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Upgrade to Visual Studio 2026#16170

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JunielKatarn wants to merge 24 commits into
microsoft:mainfrom
jurocha-ms:vs18
Open

Upgrade to Visual Studio 2026#16170
JunielKatarn wants to merge 24 commits into
microsoft:mainfrom
jurocha-ms:vs18

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@JunielKatarn
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@JunielKatarn JunielKatarn commented May 21, 2026

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.

Microsoft Reviewers: Open in CodeFlow

@JunielKatarn JunielKatarn requested review from a team as code owners May 21, 2026 01:44
Comment thread vnext/Microsoft.ReactNative/Utils/LocalBundleReader.cpp Outdated
Comment thread vnext/Shared/DevSupportManager.cpp Outdated
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github-actions Bot commented May 21, 2026

Performance Test Results

Branch: vs18
Commit: 879a986d
Time: 2026-05-23T06:39:17.746Z
Tests: 147/161 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 ±1.89ms 1 -20.0%
SectionList unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
SectionList rerender 11.50ms 11.00ms ±3.03ms 2 +4.8%
SectionList with-3-sections-15-items 6.30ms 6.00ms ±2.36ms 1 +9.1%
SectionList with-5-sections-50-items 5.80ms 5.00ms ±1.14ms 1 -16.7%
SectionList with-10-sections-200-items 5.20ms 5.00ms ±1.23ms 1 -9.1%
SectionList with-20-sections-200-items 5.10ms 5.00ms ±2.47ms 1 +0.0%
SectionList with-section-separator 1.80ms 2.00ms ±0.63ms 1 +0.0%
SectionList with-item-separator 2.50ms 2.50ms ±0.85ms 1 +25.0%
SectionList with-header-footer 2.50ms 2.00ms ±1.78ms 1 +0.0%
SectionList with-section-footer 1.90ms 2.00ms ±0.74ms 1 +0.0%
SectionList with-sticky-section-headers 2.60ms 2.00ms ±2.76ms 1 +0.0%
SectionList with-empty-list 0.40ms 0.00ms ±0.52ms 1 -100.0%
SectionList with-50-sections-1000-items 1.40ms 1.00ms ±0.52ms 1 -50.0%

FlatList

Scenario Mean Median StdDev Renders vs Baseline
FlatList mount 4.10ms 4.00ms ±1.20ms 1 +0.0%
FlatList unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
FlatList rerender 9.10ms 9.00ms ±1.29ms 2 +0.0%
FlatList with-10-items 4.10ms 4.00ms ±0.74ms 1 +0.0%
FlatList with-100-items 4.70ms 4.50ms ±1.16ms 1 -10.0%
FlatList with-500-items 5.30ms 4.50ms ±1.95ms 1 +12.5%
FlatList with-1000-items 4.70ms 4.00ms ±1.06ms 1 +0.0%
FlatList horizontal 4.90ms 4.50ms ±2.85ms 1 -10.0%
FlatList with-separator 1.60ms 1.50ms ±0.70ms 1 -25.0%
FlatList with-header-footer 1.70ms 2.00ms ±0.67ms 1 +0.0%
FlatList with-empty-list 1.00ms 0.50ms ±1.83ms 1 +0.0%
FlatList with-get-item-layout 1.40ms 1.00ms ±0.52ms 1 +0.0%
FlatList inverted 1.40ms 1.00ms ±0.52ms 1 -33.3%
FlatList with-num-columns 3.40ms 3.00ms ±2.41ms 1 +0.0%

TouchableOpacity

Scenario Mean Median StdDev Renders vs Baseline
TouchableOpacity mount 1.40ms 1.00ms ±1.26ms 1 +0.0%
TouchableOpacity unmount 0.20ms 0.00ms ±0.42ms 0 +0.0%
TouchableOpacity rerender 1.20ms 1.00ms ±0.42ms 2 +0.0%
TouchableOpacity custom-active-opacity 0.70ms 1.00ms ±0.48ms 1 +0.0%
TouchableOpacity disabled 0.70ms 1.00ms ±0.48ms 1 +0.0%
TouchableOpacity with-all-handlers 0.70ms 1.00ms ±0.48ms 1 +0.0%
TouchableOpacity with-hit-slop 0.90ms 1.00ms ±0.57ms 1 +0.0%
TouchableOpacity with-delay 0.90ms 1.00ms ±0.32ms 1 +0.0%
TouchableOpacity nested 1.40ms 1.00ms ±0.52ms 1 +0.0%
TouchableOpacity multiple-10 6.33ms 6.00ms ±1.84ms 1 +0.0%
TouchableOpacity multiple-50 30.07ms 27.00ms ±11.96ms 1 -6.9%
TouchableOpacity multiple-100 40.40ms 44.00ms ±9.04ms 1 -12.0%

ScrollView

Scenario Mean Median StdDev Renders vs Baseline
ScrollView mount 0.40ms 0.00ms ±0.52ms 1 +0.0%
ScrollView unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
ScrollView rerender 0.50ms 0.50ms ±0.53ms 2 -50.0%
ScrollView children-20 3.73ms 4.00ms ±0.80ms 1 +0.0%
ScrollView children-100 17.20ms 16.00ms ±3.69ms 1 +0.0%
ScrollView horizontal 3.10ms 3.00ms ±0.57ms 1 -25.0%
ScrollView sticky-headers 2.80ms 3.00ms ±1.03ms 1 +0.0%
ScrollView scroll-indicators 0.80ms 1.00ms ±0.42ms 1 +0.0%
ScrollView nested 1.70ms 1.50ms ±0.95ms 1 +50.0%
ScrollView content-container-style 0.70ms 1.00ms ±0.48ms 1 +0.0%
ScrollView children-500 20.73ms 20.00ms ±4.17ms 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 0.50ms 0.50ms ±0.53ms 2 -50.0%
TouchableHighlight custom-underlay-color 0.60ms 1.00ms ±0.52ms 1 +Infinity%
TouchableHighlight custom-active-opacity 0.80ms 0.00ms ±1.55ms 1 +0.0%
TouchableHighlight disabled 0.30ms 0.00ms ±0.48ms 1 +0.0%
TouchableHighlight with-all-handlers 0.30ms 0.00ms ±0.48ms 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 2.10ms 2.00ms ±0.57ms 1 -33.3%
TouchableHighlight multiple-touchables-50 13.10ms 12.50ms ±2.02ms 1 +0.0%
TouchableHighlight multiple-touchables-100 23.80ms 22.00ms ±5.63ms 1 -2.2%

Pressable

Scenario Mean Median StdDev Renders vs Baseline
Pressable mount 0.40ms 0.00ms ±0.52ms 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 0.30ms 0.00ms ±0.48ms 1 +0.0%
Pressable with-style-function 0.20ms 0.00ms ±0.42ms 1 +0.0%
Pressable disabled 0.40ms 0.00ms ±0.52ms 1 +0.0%
Pressable with-hit-slop 0.30ms 0.00ms ±0.48ms 1 +0.0%
Pressable nested 0.50ms 0.50ms ±0.53ms 1 -50.0%
Pressable multiple-10 2.87ms 3.00ms ±1.06ms 1 +0.0%
Pressable multiple-50 16.60ms 16.00ms ±2.82ms 1 +14.3%
Pressable multiple-100 17.47ms 13.00ms ±10.35ms 1 +8.3%

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 0.30ms 0.00ms ±0.48ms 2 +0.0%
Modal slide-animation 0.30ms 0.00ms ±0.48ms 1 +0.0%
Modal fade-animation 0.30ms 0.00ms ±0.48ms 1 +0.0%
Modal transparent 0.10ms 0.00ms ±0.32ms 1 +0.0%
Modal with-callbacks 0.30ms 0.00ms ±0.48ms 1 +0.0%
Modal rich-content 1.30ms 1.00ms ±0.48ms 1 -50.0%
Modal with-accessibility 0.30ms 0.00ms ±0.48ms 1 +0.0%

Image

Scenario Mean Median StdDev Renders vs Baseline
Image mount 0.10ms 0.00ms ±0.32ms 1 +0.0%
Image unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
Image rerender 0.10ms 0.00ms ±0.32ms 2 +0.0%
Image with-resize-mode 0.20ms 0.00ms ±0.42ms 1 +0.0%
Image with-border-radius 0.10ms 0.00ms ±0.32ms 1 +0.0%
Image with-tint-color 0.10ms 0.00ms ±0.32ms 1 +0.0%
Image with-blur-radius 0.00ms 0.00ms ±0.00ms 1 +0.0%
Image with-accessibility 0.20ms 0.00ms ±0.42ms 1 +0.0%
Image multiple-10 1.27ms 1.00ms ±1.62ms 1 +0.0%
Image multiple-50 3.67ms 4.00ms ±0.72ms 1 +33.3%
Image multiple-100 8.60ms 7.00ms ±2.35ms 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 0.30ms 0.00ms ±0.48ms 2 +0.0%
ActivityIndicator size-large 0.30ms 0.00ms ±0.48ms 1 +0.0%
ActivityIndicator size-small 0.20ms 0.00ms ±0.42ms 1 +0.0%
ActivityIndicator with-color 0.20ms 0.00ms ±0.42ms 1 +0.0%
ActivityIndicator not-animating 0.00ms 0.00ms ±0.00ms 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 3.27ms 3.00ms ±0.70ms 1 -25.0%
ActivityIndicator multiple-100 8.67ms 8.00ms ±2.13ms 1 +14.3%

Switch

Scenario Mean Median StdDev Renders vs Baseline
Switch mount 0.40ms 0.00ms ±0.52ms 1 +0.0%
Switch unmount 0.00ms 0.00ms ±0.00ms 0 +0.0%
Switch rerender 0.10ms 0.00ms ±0.32ms 2 -100.0%
Switch value-true 0.20ms 0.00ms ±0.42ms 1 +0.0%
Switch disabled 0.20ms 0.00ms ±0.42ms 1 +0.0%
Switch custom-colors 0.20ms 0.00ms ±0.42ms 1 +0.0%
Switch on-value-change 0.20ms 0.00ms ±0.42ms 1 +0.0%
Switch with-accessibility 0.10ms 0.00ms ±0.32ms 1 +0.0%
Switch multiple-10 1.80ms 2.00ms ±0.41ms 1 +0.0%
Switch multiple-50 9.00ms 8.00ms ±3.46ms 1 -11.1%
Switch multiple-100 18.93ms 20.00ms ±4.25ms 1 +25.0%

Button

Scenario Mean Median StdDev Renders vs Baseline
Button mount 0.50ms 0.50ms ±0.53ms 1 -50.0%
Button unmount 0.00ms 0.00ms ±0.00ms 0 +0.0%
Button rerender 1.00ms 1.00ms ±0.47ms 2 +0.0%
Button disabled 0.60ms 1.00ms ±0.52ms 1 +0.0%
Button with-color 0.90ms 1.00ms ±0.32ms 1 +100.0%
Button with-accessibility 0.70ms 1.00ms ±0.48ms 1 +0.0%
Button multiple-10 6.27ms 7.00ms ±1.83ms 1 +16.7%
Button multiple-50 23.73ms 24.00ms ±11.82ms 1 -11.1%
Button multiple-100 17.33ms 16.00ms ±3.42ms 1 -15.8%

TextInput

Scenario Mean Median StdDev Renders vs Baseline
TextInput mount 0.30ms 0.00ms ±0.48ms 1 +0.0%
TextInput unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
TextInput rerender 0.60ms 0.00ms ±0.97ms 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 9.53ms 10.00ms ±2.00ms 1 +42.9%

View

Scenario Mean Median StdDev Renders vs Baseline
View mount 0.60ms 0.00ms ±1.26ms 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 4.27ms 4.00ms ±0.80ms 1 +33.3%
View nested-100 8.20ms 8.00ms ±1.70ms 1 +14.3%
View shadow 0.20ms 0.00ms ±0.42ms 1 +0.0%
View border-radius 0.20ms 0.00ms ±0.42ms 1 +0.0%
View nested-500 18.00ms 13.00ms ±11.82ms 1 +30.0%

Text

Scenario Mean Median StdDev Renders vs Baseline
Text mount 0.30ms 0.00ms ±0.48ms 1 +0.0%
Text unmount 0.00ms 0.00ms ±0.00ms 0 +0.0%
Text rerender 0.20ms 0.00ms ±0.42ms 2 +0.0%
Text long-1000 0.20ms 0.00ms ±0.42ms 1 +0.0%
Text nested 0.20ms 0.00ms ±0.42ms 1 +0.0%
Text styled 0.20ms 0.00ms ±0.42ms 1 +0.0%
Text multiple-100 8.60ms 7.00ms ±2.44ms 1 +0.0%

SectionList.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

FlatList.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

TouchableHighlight.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

TouchableOpacity.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

Pressable.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

ScrollView.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

ActivityIndicator.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

TextInput.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

Switch.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

Button.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

Modal.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

Image.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

View.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

Text.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline

@JunielKatarn JunielKatarn requested a review from vmoroz May 23, 2026 05:53
@JunielKatarn JunielKatarn enabled auto-merge (squash) May 23, 2026 05:54
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