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Upgrade to Visual Studio 2026#16170

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JunielKatarn wants to merge 11 commits into
microsoft:mainfrom
jurocha-ms:vs18
Open

Upgrade to Visual Studio 2026#16170
JunielKatarn wants to merge 11 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
std::future<std::string> LocalBundleReader::LoadBundleAsync(const std::wstring bundleUri) {
winrt::Windows::Foundation::IAsyncAction LocalBundleReader::LoadBundleAsync(
const std::wstring bundleUri,
std::string &result) {
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It does not look safe if someone would want to use it without thread lock. If we want to keep this function async, then it is better to use IAsyncOperation with hstring.

std::future<std::pair<std::string, bool>> GetJavaScriptFromServerAsync(const std::string &url) {
winrt::Windows::Foundation::IAsyncAction GetJavaScriptFromServerAsync(
const std::string &url,
std::pair<std::string, bool> &result) {
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The same here. We must not use the out parameters with async functions.

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github-actions Bot commented May 21, 2026

Performance Test Results

Branch: vs18
Commit: c0f22b84
Time: 2026-05-21T08:09:54.291Z
Tests: 161/161 passed

✅ Passed

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

SectionList

Scenario Mean Median StdDev Renders vs Baseline
SectionList mount 4.30ms 4.00ms ±0.48ms 1 -20.0%
SectionList unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
SectionList rerender 10.80ms 10.50ms ±2.20ms 2 +0.0%
SectionList with-3-sections-15-items 5.80ms 6.00ms ±1.14ms 1 +9.1%
SectionList with-5-sections-50-items 6.10ms 5.00ms ±2.47ms 1 -16.7%
SectionList with-10-sections-200-items 5.00ms 5.00ms ±0.94ms 1 -9.1%
SectionList with-20-sections-200-items 5.10ms 4.50ms ±2.28ms 1 -10.0%
SectionList with-section-separator 1.80ms 2.00ms ±0.63ms 1 +0.0%
SectionList with-item-separator 2.80ms 2.00ms ±1.99ms 1 +0.0%
SectionList with-header-footer 2.20ms 2.00ms ±0.63ms 1 +0.0%
SectionList with-section-footer 2.70ms 2.50ms ±2.06ms 1 +25.0%
SectionList with-sticky-section-headers 1.70ms 2.00ms ±0.48ms 1 +0.0%
SectionList with-empty-list 0.60ms 1.00ms ±0.52ms 1 +0.0%
SectionList with-50-sections-1000-items 1.50ms 1.50ms ±0.53ms 1 -25.0%

FlatList

Scenario Mean Median StdDev Renders vs Baseline
FlatList mount 3.80ms 3.00ms ±1.32ms 1 -25.0%
FlatList unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
FlatList rerender 11.30ms 10.00ms ±3.23ms 2 +11.1%
FlatList with-10-items 5.40ms 5.00ms ±1.07ms 1 +25.0%
FlatList with-100-items 5.80ms 6.00ms ±1.93ms 1 +20.0%
FlatList with-500-items 4.60ms 4.00ms ±2.37ms 1 +0.0%
FlatList with-1000-items 3.80ms 4.00ms ±0.42ms 1 +0.0%
FlatList horizontal 4.40ms 4.00ms ±1.84ms 1 -20.0%
FlatList with-separator 2.20ms 2.00ms ±0.79ms 1 +0.0%
FlatList with-header-footer 2.10ms 1.50ms ±2.13ms 1 -25.0%
FlatList with-empty-list 0.50ms 0.50ms ±0.53ms 1 +0.0%
FlatList with-get-item-layout 3.70ms 3.50ms ±1.16ms 1 +250.0%
FlatList inverted 3.10ms 3.00ms ±0.32ms 1 +100.0%
FlatList with-num-columns 5.30ms 4.00ms ±4.03ms 1 +33.3%

TouchableOpacity

Scenario Mean Median StdDev Renders vs Baseline
TouchableOpacity mount 1.10ms 1.00ms ±0.74ms 1 +0.0%
TouchableOpacity unmount 0.00ms 0.00ms ±0.00ms 0 +0.0%
TouchableOpacity rerender 1.30ms 1.00ms ±0.48ms 2 +0.0%
TouchableOpacity custom-active-opacity 0.80ms 1.00ms ±0.42ms 1 +0.0%
TouchableOpacity disabled 0.60ms 1.00ms ±0.52ms 1 +0.0%
TouchableOpacity with-all-handlers 0.70ms 1.00ms ±0.48ms 1 +0.0%
TouchableOpacity with-hit-slop 0.40ms 0.00ms ±0.52ms 1 -100.0%
TouchableOpacity with-delay 0.70ms 1.00ms ±0.48ms 1 +0.0%
TouchableOpacity nested 1.30ms 1.00ms ±0.48ms 1 +0.0%
TouchableOpacity multiple-10 6.33ms 6.00ms ±2.29ms 1 +0.0%
TouchableOpacity multiple-50 26.73ms 25.00ms ±5.38ms 1 -13.8%
TouchableOpacity multiple-100 34.47ms 39.00ms ±11.17ms 1 -22.0%

ScrollView

Scenario Mean Median StdDev Renders vs Baseline
ScrollView mount 0.40ms 0.00ms ±0.52ms 1 +0.0%
ScrollView unmount 0.00ms 0.00ms ±0.00ms 0 +0.0%
ScrollView rerender 0.60ms 1.00ms ±0.52ms 2 +0.0%
ScrollView children-20 3.40ms 3.00ms ±1.12ms 1 -25.0%
ScrollView children-100 15.80ms 15.00ms ±3.57ms 1 -6.3%
ScrollView horizontal 3.30ms 3.00ms ±0.95ms 1 -25.0%
ScrollView sticky-headers 3.00ms 3.00ms ±1.15ms 1 +0.0%
ScrollView scroll-indicators 0.70ms 1.00ms ±0.48ms 1 +0.0%
ScrollView nested 1.60ms 1.00ms ±0.97ms 1 +0.0%
ScrollView content-container-style 1.20ms 1.00ms ±1.75ms 1 +0.0%
ScrollView children-500 22.47ms 21.00ms ±6.23ms 1 +10.5%

TouchableHighlight

Scenario Mean Median StdDev Renders vs Baseline
TouchableHighlight mount 0.50ms 0.50ms ±0.53ms 1 +0.0%
TouchableHighlight unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
TouchableHighlight rerender 0.80ms 1.00ms ±0.42ms 2 +0.0%
TouchableHighlight custom-underlay-color 0.50ms 0.50ms ±0.53ms 1 +Infinity%
TouchableHighlight custom-active-opacity 0.20ms 0.00ms ±0.42ms 1 +0.0%
TouchableHighlight disabled 0.20ms 0.00ms ±0.42ms 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 0.90ms 1.00ms ±0.32ms 1 +0.0%
TouchableHighlight multiple-touchables-10 3.00ms 2.50ms ±1.83ms 1 -16.7%
TouchableHighlight multiple-touchables-50 14.20ms 12.50ms ±3.36ms 1 +0.0%
TouchableHighlight multiple-touchables-100 23.40ms 22.00ms ±4.33ms 1 -2.2%

Pressable

Scenario Mean Median StdDev Renders vs Baseline
Pressable mount 0.30ms 0.00ms ±0.48ms 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 2.87ms 3.00ms ±0.52ms 1 +0.0%
Pressable multiple-50 15.47ms 15.00ms ±3.36ms 1 +7.1%
Pressable multiple-100 18.00ms 12.00ms ±11.29ms 1 +0.0%

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 0.30ms 0.00ms ±0.48ms 1 +0.0%
Modal transparent 0.30ms 0.00ms ±0.48ms 1 +0.0%
Modal with-callbacks 0.30ms 0.00ms ±0.48ms 1 +0.0%
Modal rich-content 1.50ms 1.50ms ±0.53ms 1 -25.0%
Modal with-accessibility 0.50ms 0.50ms ±0.53ms 1 +Infinity%

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 0.10ms 0.00ms ±0.32ms 2 +0.0%
Image with-resize-mode 0.10ms 0.00ms ±0.32ms 1 +0.0%
Image with-border-radius 0.10ms 0.00ms ±0.32ms 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 0.20ms 0.00ms ±0.42ms 1 +0.0%
Image multiple-10 1.00ms 1.00ms ±0.38ms 1 +0.0%
Image multiple-50 4.47ms 5.00ms ±0.74ms 1 +66.7%
Image multiple-100 8.00ms 7.00ms ±1.60ms 1 -12.5%

ActivityIndicator

Scenario Mean Median StdDev Renders vs Baseline
ActivityIndicator mount 0.10ms 0.00ms ±0.32ms 1 +0.0%
ActivityIndicator unmount 0.10ms 0.00ms ±0.32ms 0 +0.0%
ActivityIndicator rerender 0.20ms 0.00ms ±0.42ms 2 +0.0%
ActivityIndicator size-large 0.20ms 0.00ms ±0.42ms 1 +0.0%
ActivityIndicator size-small 0.00ms 0.00ms ±0.00ms 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 0.00ms 0.00ms ±0.00ms 1 +0.0%
ActivityIndicator multiple-10 1.13ms 1.00ms ±1.13ms 1 +0.0%
ActivityIndicator multiple-50 3.27ms 3.00ms ±0.70ms 1 -25.0%
ActivityIndicator multiple-100 10.33ms 10.00ms ±2.64ms 1 +42.9%

Switch

Scenario Mean Median StdDev Renders vs Baseline
Switch mount 0.30ms 0.00ms ±0.48ms 1 +0.0%
Switch unmount 0.30ms 0.00ms ±0.48ms 0 +0.0%
Switch rerender 0.20ms 0.00ms ±0.42ms 2 -100.0%
Switch value-true 0.30ms 0.00ms ±0.48ms 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 0.30ms 0.00ms ±0.48ms 1 +0.0%
Switch multiple-10 1.80ms 2.00ms ±1.26ms 1 +0.0%
Switch multiple-50 10.47ms 8.00ms ±5.04ms 1 -11.1%
Switch multiple-100 18.27ms 18.00ms ±4.91ms 1 +12.5%

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 0.80ms 1.00ms ±0.42ms 2 +0.0%
Button disabled 0.40ms 0.00ms ±0.52ms 1 -100.0%
Button with-color 0.60ms 1.00ms ±0.52ms 1 +100.0%
Button with-accessibility 0.50ms 0.50ms ±0.53ms 1 -50.0%
Button multiple-10 5.73ms 5.00ms ±1.62ms 1 -16.7%
Button multiple-50 22.33ms 24.00ms ±9.22ms 1 -11.1%
Button multiple-100 23.67ms 23.00ms ±8.23ms 1 +21.1%

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 0.30ms 0.00ms ±0.48ms 2 +0.0%
TextInput multiline 0.60ms 0.00ms ±1.58ms 1 +0.0%
TextInput with-value 0.10ms 0.00ms ±0.32ms 1 +0.0%
TextInput styled 0.20ms 0.00ms ±0.42ms 1 +0.0%
TextInput multiple-100 7.07ms 6.00ms ±1.67ms 1 -14.3%

View

Scenario Mean Median StdDev Renders vs Baseline
View mount 0.10ms 0.00ms ±0.32ms 1 +0.0%
View unmount 0.00ms 0.00ms ±0.00ms 0 +0.0%
View rerender 0.40ms 0.00ms ±0.52ms 2 +0.0%
View nested-50 3.20ms 3.00ms ±0.56ms 1 +0.0%
View nested-100 8.53ms 8.00ms ±2.23ms 1 +14.3%
View shadow 0.10ms 0.00ms ±0.32ms 1 +0.0%
View border-radius 0.30ms 0.00ms ±0.48ms 1 +0.0%
View nested-500 20.33ms 14.00ms ±14.23ms 1 +40.0%

Text

Scenario Mean Median StdDev Renders vs Baseline
Text mount 0.10ms 0.00ms ±0.32ms 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 0.30ms 0.00ms ±0.48ms 1 +0.0%
Text nested 0.30ms 0.00ms ±0.48ms 1 +0.0%
Text styled 0.20ms 0.00ms ±0.42ms 1 +0.0%
Text multiple-100 8.40ms 8.00ms ±2.23ms 1 +14.3%

SectionList.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
SectionList native mount 4.76ms 4.69ms ±0.64ms 1 -28.0%

FlatList.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
FlatList native mount 4.87ms 4.48ms ±1.13ms 1 -51.4%

TouchableHighlight.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
TouchableHighlight native mount 1.55ms 1.45ms ±0.31ms 1 -30.5%

TouchableOpacity.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
TouchableOpacity native mount 1.74ms 1.70ms ±0.17ms 1 -45.8%

Pressable.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
Pressable native mount 1.46ms 1.48ms ±0.10ms 1 -41.1%

ScrollView.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
ScrollView native mount 3.30ms 3.21ms ±0.39ms 1 -20.8%

ActivityIndicator.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
ActivityIndicator native mount 1.61ms 1.27ms ±0.83ms 1 -48.8%

TextInput.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
TextInput native mount 2.09ms 2.05ms ±0.15ms 1 -49.8%

Switch.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
Switch native mount 1.28ms 1.22ms ±0.18ms 1 -29.4%

Button.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
Button native mount 1.83ms 1.84ms ±0.20ms 1 -29.2%

Modal.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
Modal native mount 0.99ms 0.94ms ±0.11ms 1 -22.9%

Image.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
Image native mount 1.94ms 1.66ms ±0.91ms 1 -26.7%

View.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
View native mount 1.19ms 1.07ms ±0.30ms 1 -25.2%

Text.native-perf-test.ts

Scenario Mean Median StdDev Renders vs Baseline
Text native mount 1.32ms 1.27ms ±0.26ms 1 -27.1%

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