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[xcode26.4] Merge remote-tracking branch main into xcode26.4#24898

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[xcode26.4] Merge remote-tracking branch main into xcode26.4#24898
dalexsoto merged 13 commits intoxcode26.4from
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rolfbjarne and others added 13 commits March 9, 2026 20:56
The create-makefile-fragment.sh script requires the DOTNET environment
variable to be set. The previous BUILD_EXECUTABLE export was removed in
9cf7f59, but the replacement DOTNET export was not added, causing the
Linux build to fail because the .csproj.inc file couldn't be generated,
which meant ProductConstants.cs wasn't generated either.

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This pull request updates the following dependencies

## From https://github.com/dotnet/dotnet

- **Subscription**: [30303172-6f12-44a9-887a-ea8520fce068](https://maestro.dot.net/subscriptions?search=30303172-6f12-44a9-887a-ea8520fce068)
- **Build**: [20260309.8](https://dev.azure.com/dnceng/internal/_build/results?buildId=2922172) ([305305](https://maestro.dot.net/channel/9626/github:dotnet:dotnet/build/305305))
- **Date Produced**: March 9, 2026 8:50:18 PM UTC
- **Commit**: [8511f5b3494f6d7d052a8a302642da0f9aca356d](dotnet/dotnet@8511f5b)
- **Branch**: [release/10.0.3xx](https://github.com/dotnet/dotnet/tree/release/10.0.3xx)

- **Dependency Updates**:
  - From [10.0.0-beta.26153.116 to 10.0.0-beta.26159.108][3]
     - Microsoft.DotNet.Arcade.Sdk
     - Microsoft.DotNet.Build.Tasks.Feed
     - Microsoft.DotNet.SharedFramework.Sdk
  - From [10.0.300-preview.26153.116 to 10.0.300-preview.26159.108][3]
     - Microsoft.NET.Sdk
     - Microsoft.TemplateEngine.Authoring.Tasks

[3]: dotnet/dotnet@cdfa384...8511f5b
…correct buffer size. (#24862)

The hardcoded 512-byte rendering buffer was far too small for a 256x256
adaptive bitmap context. Replace with the correct size computed from the
adaptive parameters (AlignedBytesPerRow * Height) to avoid SIGSEGV in
CGBitmapContextCreateImage when it tries to read beyond the buffer.

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This pull request updates the following dependencies

## From https://github.com/dotnet/macios

- **Subscription**: [c0371266-dd6f-4959-822b-decc72d2d668](https://maestro.dot.net/subscriptions?search=c0371266-dd6f-4959-822b-decc72d2d668)
- **Build**: [20260304.10](https://dev.azure.com/devdiv/DevDiv/_build/results?buildId=13458877) ([304492](https://maestro.dot.net/channel/3884/github:dotnet:macios/build/304492))
- **Date Produced**: March 4, 2026 3:55:17 PM UTC
- **Commit**: [b34b8d3](b34b8d3)
- **Branch**: [release/9.0.1xx](https://github.com/dotnet/macios/tree/release/9.0.1xx)

- **Dependency Updates**:
  - From [26.2.9001 to 26.2.9002][1]
     - Microsoft.iOS.Sdk.net9.0_26.2
     - Microsoft.MacCatalyst.Sdk.net9.0_26.2
     - Microsoft.macOS.Sdk.net9.0_26.2
     - Microsoft.tvOS.Sdk.net9.0_26.2

[1]: 42038e1...b34b8d3
* Improve nullability annotations for EnumsFromHandle (return T[]? instead of T[]).
* Add a NonNullEnumsFromHandle variant that guarantees a non-null return value.
* Use Enum.ToObject instead of Convert.ChangeType, which doesn't support enum types.
* Rewrite to use ArrayFromHandleDropNullElements/NonNullArrayFromHandleDropNullElements.
* Update NEHotspotEapSettings.SupportedEapTypes to use NonNullEnumsFromHandle.
* Add tests for NSArray.EnumsFromHandle and NEHotspotEapSettings.SupportedEapTypes.

Contributes towards #17285.

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Improve nullability annotations for FromArray<T> (accept NSArray?, return T[]?).
* Add a ToNonNullArrayDropNullElements<T> variant that guarantees a non-null return value.
* Add an ArrayFromHandleDropNullElements overload with NSNullBehavior parameter.
* Rewrite FromArray<T> to use ArrayFromHandleDropNullElements.
* Update UIFontDescriptor.CascadeList to use ToNonNullArrayDropNullElements.
* Update bgen to append '!' for non-nullable wrapped array properties.
* Fix MTKMesh.FromAsset to annotate sourceMeshes as MDLMesh[]?.
* Add a test for MTKMesh.FromAsset.

Contributes towards #17285.

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This pull request updates the following dependencies

## From https://github.com/dotnet/dotnet

- **Subscription**: [30303172-6f12-44a9-887a-ea8520fce068](https://maestro.dot.net/subscriptions?search=30303172-6f12-44a9-887a-ea8520fce068)
- **Build**: [20260310.13](https://dev.azure.com/dnceng/internal/_build/results?buildId=2923364) ([305561](https://maestro.dot.net/channel/9626/github:dotnet:dotnet/build/305561))
- **Date Produced**: March 11, 2026 12:08:50 AM UTC
- **Commit**: [37ac471dd9cf9b9b784497fa71dcce9045eb1a78](dotnet/dotnet@37ac471)
- **Branch**: [release/10.0.3xx](https://github.com/dotnet/dotnet/tree/release/10.0.3xx)

- **Dependency Updates**:
  - From [10.0.0-beta.26159.108 to 10.0.0-beta.26160.113][1]
     - Microsoft.DotNet.Arcade.Sdk
     - Microsoft.DotNet.Build.Tasks.Feed
     - Microsoft.DotNet.SharedFramework.Sdk
  - From [10.0.300-preview.26159.108 to 10.0.300-preview.26160.113][1]
     - Microsoft.NET.Sdk
     - Microsoft.TemplateEngine.Authoring.Tasks

[1]: dotnet/dotnet@8511f5b...37ac471
This pull request updates the following dependencies

## From https://github.com/dotnet/xharness

- **Subscription**: [02e03784-16b3-4ced-b02a-3715797fc7da](https://maestro.dot.net/subscriptions?search=02e03784-16b3-4ced-b02a-3715797fc7da)
- **Build**: [20260310.2](https://dev.azure.com/dnceng/internal/_build/results?buildId=2922976) ([305458](https://maestro.dot.net/channel/2/github:dotnet:xharness/build/305458))
- **Date Produced**: March 10, 2026 1:06:04 PM UTC
- **Commit**: [c32a7777a0f8f7a4fc8d9920d445f5f4b5658d38](dotnet/xharness@c32a777)
- **Branch**: [main](https://github.com/dotnet/xharness/tree/main)

- **Dependency Updates**:
  - From [11.0.0-prerelease.26117.1 to 11.0.0-prerelease.26160.2][1]
     - Microsoft.DotNet.XHarness.iOS.Shared

[1]: dotnet/xharness@0eeaa60...c32a777
This fixes the following problem:

* We default the max simulator version to the SDK version of an OS (currently 26.2)
* However, iOS/tvOS 26.3 exists, and that's the simulator 'xcodebuild -downloadPlatform' installs with Xcode 26.3.
* The max simulator version is what we use in xharness to decide which simulator to run tests in.
* The result is that xharness will try to use/create a simulator for iOS 26.2, but that might not be possible (unless said simulator was already installed from before the current build), because it wasn't provisioned.
When using `sharpie bind --header <file> --scope <dir>`, the --scope
argument was stored verbatim without path normalization. Since Clang
always reports declaration source locations as absolute paths, a
relative --scope value (e.g. `MyFramework.framework/Headers`) would
never match the absolute filename from `presumedLoc.FileName`, causing
IsInScope() to filter out every declaration and produce zero output
files — even though parsing succeeded.

Additionally, the StartsWith comparison in IsInScope() could produce
false positive matches when one directory name was a prefix of another
(e.g. scope `/tmp/scope` would incorrectly match files in
`/tmp/scopeextra/`).

~~Finally, when binding a very large number of Objective-C headers
(200+), ClangSharp can throw an ArgumentOutOfRangeException with
parameter name "handle" during AST traversal, due to cursor/type handle
misclassification in its managed wrapper layer. Sharpie caught this
exception but reported the raw, opaque message ("Specified argument was
out of the range of valid values"), giving users no guidance on how to
work around the issue.~~ -> Moved to
dotnet/ClangSharp#690

Changes:

1. Tools.cs: Normalize --scope paths to absolute via Path.GetFullPath()
when parsing CLI arguments, matching the behavior already used by
--framework mode (which calls Path.GetFullPath on SourceFramework in
ResolveFramework()).

2. ObjectiveCBinder.cs (IsInScope): Append a trailing directory
separator to scope directory paths before the StartsWith check, so that
`/tmp/scope/` does not falsely match `/tmp/scopeextra/`.

~~3. BindingResult.cs (ReportUnexpectedError): Detect the specific
ArgumentOutOfRangeException("handle") pattern from ClangSharp and report
an actionable error message that explains the root cause (translation
unit too complex) and suggests workarounds (bind fewer headers, use
--scope).~~

4. Tests: Added 5 new test cases:
- Scope_RelativePath: verifies relative --scope paths produce correct
output after normalization
- Scope_FiltersOutOfScopeDeclarations: verifies that only declarations
from in-scope headers are bound
- Scope_PrefixDoesNotFalseMatch: verifies that scope "/foo/bar" does not
match "/foo/barbaz/header.h"
- ~~HandleCrash_ReportsUsefulError: verifies the improved error message
for ClangSharp handle exceptions~~
- ~~HandleCrash_OtherExceptionsUnchanged: verifies that other exception
types still report their original message~~

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: Rolf Bjarne Kvinge <rolf@xamarin.com>
@dalexsoto dalexsoto requested a review from rolfbjarne as a code owner March 16, 2026 12:58
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✅ [PR Build #72192d1] Build passed (Detect API changes) ✅

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Hash: 72192d1d69be9bb48f97913ea923cfc641262402 [PR build]

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✅ API diff for current PR / commit

NET (empty diffs)

✅ API diff vs stable

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✅ [CI Build #72192d1] Build passed (Build packages) ✅

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Hash: 72192d1d69be9bb48f97913ea923cfc641262402 [PR build]

@rolfbjarne rolfbjarne enabled auto-merge March 16, 2026 16:27
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✅ [CI Build #72192d1] Build passed (Build macOS tests) ✅

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Hash: 72192d1d69be9bb48f97913ea923cfc641262402 [PR build]

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🔥 [CI Build #72192d1] Test results 🔥

Test results

❌ Tests failed on VSTS: test results

1 tests crashed, 0 tests failed, 155 tests passed.

Failures

❌ windows tests

🔥 Failed catastrophically on VSTS: test results - windows (no summary found).

Html Report (VSDrops) Download

Successes

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 8 tests passed. Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 15 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 12 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 11 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ sharpie: All 1 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

macOS tests

✅ Tests on macOS Monterey (12): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Ventura (13): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sonoma (14): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sequoia (15): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Tahoe (26): All 5 tests passed. Html Report (VSDrops) Download

Pipeline on Agent
Hash: 72192d1d69be9bb48f97913ea923cfc641262402 [PR build]

@dalexsoto dalexsoto disabled auto-merge March 16, 2026 18:35
@dalexsoto dalexsoto merged commit e160b93 into xcode26.4 Mar 16, 2026
55 of 57 checks passed
@dalexsoto dalexsoto added this to the xcode26.4 milestone Mar 20, 2026
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3 participants