[net11.0] Bump min Mac Catalyst to 17.0. Fixes #23784. by rolfbjarne · Pull Request #24515 · dotnet/macios

rolfbjarne · 2026-01-15T18:11:09Z

This PR might be easiest to review commit-by-commit.

This was done using this script: https://gist.github.com/rolfbjarne/ad62370cd7378dbbb7f405419b3a7b7a

…a version we actually support.

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Pull request overview

This PR bumps the minimum supported Mac Catalyst version from 15.0 to 17.0 for .NET 11, addressing issue #23784. This is a breaking change that drops support for Mac Catalyst versions 15.x and 16.x.

Changes:

Updated minimum Mac Catalyst SDK version constants from 15.0 to 17.0 in configuration files
Simplified SupportedOSPlatform attributes for APIs introduced in Mac Catalyst 15.0-16.4 by removing version numbers (using just "maccatalyst")
Updated project templates to use 17.0 as the default minimum version
Removed Mac Catalyst versions 15.0-16.4 from the KnownVersions list

Reviewed changes

Copilot reviewed 64 out of 64 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tools/common/SdkVersions.cs	Updated MinMacCatalyst and DotNetMinMacCatalyst constants from "15.0" to "17.0"
Make.config	Updated DOTNET_MIN_MACCATALYST_SDK_VERSION from 15.0 to 17.0
builds/Versions-MacCatalyst.plist.in	Removed Mac Catalyst versions 15.0-16.4 from KnownVersions array
dotnet/Templates/.../template.json	Updated default minimum OS version in C# and VB templates from "15.0" to "17.0"
src//.cs (70+ files)	Simplified SupportedOSPlatform attributes by removing version numbers for APIs introduced in Mac Catalyst 15.0-16.4, changing to just "maccatalyst" (inherits the new minimum)

…d libraries.

vs-mobiletools-engineering-service2 · 2026-01-19T09:51:15Z

✅ [CI Build #2523747] Build passed (Build packages) ✅

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Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-19T11:39:00Z

✅ [PR Build #2523747] Build passed (Detect API changes) ✅

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Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-19T11:51:56Z

✅ [CI Build #2523747] Build passed (Build macOS tests) ✅

Pipeline on Agent
Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-19T12:02:40Z

💻 [CI Build #2523747] Tests on macOS X64 - Mac Sonoma (14) passed 💻

✅ All tests on macOS X64 - Mac Sonoma (14) passed.

Pipeline on Agent
Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-19T12:05:44Z

✅ API diff for current PR / commit

NET (empty diffs)

iOS: vsdrops gist ( No breaking changes )
tvOS: vsdrops gist ( No breaking changes )
MacCatalyst: vsdrops gist ( No breaking changes )
macOS: vsdrops gist ( No breaking changes )

✅ API diff vs stable

NET (empty diffs)

iOS: vsdrops gist ( No breaking changes )
tvOS: vsdrops gist ( No breaking changes )
MacCatalyst: vsdrops gist ( No breaking changes )
macOS: vsdrops gist ( No breaking changes )

ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

Pipeline on Agent
Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-19T12:06:58Z

💻 [CI Build #2523747] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

✅ All tests on macOS arm64 - Mac Sequoia (15) passed.

Pipeline on Agent
Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-19T12:09:56Z

💻 [CI Build #2523747] Tests on macOS arm64 - Mac Tahoe (26) passed 💻

✅ All tests on macOS arm64 - Mac Tahoe (26) passed.

Pipeline on Agent
Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

vs-mobiletools-engineering-service2 · 2026-01-20T11:39:20Z

🚀 [CI Build #2523747] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 117 tests passed 🎉

Tests counts

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. [attempt 3] Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. [attempt 2] 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 4 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ linker: All 44 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 9 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 9 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 9 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

Pipeline on Agent
Hash: 2523747799a0f213a54c05408bef2e3df12a3cd3 [PR build]

rolfbjarne added 3 commits January 15, 2026 19:04

[src] Remove redundant availability attributes.

ae2648c

This was done using this script: https://gist.github.com/rolfbjarne/ad62370cd7378dbbb7f405419b3a7b7a

[net11.0] Bump min Mac Catalyst version to 17.0

d49a18f

[dotnet] Bump the default SupportedOSPlatformVersion in templates to …

76aaaef

…a version we actually support.

rolfbjarne requested a review from Copilot January 15, 2026 18:11

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[tests] Update bgen tests.

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rolfbjarne marked this pull request as ready for review January 19, 2026 08:32

rolfbjarne requested a review from dalexsoto as a code owner January 19, 2026 08:32

rolfbjarne enabled auto-merge (squash) January 19, 2026 08:33

[tests] Update the 'LinkedWithNativeLibraries' test's list of expecte…

2523747

…d libraries.

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dalexsoto approved these changes Jan 20, 2026

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rolfbjarne merged commit 284b50c into net11.0 Jan 20, 2026
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vs-mobiletools-engineering-service2 commented Jan 19, 2026

✅ [CI Build #2523747] Build passed (Build packages) ✅

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vs-mobiletools-engineering-service2 commented Jan 19, 2026

✅ [PR Build #2523747] Build passed (Detect API changes) ✅

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vs-mobiletools-engineering-service2 commented Jan 19, 2026

✅ [CI Build #2523747] Build passed (Build macOS tests) ✅

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vs-mobiletools-engineering-service2 commented Jan 19, 2026

💻 [CI Build #2523747] Tests on macOS X64 - Mac Sonoma (14) passed 💻

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vs-mobiletools-engineering-service2 commented Jan 19, 2026

✅ API diff for current PR / commit

✅ API diff vs stable

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vs-mobiletools-engineering-service2 commented Jan 19, 2026

💻 [CI Build #2523747] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

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vs-mobiletools-engineering-service2 commented Jan 19, 2026

💻 [CI Build #2523747] Tests on macOS arm64 - Mac Tahoe (26) passed 💻

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vs-mobiletools-engineering-service2 commented Jan 20, 2026

🚀 [CI Build #2523747] Test results 🚀

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