just-task * Update other ADO tasks * Update @react-native-windows/automation * Rename findPwsh as findPowerShell * Drop powershell export from commandWithProgress * Change files * Add README for find-dotnet-tools * Add README to package.json * Adjust newline * Run task `installDotnetTools` only when not in CI * Install .NET tools in CI * Install .NET on prepare-js-env * Do not install .NET tools on CI * Quote powershell path * fix yarn lint * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Restore deleted lock files * Add missing dependency * Use -Command for compatible PWSH calls * Use -Command pwsh argument * Correct runPowerShellScriptFunction cmd escaping * Quote pwsh command in runPowerShellScriptFunction * Remove quotes * Quote remaining findPowerShell() calls for execSync * Add temporary diagnostic commands * Diagnostics * Diagnostics * Diagnostics * Add runPowerShellScriptFunction argument to delegate Appx-related commands to Windows PowerShell * Remove diagnostics steps * Use execFileSync instead of execSync in deploy.ts * Remove querystrings from FS paths * Suppress warning when using `-UseWindowsPowerShell` * Revert "Remove querystrings from FS paths" This reverts commit e1f3cfd. * Use pipe semantics for Get-AppxPackage in resolveAppName * Hard-fail if PowerShell 7 cannot be found. Do not fall back to Windows PowerShell (powershell.exe). PowerShell code may not be backwards compatible. * Improve missing pwsh.exe error message * Add package resolution pipeline test * UseWindowsPowerShell for package resolution test * Try to read package Microsoft.PrintDialog * Replace stderr redirection with -WarningAction * Replace stderr redirection with -WarningAction * Print sample app names on appWindow error * Add more diagnostics * Add missing -WarningAction SilentlyContinue * Revert "Add more diagnostics" This reverts commit 8c10bc4. * Revert "Print sample app names on appWindow error" This reverts commit 6e70148. * Remove CI probing tasks * Revert "Use pipe semantics for Get-AppxPackage in resolveAppName" This reverts commit 6c46c73. Co-authored-by: Copilot <copilot@github.com> * Remove unused escaping logic * Re-introduce deleted .lock.json --------- Co-authored-by: Copilot <copilot@github.com> * Fix PowerShell installation (#16164) * Defer findPowershell to layoutMSRNCxx * Change files * Upgrade to Visual Studio 2026 (#16170) * Update deps script. TODO: test * Upgrade rnw-deps to .NET 10 * Defer findPowershell to layoutMSRNCxx * Upgrade VS version to 18.6.1 * Drop /async in MSVC 14.5 * Replace std::future coroutines with WinRT types * clang format * Change files * Drop Windows10SDK.19041 * Change files * Set TargetFramework to net10.0-windows10.0.26100.0 * Use IAsyncOperation instead of out parameters * Install .NET 10 * Revert "Install .NET 10" This reverts commit 5f75dc0. * Revert "Set TargetFramework to net10.0-windows10.0.26100.0" This reverts commit 22a4791. * clang format * Upgrade CsWinRT.csproj to .NET 8 * Fix filters * Upgrade MSRN SLN to VS 18 * Revert parameter signature in LoadBundleAsync * Update CSWinRT lock * Allow all versions of VS 2026 * Use IBuffer instead of hstring as payload GetJavaScriptFromServerAsync retuns bundle contents as hstring (16 bit) It then gets converted to an 8-bit string. This conversion drops bytes consideres "invalid". Those bytes are expected as part of the Hermes bundle header. Transmitting the bundle as an IBuffer preserves the original bytes and avoids the conversion issues. * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Use WinRT exception types instead of std --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Upgrade to GoogleTest Adapter 1.8.1.8 (#16218) * Upgrade to GoogleTest adapter 1.8.1.8 * Change files * Update package lock files * Upgrade CI agents to Windows Server 2025 (#16208) * Use image rnw-img-vs2026-node24 * Update fork-sync/bin.js chmod * Upgrade to MSVC 14.5 * Drop -UseWindowsPowerShell fallback * Manually install yarn * Upgrade to .NET Hosting Bundle 10.0.8 * Change files * Fix change file * Add temp npm install yarn in templates * Test yarn location * update * update * TEMPORARILY revert agent image * Print yarn version in setup * Revert "TEMPORARILY revert agent image" This reverts commit 7c175e1. * update * update * update * Upgrade to msbuildVersion: 18.0 * Update Google test adapter location * Remove unused statement * Remove probing tasks * Upgrade to VSTest@3 * Upgrade more projects and scripts to VS 2026 * Explicitly set vstest.console location * Install midgard-yarn and verdaccio in-place * Fix yarn version * Update node-tests version * Use pwsh in Add-AppDevPackage * Make WindowsStoreAppUtils use PowerShell 7 * Update snapshot values * Update snapshot from failing x86 run * Use the --tag argument for verdaccio under Node 24 * Ignore/warn on unstable click test * Enable WMIC for RN Doctor * Disable RN doctor until it drops WMIC * Add rnw-img-vs2026-node24.json (#16224) * Update CI verdaccio to 6.7.2 (#16223) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 (#16225) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 * Change files * fix: WebSocket binaryType handling — stop unconditional Blob interception of binary messages (#16173) * blob support (#8) * blob support * pr comments * pr comments * Update DefaultBlobResource.cpp * Create react-native-windows-c3827e14-777b-475a-bf00-dc169bf89f3d.json * Add WebSocketArrayBuffer headless test (#9) * Add WebSocketArrayBuffer headless test * Skip test by default * pr comments * Update overrides (#10) --------- Co-authored-by: Julio César Rocha <JunielKatarn@users.noreply.github.com> * Upgrade projects to .NET 10 (#16226) * Upgrade projects to .NET 10 * Upgrade lock files * Change files * Fix missing conflicts * Update packages lock * Remove extra yarn step * Re-introduce JS Desktop integration tests (#16228) * Remove redundant condition Desktop.IntegrationTests.SkipRNTester Modify Desktop.IntegrationTests.Filter instead. * Re-introduce WebSocket and WebSocketBlob tests * Make WSBlob test compare contents * Rename method to RunTest * Handle initial message from default endpoint * Change files * Migrate XHR test * Port Fetch test * Port Blob test * WebSocketMultipleSendTest * Remove JS WebSocket servers * Skip in CI for now * Remove ban-types * Fix DynamicReaderWriterTests * Use WinRT coroutine types for UwpScriptStore * clang format --------- Co-authored-by: Copilot <copilot@github.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Gordon MacMaster <31481849+gmacmaster@users.noreply.github.com>

* Upgrade to PowerShell 7 (#16075) * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Define installNuGetPackages task; Install pwsh 7.6.1 * Replace powershell.exe with pwsh.exe * Change files * CI: Ensure NuGet is availabe before `yarn install` * Add NuGetAuthenticate before yarn install * Do not download PowerShell on CI/CD environments * Fix just-task JS syntax * Add dotnet-tools manifest * Fix pwsh.exe tool path * Resolve dotnet-tools.json path * Use dotnet for `nuget locals` * Use PWSH in nuget-restore-task.js * Break dependency loop in just-task * Update other ADO tasks * Update @react-native-windows/automation * Rename findPwsh as findPowerShell * Drop powershell export from commandWithProgress * Change files * Add README for find-dotnet-tools * Add README to package.json * Adjust newline * Run task `installDotnetTools` only when not in CI * Install .NET tools in CI * Install .NET on prepare-js-env * Do not install .NET tools on CI * Quote powershell path * fix yarn lint * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Restore deleted lock files * Add missing dependency * Use -Command for compatible PWSH calls * Use -Command pwsh argument * Correct runPowerShellScriptFunction cmd escaping * Quote pwsh command in runPowerShellScriptFunction * Remove quotes * Quote remaining findPowerShell() calls for execSync * Add temporary diagnostic commands * Diagnostics * Diagnostics * Diagnostics * Add runPowerShellScriptFunction argument to delegate Appx-related commands to Windows PowerShell * Remove diagnostics steps * Use execFileSync instead of execSync in deploy.ts * Remove querystrings from FS paths * Suppress warning when using `-UseWindowsPowerShell` * Revert "Remove querystrings from FS paths" This reverts commit e1f3cfd. * Use pipe semantics for Get-AppxPackage in resolveAppName * Hard-fail if PowerShell 7 cannot be found. Do not fall back to Windows PowerShell (powershell.exe). PowerShell code may not be backwards compatible. * Improve missing pwsh.exe error message * Add package resolution pipeline test * UseWindowsPowerShell for package resolution test * Try to read package Microsoft.PrintDialog * Replace stderr redirection with -WarningAction * Replace stderr redirection with -WarningAction * Print sample app names on appWindow error * Add more diagnostics * Add missing -WarningAction SilentlyContinue * Revert "Add more diagnostics" This reverts commit 8c10bc4. * Revert "Print sample app names on appWindow error" This reverts commit 6e70148. * Remove CI probing tasks * Revert "Use pipe semantics for Get-AppxPackage in resolveAppName" This reverts commit 6c46c73. Co-authored-by: Copilot <copilot@github.com> * Remove unused escaping logic * Re-introduce deleted .lock.json --------- Co-authored-by: Copilot <copilot@github.com> * Fix PowerShell installation (#16164) * Defer findPowershell to layoutMSRNCxx * Change files * Upgrade to Visual Studio 2026 (#16170) * Update deps script. TODO: test * Upgrade rnw-deps to .NET 10 * Defer findPowershell to layoutMSRNCxx * Upgrade VS version to 18.6.1 * Drop /async in MSVC 14.5 * Replace std::future coroutines with WinRT types * clang format * Change files * Drop Windows10SDK.19041 * Change files * Set TargetFramework to net10.0-windows10.0.26100.0 * Use IAsyncOperation instead of out parameters * Install .NET 10 * Revert "Install .NET 10" This reverts commit 5f75dc0. * Revert "Set TargetFramework to net10.0-windows10.0.26100.0" This reverts commit 22a4791. * clang format * Upgrade CsWinRT.csproj to .NET 8 * Fix filters * Upgrade MSRN SLN to VS 18 * Revert parameter signature in LoadBundleAsync * Update CSWinRT lock * Allow all versions of VS 2026 * Use IBuffer instead of hstring as payload GetJavaScriptFromServerAsync retuns bundle contents as hstring (16 bit) It then gets converted to an 8-bit string. This conversion drops bytes consideres "invalid". Those bytes are expected as part of the Hermes bundle header. Transmitting the bundle as an IBuffer preserves the original bytes and avoids the conversion issues. * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Use WinRT exception types instead of std --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Upgrade to GoogleTest Adapter 1.8.1.8 (#16218) * Upgrade to GoogleTest adapter 1.8.1.8 * Change files * Update package lock files * Upgrade CI agents to Windows Server 2025 (#16208) * Use image rnw-img-vs2026-node24 * Update fork-sync/bin.js chmod * Upgrade to MSVC 14.5 * Drop -UseWindowsPowerShell fallback * Manually install yarn * Upgrade to .NET Hosting Bundle 10.0.8 * Change files * Fix change file * Add temp npm install yarn in templates * Test yarn location * update * update * TEMPORARILY revert agent image * Print yarn version in setup * Revert "TEMPORARILY revert agent image" This reverts commit 7c175e1. * update * update * update * Upgrade to msbuildVersion: 18.0 * Update Google test adapter location * Remove unused statement * Remove probing tasks * Upgrade to VSTest@3 * Upgrade more projects and scripts to VS 2026 * Explicitly set vstest.console location * Install midgard-yarn and verdaccio in-place * Fix yarn version * Update node-tests version * Use pwsh in Add-AppDevPackage * Make WindowsStoreAppUtils use PowerShell 7 * Update snapshot values * Update snapshot from failing x86 run * Use the --tag argument for verdaccio under Node 24 * Ignore/warn on unstable click test * Enable WMIC for RN Doctor * Disable RN doctor until it drops WMIC * Add rnw-img-vs2026-node24.json (#16224) * Update CI verdaccio to 6.7.2 (#16223) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 (#16225) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 * Change files * fix: WebSocket binaryType handling — stop unconditional Blob interception of binary messages (#16173) * blob support (#8) * blob support * pr comments * pr comments * Update DefaultBlobResource.cpp * Create react-native-windows-c3827e14-777b-475a-bf00-dc169bf89f3d.json * Add WebSocketArrayBuffer headless test (#9) * Add WebSocketArrayBuffer headless test * Skip test by default * pr comments * Update overrides (#10) --------- Co-authored-by: Julio César Rocha <JunielKatarn@users.noreply.github.com> * Upgrade projects to .NET 10 (#16226) * Upgrade projects to .NET 10 * Upgrade lock files * Change files * Update yarn lock * Re-introduce JS Desktop integration tests (#16228) * Remove redundant condition Desktop.IntegrationTests.SkipRNTester Modify Desktop.IntegrationTests.Filter instead. * Re-introduce WebSocket and WebSocketBlob tests * Make WSBlob test compare contents * Rename method to RunTest * Handle initial message from default endpoint * Change files * Migrate XHR test * Port Fetch test * Port Blob test * WebSocketMultipleSendTest * Remove JS WebSocket servers * Skip in CI for now * Update yarn lock * Add missing find-dotnet-tools * Fix DynamicReaderWriterTests * Update yarn lock * Use WinRT coroutine types for UwpScriptStore * clang format --------- Co-authored-by: Copilot <copilot@github.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Gordon MacMaster <31481849+gmacmaster@users.noreply.github.com>

* Upgrade to PowerShell 7 (#16075) * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Define installNuGetPackages task; Install pwsh 7.6.1 * Replace powershell.exe with pwsh.exe * Change files * CI: Ensure NuGet is availabe before `yarn install` * Add NuGetAuthenticate before yarn install * Do not download PowerShell on CI/CD environments * Fix just-task JS syntax * Add dotnet-tools manifest * Fix pwsh.exe tool path * Resolve dotnet-tools.json path * Use dotnet for `nuget locals` * Use PWSH in nuget-restore-task.js * Break dependency loop in just-task * Update other ADO tasks * Update @react-native-windows/automation * Rename findPwsh as findPowerShell * Drop powershell export from commandWithProgress * Change files * Add README for find-dotnet-tools * Add README to package.json * Adjust newline * Run task `installDotnetTools` only when not in CI * Install .NET tools in CI * Install .NET on prepare-js-env * Do not install .NET tools on CI * Quote powershell path * fix yarn lint * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Restore deleted lock files * Add missing dependency * Use -Command for compatible PWSH calls * Use -Command pwsh argument * Correct runPowerShellScriptFunction cmd escaping * Quote pwsh command in runPowerShellScriptFunction * Remove quotes * Quote remaining findPowerShell() calls for execSync * Add temporary diagnostic commands * Diagnostics * Diagnostics * Diagnostics * Add runPowerShellScriptFunction argument to delegate Appx-related commands to Windows PowerShell * Remove diagnostics steps * Use execFileSync instead of execSync in deploy.ts * Remove querystrings from FS paths * Suppress warning when using `-UseWindowsPowerShell` * Revert "Remove querystrings from FS paths" This reverts commit e1f3cfd. * Use pipe semantics for Get-AppxPackage in resolveAppName * Hard-fail if PowerShell 7 cannot be found. Do not fall back to Windows PowerShell (powershell.exe). PowerShell code may not be backwards compatible. * Improve missing pwsh.exe error message * Add package resolution pipeline test * UseWindowsPowerShell for package resolution test * Try to read package Microsoft.PrintDialog * Replace stderr redirection with -WarningAction * Replace stderr redirection with -WarningAction * Print sample app names on appWindow error * Add more diagnostics * Add missing -WarningAction SilentlyContinue * Revert "Add more diagnostics" This reverts commit 8c10bc4. * Revert "Print sample app names on appWindow error" This reverts commit 6e70148. * Remove CI probing tasks * Revert "Use pipe semantics for Get-AppxPackage in resolveAppName" This reverts commit 6c46c73. Co-authored-by: Copilot <copilot@github.com> * Remove unused escaping logic * Re-introduce deleted .lock.json --------- Co-authored-by: Copilot <copilot@github.com> * Fix PowerShell installation (#16164) * Defer findPowershell to layoutMSRNCxx * Change files * Upgrade to Visual Studio 2026 (#16170) * Update deps script. TODO: test * Upgrade rnw-deps to .NET 10 * Defer findPowershell to layoutMSRNCxx * Upgrade VS version to 18.6.1 * Drop /async in MSVC 14.5 * Replace std::future coroutines with WinRT types * clang format * Change files * Drop Windows10SDK.19041 * Change files * Set TargetFramework to net10.0-windows10.0.26100.0 * Use IAsyncOperation instead of out parameters * Install .NET 10 * Revert "Install .NET 10" This reverts commit 5f75dc0. * Revert "Set TargetFramework to net10.0-windows10.0.26100.0" This reverts commit 22a4791. * clang format * Upgrade CsWinRT.csproj to .NET 8 * Fix filters * Upgrade MSRN SLN to VS 18 * Revert parameter signature in LoadBundleAsync * Update CSWinRT lock * Allow all versions of VS 2026 * Use IBuffer instead of hstring as payload GetJavaScriptFromServerAsync retuns bundle contents as hstring (16 bit) It then gets converted to an 8-bit string. This conversion drops bytes consideres "invalid". Those bytes are expected as part of the Hermes bundle header. Transmitting the bundle as an IBuffer preserves the original bytes and avoids the conversion issues. * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Use WinRT exception types instead of std --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Upgrade to GoogleTest Adapter 1.8.1.8 (#16218) * Upgrade to GoogleTest adapter 1.8.1.8 * Change files * Update package lock files * Upgrade CI agents to Windows Server 2025 (#16208) * Use image rnw-img-vs2026-node24 * Update fork-sync/bin.js chmod * Upgrade to MSVC 14.5 * Drop -UseWindowsPowerShell fallback * Manually install yarn * Upgrade to .NET Hosting Bundle 10.0.8 * Change files * Fix change file * Add temp npm install yarn in templates * Test yarn location * update * update * TEMPORARILY revert agent image * Print yarn version in setup * Revert "TEMPORARILY revert agent image" This reverts commit 7c175e1. * update * update * update * Upgrade to msbuildVersion: 18.0 * Update Google test adapter location * Remove unused statement * Remove probing tasks * Upgrade to VSTest@3 * Upgrade more projects and scripts to VS 2026 * Explicitly set vstest.console location * Install midgard-yarn and verdaccio in-place * Fix yarn version * Update node-tests version * Use pwsh in Add-AppDevPackage * Make WindowsStoreAppUtils use PowerShell 7 * Update snapshot values * Update snapshot from failing x86 run * Use the --tag argument for verdaccio under Node 24 * Ignore/warn on unstable click test * Enable WMIC for RN Doctor * Disable RN doctor until it drops WMIC * Add rnw-img-vs2026-node24.json (#16224) * Update CI verdaccio to 6.7.2 (#16223) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 (#16225) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 * Change files * fix: WebSocket binaryType handling — stop unconditional Blob interception of binary messages (#16173) * blob support (#8) * blob support * pr comments * pr comments * Update DefaultBlobResource.cpp * Create react-native-windows-c3827e14-777b-475a-bf00-dc169bf89f3d.json * Add WebSocketArrayBuffer headless test (#9) * Add WebSocketArrayBuffer headless test * Skip test by default * pr comments * Update overrides (#10) --------- Co-authored-by: Julio César Rocha <JunielKatarn@users.noreply.github.com> * Upgrade projects to .NET 10 (#16226) * Upgrade projects to .NET 10 * Upgrade lock files * Change files * Remove nuget restore task * Re-introduce JS Desktop integration tests (#16228) * Remove redundant condition Desktop.IntegrationTests.SkipRNTester Modify Desktop.IntegrationTests.Filter instead. * Re-introduce WebSocket and WebSocketBlob tests * Make WSBlob test compare contents * Rename method to RunTest * Handle initial message from default endpoint * Change files * Migrate XHR test * Port Fetch test * Port Blob test * WebSocketMultipleSendTest * Remove JS WebSocket servers * Skip in CI for now * Add missing find-dotnet-tool entries * Update package locks * Fix DynamicReaderWriterTests * Fix HermesSamplingProfiler for MSVC 14.5 * Update package locks * Use WinRT coroutine types for UwpScriptStore --------- Co-authored-by: Copilot <copilot@github.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Gordon MacMaster <31481849+gmacmaster@users.noreply.github.com>

* Upgrade to PowerShell 7 (#16075) * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Define installNuGetPackages task; Install pwsh 7.6.1 * Replace powershell.exe with pwsh.exe * Change files * CI: Ensure NuGet is availabe before `yarn install` * Add NuGetAuthenticate before yarn install * Do not download PowerShell on CI/CD environments * Fix just-task JS syntax * Add dotnet-tools manifest * Fix pwsh.exe tool path * Resolve dotnet-tools.json path * Use dotnet for `nuget locals` * Use PWSH in nuget-restore-task.js * Break dependency loop in just-task * Update other ADO tasks * Update @react-native-windows/automation * Rename findPwsh as findPowerShell * Drop powershell export from commandWithProgress * Change files * Add README for find-dotnet-tools * Add README to package.json * Adjust newline * Run task `installDotnetTools` only when not in CI * Install .NET tools in CI * Install .NET on prepare-js-env * Do not install .NET tools on CI * Quote powershell path * fix yarn lint * Ran NuGetRestoreForceEvaluateAllSolutions.ps1 * Restore deleted lock files * Add missing dependency * Use -Command for compatible PWSH calls * Use -Command pwsh argument * Correct runPowerShellScriptFunction cmd escaping * Quote pwsh command in runPowerShellScriptFunction * Remove quotes * Quote remaining findPowerShell() calls for execSync * Add temporary diagnostic commands * Diagnostics * Diagnostics * Diagnostics * Add runPowerShellScriptFunction argument to delegate Appx-related commands to Windows PowerShell * Remove diagnostics steps * Use execFileSync instead of execSync in deploy.ts * Remove querystrings from FS paths * Suppress warning when using `-UseWindowsPowerShell` * Revert "Remove querystrings from FS paths" This reverts commit e1f3cfd. * Use pipe semantics for Get-AppxPackage in resolveAppName * Hard-fail if PowerShell 7 cannot be found. Do not fall back to Windows PowerShell (powershell.exe). PowerShell code may not be backwards compatible. * Improve missing pwsh.exe error message * Add package resolution pipeline test * UseWindowsPowerShell for package resolution test * Try to read package Microsoft.PrintDialog * Replace stderr redirection with -WarningAction * Replace stderr redirection with -WarningAction * Print sample app names on appWindow error * Add more diagnostics * Add missing -WarningAction SilentlyContinue * Revert "Add more diagnostics" This reverts commit 8c10bc4. * Revert "Print sample app names on appWindow error" This reverts commit 6e70148. * Remove CI probing tasks * Revert "Use pipe semantics for Get-AppxPackage in resolveAppName" This reverts commit 6c46c73. Co-authored-by: Copilot <copilot@github.com> * Remove unused escaping logic * Re-introduce deleted .lock.json --------- Co-authored-by: Copilot <copilot@github.com> * Fix PowerShell installation (#16164) * Defer findPowershell to layoutMSRNCxx * Change files * Upgrade to Visual Studio 2026 (#16170) * Update deps script. TODO: test * Upgrade rnw-deps to .NET 10 * Defer findPowershell to layoutMSRNCxx * Upgrade VS version to 18.6.1 * Drop /async in MSVC 14.5 * Replace std::future coroutines with WinRT types * clang format * Change files * Drop Windows10SDK.19041 * Change files * Set TargetFramework to net10.0-windows10.0.26100.0 * Use IAsyncOperation instead of out parameters * Install .NET 10 * Revert "Install .NET 10" This reverts commit 5f75dc0. * Revert "Set TargetFramework to net10.0-windows10.0.26100.0" This reverts commit 22a4791. * clang format * Upgrade CsWinRT.csproj to .NET 8 * Fix filters * Upgrade MSRN SLN to VS 18 * Revert parameter signature in LoadBundleAsync * Update CSWinRT lock * Allow all versions of VS 2026 * Use IBuffer instead of hstring as payload GetJavaScriptFromServerAsync retuns bundle contents as hstring (16 bit) It then gets converted to an 8-bit string. This conversion drops bytes consideres "invalid". Those bytes are expected as part of the Hermes bundle header. Transmitting the bundle as an IBuffer preserves the original bytes and avoids the conversion issues. * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Use WinRT exception types instead of std --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Upgrade to GoogleTest Adapter 1.8.1.8 (#16218) * Upgrade to GoogleTest adapter 1.8.1.8 * Change files * Update package lock files * Upgrade CI agents to Windows Server 2025 (#16208) * Use image rnw-img-vs2026-node24 * Update fork-sync/bin.js chmod * Upgrade to MSVC 14.5 * Drop -UseWindowsPowerShell fallback * Manually install yarn * Upgrade to .NET Hosting Bundle 10.0.8 * Change files * Fix change file * Add temp npm install yarn in templates * Test yarn location * update * update * TEMPORARILY revert agent image * Print yarn version in setup * Revert "TEMPORARILY revert agent image" This reverts commit 7c175e1. * update * update * update * Upgrade to msbuildVersion: 18.0 * Update Google test adapter location * Remove unused statement * Remove probing tasks * Upgrade to VSTest@3 * Upgrade more projects and scripts to VS 2026 * Explicitly set vstest.console location * Install midgard-yarn and verdaccio in-place * Fix yarn version * Update node-tests version * Use pwsh in Add-AppDevPackage * Make WindowsStoreAppUtils use PowerShell 7 * Update snapshot values * Update snapshot from failing x86 run * Use the --tag argument for verdaccio under Node 24 * Ignore/warn on unstable click test * Enable WMIC for RN Doctor * Disable RN doctor until it drops WMIC * Add rnw-img-vs2026-node24.json (#16224) * Update CI verdaccio to 6.7.2 (#16223) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 (#16225) * Upgrade to Microsoft.WindowsAppSDK 1.8.260508005 * Change files * fix: WebSocket binaryType handling — stop unconditional Blob interception of binary messages (#16173) * blob support (#8) * blob support * pr comments * pr comments * Update DefaultBlobResource.cpp * Create react-native-windows-c3827e14-777b-475a-bf00-dc169bf89f3d.json * Add WebSocketArrayBuffer headless test (#9) * Add WebSocketArrayBuffer headless test * Skip test by default * pr comments * Update overrides (#10) --------- Co-authored-by: Julio César Rocha <JunielKatarn@users.noreply.github.com> * Upgrade projects to .NET 10 (#16226) * Upgrade projects to .NET 10 * Upgrade lock files * Change files * Update yarn lock * Re-introduce JS Desktop integration tests (#16228) * Remove redundant condition Desktop.IntegrationTests.SkipRNTester Modify Desktop.IntegrationTests.Filter instead. * Re-introduce WebSocket and WebSocketBlob tests * Make WSBlob test compare contents * Rename method to RunTest * Handle initial message from default endpoint * Change files * Migrate XHR test * Port Fetch test * Port Blob test * WebSocketMultipleSendTest * Remove JS WebSocket servers * Skip in CI for now * Update yarn lock * Remove ban-types * Fix DynamicReaderWriterTests * Use WinRT coroutine types for UwpScriptStore * clang format * yarn lint --------- Co-authored-by: Copilot <copilot@github.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Gordon MacMaster <31481849+gmacmaster@users.noreply.github.com>

Julio César Rocha (JunielKatarn) added 7 commits May 19, 2026 19:46

Update deps script. TODO: test

b3d694d

Upgrade rnw-deps to .NET 10

cbd83c4

Defer findPowershell to layoutMSRNCxx

d8f3b11

Upgrade VS version to 18.6.1

0965aa3

Merge branch 'main' of github.com:microsoft/react-native-windows into…

1c486a3

… vs18

Drop /async in MSVC 14.5

579a76f

Replace std::future coroutines with WinRT types

ed2d572

Julio César Rocha (JunielKatarn) requested review from a team as code owners May 21, 2026 01:44

Julio César Rocha (JunielKatarn) added 2 commits May 20, 2026 18:49

clang format

bc0863a

Change files

3fa3412

Vladimir Morozov (vmoroz) reviewed May 21, 2026

View reviewed changes

Comment thread vnext/Microsoft.ReactNative/Utils/LocalBundleReader.cpp Outdated

Vladimir Morozov (vmoroz) reviewed May 21, 2026

View reviewed changes

Comment thread vnext/Shared/DevSupportManager.cpp Outdated

Julio César Rocha (JunielKatarn) added 14 commits May 21, 2026 00:30

Drop Windows10SDK.19041

34c4be4

Change files

01b54cf

Merge branch 'main' of github.com:microsoft/react-native-windows into…

bb23f18

… vs18

Set TargetFramework to net10.0-windows10.0.26100.0

22a4791

Use IAsyncOperation instead of out parameters

1c35a38

Install .NET 10

5f75dc0

Revert "Install .NET 10"

b5bc4a3

This reverts commit 5f75dc0.

Revert "Set TargetFramework to net10.0-windows10.0.26100.0"

f2880e4

This reverts commit 22a4791.

clang format

f48bc78

Upgrade CsWinRT.csproj to .NET 8

890c663

Fix filters

a9be72c

Upgrade MSRN SLN to VS 18

bc55386

Revert parameter signature in LoadBundleAsync

baefe64

Merge branch 'main' of github.com:microsoft/react-native-windows into…

ae11286

… vs18

Julio César Rocha (JunielKatarn) requested a review from Vladimir Morozov (vmoroz) May 23, 2026 05:53

Julio César Rocha (JunielKatarn) enabled auto-merge (squash) May 23, 2026 05:54

Julio César Rocha (JunielKatarn) added 5 commits May 22, 2026 23:10

Update CSWinRT lock

5f6b86a

Allow all versions of VS 2026

5ff350f

Merge branch 'main' of https://github.com/microsoft/react-native-windows

ed8b162

into vs18

Merge branch 'main' of https://github.com/microsoft/react-native-windows

0c9e5e7

into vs18

Julio César Rocha (JunielKatarn) requested a review from Copilot May 27, 2026 22:39

Copilot started reviewing on behalf of Julio César Rocha (JunielKatarn) May 27, 2026 22:39 View session

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Vladimir Morozov (vmoroz) approved these changes May 27, 2026

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This was referenced May 28, 2026

Fix error message loss in IAsyncOperation by replacing std::runtime_error with winrt::hresult_error #16192

Closed

Preserve WinRT async error details in LocalBundleReader #16193

Closed

Use WinRT exception types instead of std

0e162db

Julio César Rocha (JunielKatarn) merged commit b5ff578 into microsoft:main May 28, 2026
33 checks passed

Julio César Rocha (JunielKatarn) deleted the vs18 branch May 28, 2026 02:45

Julio César Rocha (JunielKatarn) mentioned this pull request May 29, 2026

Missing Visual Studio 2026 support #15399

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Julio César Rocha (JunielKatarn) commented May 21, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Description

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Microsoft Reviewers: Open in CodeFlow

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github-actions Bot commented May 21, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Performance Test Results

✅ Passed

SectionList

FlatList

TouchableOpacity

ScrollView

TouchableHighlight

Pressable

Modal

Image

ActivityIndicator

Switch

Button

TextInput

View

Text

SectionList.native-perf-test.ts

FlatList.native-perf-test.ts

TouchableHighlight.native-perf-test.ts

TouchableOpacity.native-perf-test.ts

Pressable.native-perf-test.ts

ScrollView.native-perf-test.ts

ActivityIndicator.native-perf-test.ts

TextInput.native-perf-test.ts

Switch.native-perf-test.ts

Button.native-perf-test.ts

Modal.native-perf-test.ts

Image.native-perf-test.ts

View.native-perf-test.ts

Text.native-perf-test.ts

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Julio César Rocha (JunielKatarn) commented May 21, 2026 •

edited

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github-actions Bot commented May 21, 2026 •

edited

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