.NET 9 - Xcode 26.2 support (26.2.9000)

Note

• Xcode 26.2 is required with this release. Xcode 26.2 requires macOS 15.6+.
• If you are using Xcode 26.3 you need to set this msbuild property ValidateXcodeVersion=false in order to skip the Xcode check. Xcode 26.2 and 26.3 have identical SDKs.
• This release add Xcode 26.2 build support, no new APIs has been added.

This is a servicing release to the previous .NET 9 release.

Note: these are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

Versions

This release consists of the following versions:

• iOS: 26.2.9000
• tvOS: 26.2.9000
• macOS: 26.2.9000
• Mac Catalyst: 26.2.9000

Installation

You can use workload set version 9.0.312 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 9.0.312 before issuing the dotnet workload install command below. You can
validate your installed dotnet version using dotnet --version do make sure it shows 9.0.312 or greater before proceeding.

dotnet workload install <workload id(s)> --version 9.0.312

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 9.0.312

You can use dotnet workload --info to validate the workload versions installed in your system.

What's Changed

• [release/9.0.1xx] [dotnet] Fix handling binding frameworks embedded in binding assemblies remotely. by @rolfbjarne in #24548
• [release/9.0.1xx] [Foundation] Treat any exception during X509Chain.Build as a remote certificate chain error. Fixes #24739. by @rolfbjarne in #24758
• [release/9.0.1xx] Bump to Xcode 26.2. by @rolfbjarne in #24737

Full Changelog: dotnet-9.0.1xx-xcode26.0-9785...dotnet-9.0.1xx-xcode26.2.9000

.NET 11.0.1xx Preview 1 (11315)

We're excited to announce our first preview release for .NET 11!

Note: these are the base SDKs that add support for the platforms in question. For MAUI (which is built on top of our SDKs), visit: https://learn.microsoft.com/dotnet/maui/.

This release consists of the following versions:

• iOS: 26.2.11315-net11-p1
• tvOS: 26.2.11315-net11-p1
• Mac Catalyst: 26.2.11315-net11-p1
• macOS: 26.2.11315-net11-p1

Full release notes: .NET 11 release notes
Known issues: Known issues in .NET 11

Installation

You can use workload set version 11.0.100-preview.1.26109.8 in order to install these versions of the SDKs, please make sure to be using the first preview of the .NET SDK 11.0.100 before issuing the dotnet workload install command below. You can validate your installed dotnet version using dotnet --version do make sure it shows 11.0.100 or greater before proceeding.

dotnet workload install <workload id(s)> --version 11.0.100-preview.1.26109.8

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 11.0.100-preview.1.26109.8

You can use dotnet workload --info to validate the workload versions installed in your system.

What's Changed

• [net11.0] Enable CoreCLR for all platforms. by @rolfbjarne in #23977
• [net11.0] Drop support for .NET 9. by @rolfbjarne in #24388
• [net11.0] [dotnet] Don't allow setting PublishTrimmed to any value. by @rolfbjarne in #24335
• [tests] Add an AppSizeTest variation for CoreCLR, both with and without R2R. by @rolfbjarne in #24390
• [net11.0] Enable CoreCLR tests on x64. by @rolfbjarne in #24421
• [net11.0] Prevent bundling/linking with libclrjit.dylib for CoreCLR on Apple mobile platforms. by @rolfbjarne in #24429
• [Foundation] Fix nullability in NSLocale. by @rolfbjarne in #24433
• [Foundation] Fix nullability in NSKeyedArchiver. by @rolfbjarne in #24436
• [Foundation] Fix nullability in NSMutableSet. by @rolfbjarne in #24422
• [Foundation] Fix nullability in NSMutableAttributedString. by @rolfbjarne in #24431
• [Foundation] Fix nullability in NSConnection. by @rolfbjarne in #24438
• [Foundation] Fix nullability in NSMutableDictionary. by @rolfbjarne in #24428
• [msbuild] Pass the XamarinTask instance along when calling CompressionHelper.TryCompress. by @rolfbjarne in #24439
• [net11.0] Bump min macOS to 14.0, and iOS/tvOS to 13.0. Fixes #23784. by @rolfbjarne in #24420
• [Foundation] Fix nullability in NSLayoutConstraint. by @rolfbjarne in #24434
• [Foundation] Fix nullability in NSMutableSet. by @rolfbjarne in #24419
• [main] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #24453
• [main] Update dependencies from dotnet/macios by @dotnet-maestro[bot] in #24460
• [net11.0] Disable CoreCLR tests on x64. by @rolfbjarne in #24451
• [net11.0] Update dependencies from dotnet/dotnet by @dotnet-maestro[bot] in #24446
• [Foundation] Fix nullability in NSDictionary<TKey,TValue>. by @rolfbjarne in #24457
• [docs] Move the docs about ReferenceNativeSymbol in the correct file. by @rolfbjarne in #24462
• [net11.0] Add dependency/support for .NET 10 Xcode 26.2 packages. by @rolfbjarne in #24435
• [msbuild] Remove the SdkBinPath and SdkUsrPath properties. by @rolfbjarne in #24450
• [dotnet] Fix computing the app bundle location for 'dotnet run' for desktop apps. by @rolfbjarne in #24468
• [docs] Add a step to API docs publishing about flipping monikers from 'prelease' to 'live'. by @rolfbjarne in #24465
• [apidiff] Update reference/stable versions to .NET 10 / Xcode 26.2. by @rolfbjarne in #24463
• Localized file check-in by OneLocBuild Task: Build definition ID 14411: Build ID 12987286 by @vs-mobiletools-engineering-service2 in #24472
• [Foundation] Fix nullability in NSMutableDictionary<TKey, TValue>. by @rolfbjarne in #24458
• [AuthenticationServices] ASAuthorizationPlatformPublicKeyCredentialAssertionRequest is no longer gone. by @rolfbjarne in #24477
• [Foundation] Fix nullability in NSDictionary. by @rolfbjarne in #24478
• Correct iOS to iOS and tvOS in build properties by @igormoiseev in #24485
• [Foundation] Fix nullability in NSObject. by @rolfbjarne in #24481
• [net11.0] [dotnet] Fix computing _LibMonoLinkMode when not using Mono. by @rolfbjarne in #24488
• [main] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #24475
• [src] Remove the NO_SYSTEM_DRAWING conditional compilation define, it's never set. by @rolfbjarne in #24479
• [msbuild/dotnet] Add support for listing the devices and simulators available to run on. by @rolfbjarne in #24279
• [tests] BitmapContextTest.AdaptiveTest to not crash. by @rolfbjarne in #24500
• [SceneKit] Distribute nullability for a few properties. by @rolfbjarne in #24496
• [GLKit] Fix nullability for GLKMesh.FromAssets. by @rolfbjarne in #24498
• [src] Fix make quietness inside templates. by @rolfbjarne in #24505
• [Foundation] Improve NSArray.FromIntPtrs slightly. by @rolfbjarne in #24501
• [tests] Use existing 'SecIdentity.Import' API instead of manually trying to do the same thing. by @rolfbjarne in #24432
• [main] Update dependencies from dotnet/xharness by @dotnet-maestro[bot] in #24507
• [CarPlay] Remove extraneous [Deprecated] on a CPGridButton ctor. Fixes #24491. by @rolfbjarne in #24497
• [msbuild] Be explicit about string comparisons. by @rolfbjarne in #24513
• [dotnet] Add support for ReadyToRun. by @rolfbjarne in #24437
• [Foundation] Improve NSArray.FromNativeObjects slightly. by @rolfbjarne in #24509
• [msbuild] Simplify DetectSdkLocation to not detect whether we're building for the simulator or not. by @rolfbjarne in #24514
• [AudioUnit] Simplify code and fix leak in AudioComponent.ComponentList. by @rolfbjarne in #24511
• [msbuild] Avoid using deprecated API by @rolfbjarne in #24512
• [dotnet] Set the default RuntimeIdentifier for publishing scenarios. by @rolfbjarne in #24329
• [net11.0] Bump min Mac Catalyst to 17.0. Fixes #23784. by @rolfbjarne in #24515
• [devops] Fix a few issues with pwsh tests and test result parsing. by @rolfbjarne in #24516
• Use the full GitHub url for submodules. by @rolfbjarne in #24517
• [net11.0] Merge main into net11.0. by @rolfbjarne in #24519
• [tests] Delete most legacy msbuild tests. by @rolfbjarne in #24520
• [tests] Migrate Cecil tests to NUnit v4. by @rolfbjarne in #24525
• [devops] macOS 12 is macOS Monterey. by @rolfbjarne in #24529
• [release/11.0.1xx-preview1] Merge branch 'net11.0' into 'release/11.0.1xx-preview1' by @rolfbjarne in #24561
• [release/11.0.1xx-preview1] [dotnet] Fix publish BAR manifest step by @rolfbjarne in #24577
• [release/11.0.1xx-preview1] [msbuild] Fix listing de...

.NET 10 - Xcode 26.2 support (26.2.10197)

Note

• Xcode 26.2 is required with this release. Xcode 26.2 requires macOS 15.6+.

These are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

This release consists of the following versions:

• iOS: 26.2.10197
• tvOS: 26.2.10197
• macOS: 26.2.10197
• Mac Catalyst: 26.2.10197

Installation

You can use workload set version 10.0.103 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 10.0.103 before issuing the dotnet workload install command below. You can validate your installed dotnet version using dotnet --version do make sure it shows 10.0.103 before proceeding.

dotnet workload install <workload id(s)> --version 10.0.103

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 10.0.103

You can use dotnet workload --info to validate the workload versions installed in your system.

Full release notes: https://github.com/dotnet/macios/wiki/.NET-10-release-notes

What's Changed

• [release/10.0.1xx] [dotnet] Disable any default 'PublishRuntimeIdentifier' values. by @rolfbjarne in #24563

Full Changelog: dotnet-10.0.1xx-xcode26.2-10196...dotnet-10.0.1xx-xcode26.2-10197

.NET 10 - Xcode 26.2 support (26.2.10196)

Note

• Xcode 26.2 is required with this release. Xcode 26.2 requires macOS 15.6+.

These are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

This release consists of the following versions:

• iOS: 26.2.10196
• tvOS: 26.2.10196
• macOS: 26.2.10196
• Mac Catalyst: 26.2.10196

Full release notes: https://github.com/dotnet/macios/wiki/.NET-10-release-notes

What's Changed

• [release/10.0.1xx] [dotnet] Fix handling binding frameworks embedded in binding assemblies remotely. by @rolfbjarne in #24538
• [release/10.0.1xx] [msbuild/dotnet] Add support for listing the devices and simulators available to run on. by @rolfbjarne in #24543

Full Changelog: dotnet-10.0.1xx-xcode26.2-10191...dotnet-10.0.1xx-xcode26.2-10196

.NET 9 - Xcode 26.0 support (9785)

Note

• Xcode 26.0 is required with this release. Xcode 26.0 requires macOS 15.6+.

This is a servicing release to the previous .NET 9 release.

Note: these are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

Versions

This release consists of the following versions:

• iOS: 26.0.9785
• tvOS: 26.0.9785
• macOS: 26.0.9785
• Mac Catalyst: 26.0.9785

Installation

You can use workload set version 9.0.311 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 9.0.311 before issuing the dotnet workload install command below. You can
validate your installed dotnet version using dotnet --version do make sure it shows 9.0.311 or greater before proceeding.

dotnet workload install <workload id(s)> --version 9.0.311

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 9.0.311

You can use dotnet workload --info to validate the workload versions installed in your system.

What's Changed

Full Changelog: dotnet-9.0.1xx-xcode26.0-9783...dotnet-9.0.1xx-xcode26.0-9785

.NET 10 - Xcode 26.2 support (26.2.10191)

Note

• Xcode 26.2 is required with this release. Xcode 26.2 requires macOS 15.6+.

These are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

This release consists of the following versions:

• iOS: 26.2.10191
• tvOS: 26.2.10191
• macOS: 26.2.10191
• Mac Catalyst: 26.2.10191

Installation

You can use workload set version 10.0.101.1 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 10.0.101 before issuing the dotnet workload install command below. You can validate your installed dotnet version using dotnet --version do make sure it shows 10.0.101 before proceeding.

dotnet workload install <workload id(s)> --version 10.0.101.1

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 10.0.101.1

You can use dotnet workload --info to validate the workload versions installed in your system.

Full release notes: https://github.com/dotnet/macios/wiki/.NET-10-release-notes

What's Changed

• [Foundation] Fix nullability in NSCoder. by @rolfbjarne in #24179
• [src] Fix calling ConformsToProtocol on native instances that don't have a managed peer yet. Fixes #24111. by @rolfbjarne in #24189
• [xcode26.2] Bump to use Xcode 26.2 Beta 1 by @dalexsoto in #24184
• [Foundation] Fix nullability in NSDecimal. by @rolfbjarne in #24187
• [dotnet] Fix loading oldest reference assemblies for library projects. Fixes #24043. by @rolfbjarne in #24181
• [msbuild] Add support for CoreMLCompilerPath to specify the locatio of the 'coremlc' executable. by @rolfbjarne in #24193
• [msbuild] Fix confusion about where the codesign[-bundle].items files are stored. Fixes #24052. by @rolfbjarne in #24198
• [msbuild] Remove outdated Xcode checks by @rolfbjarne in #24188
• [Foundation] Fix nullability in NSDirectoryEnumerator. by @rolfbjarne in #24192
• [dotnet] Adjust the default trimming mode to not trim when using CoreCLR. by @rolfbjarne in #24206
• [tools] Build the partial static registrar for CoreCLR when CoreCLR is enabled. by @rolfbjarne in #24207
• [dotnet] Only do Mono AOT stuff when we're using Mono by @rolfbjarne in #24204
• [runtime] Link with libcoreclr on all platforms when it's enabled there. by @rolfbjarne in #24208
• [src] Make the trimmer inline Runtime.IsCoreCLR correctly for iOS, tvOS and Mac Catalyst by @rolfbjarne in #24205
• [msbuild] Add support for CopySceneKitAssetsPath to specify the location of the 'copySceneKitAssets' executable. by @rolfbjarne in #24218
• [src] Remove 'remarks' nodes from enum fields, and add a test. by @rolfbjarne in #24232
• [docs] Update docs about how to update API docs with one last step. by @rolfbjarne in #24233
• [xcode26.1.1] Bump to Xcode 26.1.1 by @rolfbjarne in #24231
• [docs] Update docs to match the published version. by @rolfbjarne in #24227
• [apiref] Bump to latest stable published NuGet packages by @dalexsoto in #24235
• [xcode26.2] Merge main into xcode26.2 by @dalexsoto in #24238
• [system-dependencies] Make simulator runtime installation a bit more resilient. by @rolfbjarne in #24243
• [msbuild] Always run WriteItemsFromFile locally. by @rolfbjarne in #24211
• [docs] Use absolute link to update-api-docs.md in the release check list. by @rolfbjarne in #24234
• [Foundation] Fix nullability in NSError. by @rolfbjarne in #24242
• [msbuild] Remove reference to System.Collections.Immutable. by @rolfbjarne in #24237
• [devops] Disable AzDO dependabot by @mmitche in #24255
• [introspection] Tweak which assemblies ApiPInvokeTest tests. by @rolfbjarne in #24252
• [Foundation] Fix nullability in NSFastEnumerator. by @rolfbjarne in #24253
• [Foundation] Fix nullability in NSItemProvider. by @rolfbjarne in #24258
• [Foundation] Fix nullability in NSUrlRequest. by @rolfbjarne in #24263
• [Foundation] Fix nullability in NSXpcInterface. by @rolfbjarne in #24264
• [Foundation] Fix nullability in NSValue. by @rolfbjarne in #24265
• [src] Add a [DynamicDependency] attribute from the event field to exported method for generated events. Fixes #24262. by @rolfbjarne in #24270
• [xcode26.2] Update AuthenticationServices to Xcode 26.2 Beta 1 by @dalexsoto in #24284
• [xcode26.2] Update to Xcode 26.2 Beta 2 by @dalexsoto in #24289
• [xcode26.2] Update AVFoundation bindings to Xcode 26.2 Beta 1 by @dalexsoto in #24285
• [Foundation] Fix nullability in NSUrlCredential. by @rolfbjarne in #24277
• [mlaunch] Update mlaunch to 1.1.93 by @mauroa in #24257
• [Foundation] Fix nullability in NSXpcConnection. by @rolfbjarne in #24268
• [Network] Fix NWBrowseResult.TxtRecord to not throw an exception if there's no TxtRecord. by @rolfbjarne in #24295
• [xcode26.2] Update GameKit bindings to Xcode 26.2 Beta 2 by @dalexsoto in #24302
• [Foundation] Fix nullability in NSUrlDownload. by @rolfbjarne in #24275
• [Foundation] Fix nullability in NSUrlProtectionSpace. by @rolfbjarne in #24271
• [xcode26.2] Update BrowserEngineKit bindings to Xcode 26.2 Beta 1 by @dalexsoto in #24287
• [Foundation] Fix nullability in NSTimeZone. by @rolfbjarne in #24304
• [xcode26.2] Update GameController bindings to Xcode 26.2 Beta 2 by @dalexsoto in #24297
• [xcode26.2] Update HealthKit bindings to Xcode 26.2 Beta 2 by @dalexsoto in #24307
• [Foundation] Fix nullability in NSUbiquitousKeyValueStore. by @rolfbjarne in #24278
• [Foundation] Document NSUrlSessionHandler.MaxInputInMemory. Fixes #21537. by @rolfbjarne in #24305
• [xcode26.2] Update PassKit bindings to Xcode 26.2 Beta 2 by @dalexsoto in #24310
• [Foundation] Fix nullability in NSUrlSession. by @rolfbjarne in #24269
• [xcode26.2] Merge main into xcode26.2 by @dalexsoto in #24318
• [xcode26.2] Update SafariServices bindings to Xcode 26.2 Beta 2 by @dalexsoto in #24320
• [xcode26.2] Update Security bindings to Xcode 26.2 Beta 2 by @dalexsoto in #24321
• [msbuild] Fix XcodeProject output path when using artifacts folder by @Copilot in #24224
• [tools] Mark the Invoke methods for the type to create block proxies when using the static registrar. by @rolfbjarne in #24344
• [Foundation] Fix nullability in NSStream. by @rolfbjarne in #24308
• [xcode26.2] Bump to Xcode 26.2 Release Candidate by @dalexsoto in #24359
• [xcode26.2] Merge main into xcode26.2 by @dalexsoto in #24357
• [Foundation] Improve documentation and remove redundant platform attributes in NSOrderedSet. by @rolfbjarne in #24345
• [Foundation] Fix nullability in NSRange. by @rolfbjarne in #24356
• [CoreAnimation] Remove incorrect availability attributes from CASpringAnimation.SettlingDuration by @Copilot in #24341
• [Foundation] Fix nullability in NSScriptCommandDescription. by @rolfbjarne in #24351
• ...

.NET 9 - Xcode 26.0 support (9783)

Note

• Xcode 26.0 is required with this release. Xcode 26.0 requires macOS 15.6+.

This is a servicing release to the previous .NET 9 release.

Note: these are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

Versions

This release consists of the following versions:

• iOS: 26.0.9783
• tvOS: 26.0.9783
• macOS: 26.0.9783
• Mac Catalyst: 26.0.9783

Installation

You can use workload set version 9.0.308.2 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 9.0.308 before issuing the dotnet workload install command below. You can
validate your installed dotnet version using dotnet --version do make sure it shows 9.0.308 or greater before proceeding.

dotnet workload install <workload id(s)> --version 9.0.308.2

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 9.0.308.2

You can use dotnet workload --info to validate the workload versions installed in your system.

What's Changed

• [release/9.0.1xx] Update mlaunch to 1.1.93 by @rolfbjarne in #24366

Full Changelog: dotnet-9.0.1xx-xcode26.0-9777...dotnet-9.0.1xx-xcode26.0-9783

.NET 10 - Xcode 26.1 support (26.1.10502)

Note

• Xcode 26.1 is required with this release. Xcode 26.1 requires macOS 15.6+.
• This workload is included in Visual Studio 2026 (v18.1)

These are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

This release consists of the following versions:

• iOS: 26.1.10502
• tvOS: 26.1.10502
• macOS: 26.1.10502
• Mac Catalyst: 26.1.10502

Installation

You can use workload set version 10.0.101 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 10.0.101 before issuing the dotnet workload install command below. You can validate your installed dotnet version using dotnet --version do make sure it shows 10.0.101 before proceeding.

dotnet workload install <workload id(s)> --version 10.0.101

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 10.0.101

You can use dotnet workload --info to validate the workload versions installed in your system.

Full release notes: https://github.com/dotnet/macios/wiki/.NET-10-release-notes

What's Changed

• [release/10.0.1xx] [src] Add a [DynamicDependency] attribute from the event field to exported method for generated events. Fixes #24262. by @rolfbjarne in #24288

Full Changelog: dotnet-10.0.1xx-xcode26.1-10494...dotnet-10.0.1xx-xcode26.1-10502

.NET 9 - Xcode 26.0 support (9777)

Note

• Xcode 26.0 is required with this release. Xcode 26.0 requires macOS 15.6+.

This is a servicing release to the previous .NET 9 release.

Note: these are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

Versions

This release consists of the following versions:

• iOS: 26.0.9777
• tvOS: 26.0.9777
• macOS: 26.0.9777
• Mac Catalyst: 26.0.9777

Installation

You can use workload set version 9.0.308.1 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 9.0.308 before issuing the dotnet workload install command below. You can
validate your installed dotnet version using dotnet --version do make sure it shows 9.0.308 or greater before proceeding.

dotnet workload install <workload id(s)> --version 9.0.308.1

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 9.0.308.1

You can use dotnet workload --info to validate the workload versions installed in your system.

What's Changed

Full Changelog: dotnet-9.0.1xx-xcode26.0-9769...dotnet-9.0.1xx-xcode26.0-9777

.NET 10 - Xcode 26.1 support (26.1.10494)

Note

• Xcode 26.1 is required with this release. Xcode 26.1 requires macOS 15.6+.
• This workload is included in Visual Studio 2026 (v18.0.1)

These are the base SDKs that add support for the platforms in question, for MAUI (which is built on top of our SDKs), go here instead: https://docs.microsoft.com/en-us/dotnet/maui/.

This release consists of the following versions:

• iOS: 26.1.10494
• tvOS: 26.1.10494
• macOS: 26.1.10494
• Mac Catalyst: 26.1.10494

Installation

You can use workload set version 10.0.100.1 in order to install these versions of the SDKs.

Please make sure to be using the latest .NET SDK 10.0.100 before issuing the dotnet workload install command below. You can validate your installed dotnet version using dotnet --version do make sure it shows 10.0.100 before proceeding.

dotnet workload install <workload id(s)> --version 10.0.100.1

Available workload ids

• ios
• tvos
• macos
• maccatalyst
• android (see https://github.com/dotnet/android)
• maui (see https://github.com/dotnet/maui)

Example command installing all listed workloads.

dotnet workload install ios tvos macos maccatalyst maui android --version 10.0.100.1

You can use dotnet workload --info to validate the workload versions installed in your system.

Full release notes: https://github.com/dotnet/macios/wiki/.NET-10-release-notes

What's Changed

• [LocalAuthentication] Fix nullability for LAContext.CanEvaluatePolicy. Fixes #12981. by @rolfbjarne in #23911
• [UIKit] Add a weakly typed UIMenu.Identifier property and UIMenu.Create overload. Fixes #14177. by @rolfbjarne in #23913
• [AVFoundation] Improve documentation for AVFileTypes.Mpeg3. Fixes #8735. by @rolfbjarne in #23908
• [WebKit] Improve documentation for WKHttpCookieStore.[Add|Remove]Observer. Fixes #9984. by @rolfbjarne in #23910
• [xcode26.1] Bump to Xcode 26.1 Beta 1 by @dalexsoto in #23873
• [main] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #23934
• [UIKit] Fix incorrect property type for UIButtonConfiguration.SymbolContentTransition. Fixes #23925. by @rolfbjarne in #23930
• [Foundation] Fix the property type for NSUrlAuthenticationChallenge.Sender. Fixes #7333. by @rolfbjarne in #23906
• [tools] ShazamKit is now available in the simulator. Fixes #15138. by @rolfbjarne in #23921
• [xcode26.1] Update AVFoundation to beta 1. by @rolfbjarne in #23899
• [xcode26.1] Update CarPlay to beta 1. by @rolfbjarne in #23880
• [xcode26.1] Update AuthenticationServices to beta 1. by @rolfbjarne in #23904
• [xcode26.1] Update AccessorySetupKit to beta 1. by @rolfbjarne in #23897
• [xcode26.1] Update Metal to beta 1. by @rolfbjarne in #23901
• [xcode26.1] Update UIKit to beta 1. by @rolfbjarne in #23887
• [xcode26.1] Update AutomaticAssessmentConfiguration to beta 1. by @rolfbjarne in #23878
• [xcode26.1] Update HomeKit to beta 1. by @rolfbjarne in #23884
• [xcode26.1] Update CallKit to beta 1. by @rolfbjarne in #23902
• [bgen] Fix APIs with both [Protected] and [Internal]. Fixes #6889. by @rolfbjarne in #23937
• [bgen] Handle [DesignatedInitializer] being in two places at once. Fixes #10106. by @rolfbjarne in #23940
• [CoreAnimation] Improve docs for CALayer.[Set|Get]Contents. Fixes #23933. by @rolfbjarne in #23943
• [NetworkExtension] Fix nullability for NETunnelProvider.HandleAppMessage. Fixes #16789. by @rolfbjarne in #23948
• [AppKit] Bind the NSBindingOption constants as a strong dictionary. Fixes #17983. by @rolfbjarne in #23954
• [Foundation] Update bindings for NSCoder. Fixes #4471. by @rolfbjarne in #23945
• [CoreFoundation] Improve the handling of data callbacks in CFSocket.OnCallback. by @rolfbjarne in #23955
• [CoreFoundation] Generate any CFProxy keys. Fixes #18911. by @rolfbjarne in #23956
• [xcode26.1] Bump to beta 2. by @rolfbjarne in #23959
• [runtime] The 'libextension-dotnet.a' library is required for tvOS. Fixes #13260. by @rolfbjarne in #23957
• [bgen] Warn with [Protocol]+[BaseType], but no [Model]. Fixes #17286. by @rolfbjarne in #23949
• [msbuild] Ensure all resources are available on Windows before packing them. Fixes #23928. by @rolfbjarne in #23971
• [msbuild] Unify and improve code to execute tasks remotely. Fixes #23927. by @rolfbjarne in #23944
• [devops] Make the test filter configurable when running remote tests. by @rolfbjarne in #23970
• [AVFoundation] Add a strongly typed AVAssetWriter factory method. Fixes #21509. by @rolfbjarne in #23982
• [CoreGraphics] Implement getting the refresh rate for a CGDisplay. Fixes #9958. by @rolfbjarne in #23922
• [main] Update dependencies from dotnet/sdk by @dotnet-maestro[bot] in #23974
• [msbuild] Use TaskRunner.CopyInputsAsync2 to copy inputs to the remote build server. by @rolfbjarne in #23965
• [dotnet] Don't overwrite any existing value for DOTNET_DiagnosticPorts when computed through our build logic. by @rolfbjarne in #23993
• [Photos] Bump to Xcode 26.1 Beta 2. by @rolfbjarne in #24001
• [msbuild] Renumber msbuild error codes to avoid duplicating them. by @rolfbjarne in #24012
• [UIKit] Update to Xcode 26.1 beta 2. by @rolfbjarne in #24013
• Use 'global using' statements in most projects to simplify code. by @rolfbjarne in #23895
• [CoreGraphics] Update to Xcode 26.1 beta 2. by @rolfbjarne in #24000
• [HomeKit] Update to Xcode 26.1 beta 2. by @rolfbjarne in #24009
• [AudioToolbox] Improve AudioQueue API a little bit. Fixes #11183. by @rolfbjarne in #23988
• [Foundation] Update to Xcode 26.1 beta 2. by @rolfbjarne in #24016
• [CoreMedia] Improve CMFormatDescription.SubType properties. Fixes #23217. by @rolfbjarne in #23262
• Bump mlaunch. by @rolfbjarne in #24040
• [CoreImage] Adjust a little bit how filters are bound and verified. by @rolfbjarne in #23987
• [xcode26.1] Bump to Xcode 26.1 Beta 3 by @dalexsoto in #24051
• [Foundation] Improve cookie storage a bit in NSUrlSessionHandler. Fixes #23950. by @rolfbjarne in #24058
• [tests] Add a test to verify and keep track of app size changes. by @rolfbjarne in #23999
• [introspection] Apple fixed FB18122430 in Xcode 26.1. by @rolfbjarne in #24070
• [msbuild] Fix DetectSigningIdentity with entitlements in the simulator. Fixes #24032. by @rolfbjarne in #24076
• [runtime] Adopt safer native compiler flags: Wignored-qualifiers by @rolfbjarne in #24068
• [Accessibility] Update bindings to Xcode 26.1 Beta 3 by @dalexsoto in #24060
• [runtime] Adopt safer native compiler flags: Wmissing-field-initializers by @rolfbjarne in #24071
• [runtime] Retry downloading coreclrhost.h if it fails. by @rolfbjarne in #24069
• [AppKit] Update bindings to Xcode 26.1 Beta 3 by @dalexsoto in #24080
• [build] Make it possible to select to build for either the simulator or device. by @rolfbjarne in #24092
• [runtime] Adopt safer native compiler flags: Wcast-function-type-mismatch by @rolfbjarne in #24083
• [runtime] Adopt safer native compiler flags: Wsemicolon-before-method-body by @rolfbjarne in #24078
• [runtime] Adopt safer native compiler flags: Wsign-co...