chore(ci): Add Xcode 26 support to workflows

[philprime]

📜 Description

This pull request updates the CI workflows to add support for Xcode 26 and the latest OS versions across all platforms (iOS, macOS, tvOS, watchOS, visionOS, Catalyst) and improves workflow robustness and maintainability. The changes introduce new matrix strategies for cross-platform builds and tests, automate simulator creation and platform installation for Xcode 26, and standardize environment variable usage.

💡 Motivation and Context

The primary motivation is to proactively ensure compatibility and detect potential issues with future Apple operating system releases.

Fixes #5667
Fixes #6061

💚 How did you test it?

The changes were tested by running the updated workflows in a dedicated branch/PR to confirm that the new jobs and matrix configurations are correctly triggered and execute as expected on macos-15 runners with Xcode 26.0.

📝 Checklist

You have to check all boxes before merging:

• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

#skip-changelog

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[cursor]

Cursor Agent can help with this pull request. Just @cursor in comments and I'll start working on changes in this branch.
_{Learn more about Cursor Agents}

[codecov]

❌ 4 Tests Failed:

Tests completed	Failed	Passed	Skipped
36480	4	36476	115

View the top 3 failed test(s) by shortest run time

SentryDeviceTests::testOSVersion

Stack Traces | 0s run time

.../SentryTests/Helper/SentryDeviceTests.m:95 - ((foundPrefix) is true) failed - Expected major version to be one of (

SentryTests.SentrySDKInternalTests::testResumeAndPauseAppHangTracking

Stack Traces | 0s run time

.../Tests/SentryTests/SentrySDKInternalTests.swift:579 - XCTAssertEqual failed: ("1") is not equal to ("0")

iOS_Swift_UITests.ProfilingUITests::testProfilingGPUInfo

Stack Traces | 0s run time

.../iOS-Swift/iOS-Swift-UITests/UITestHelpers.swift:5 - Failed to get matching snapshots: Timed out while evaluating UI query.

To view more test analytics, go to the Test Analytics Dashboard
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[philprime]

Looking at the CI diagnostics in the job outputs it seems like the SDK should be installed, but it still errors with no simulator device available.

I'll update the workflow to create a simulator.

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1224.44 ms	1250.67 ms	26.24 ms
Size	23.75 KiB	933.04 KiB	909.29 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
a3dfd57	1230.78 ms	1244.91 ms	14.14 ms
d83b35a	1212.48 ms	1237.02 ms	24.54 ms
1bf432b	1200.22 ms	1226.90 ms	26.67 ms
b41e6a7	1201.65 ms	1246.12 ms	44.47 ms
e98d6f5	1228.51 ms	1258.85 ms	30.34 ms
b714cb9	1224.71 ms	1238.04 ms	13.33 ms
fd94b0d	1226.50 ms	1258.69 ms	32.19 ms
ac4739e	1236.55 ms	1258.89 ms	22.34 ms
9cbff30	1236.33 ms	1254.35 ms	18.03 ms
43597ba	1214.88 ms	1243.52 ms	28.65 ms

App size

Revision	Plain	With Sentry	Diff
a3dfd57	23.75 KiB	913.63 KiB	889.87 KiB
d83b35a	23.75 KiB	913.17 KiB	889.42 KiB
1bf432b	23.75 KiB	926.64 KiB	902.90 KiB
b41e6a7	23.75 KiB	908.03 KiB	884.28 KiB
e98d6f5	23.75 KiB	933.03 KiB	909.28 KiB
b714cb9	23.75 KiB	858.69 KiB	834.93 KiB
fd94b0d	23.75 KiB	928.88 KiB	905.13 KiB
ac4739e	23.75 KiB	872.67 KiB	848.92 KiB
9cbff30	23.75 KiB	928.15 KiB	904.40 KiB
43597ba	23.75 KiB	880.32 KiB	856.58 KiB

Previous results on branch: cursor/add-xcode-26-support-to-workflows-9173

Startup times

Revision	Plain	With Sentry	Diff
236d865	1204.78 ms	1241.71 ms	36.93 ms
2c5e177	1232.14 ms	1250.38 ms	18.24 ms
a1a562c	1230.12 ms	1246.62 ms	16.50 ms
6dc86f3	1214.98 ms	1226.37 ms	11.39 ms

App size

Revision	Plain	With Sentry	Diff
236d865	23.75 KiB	933.04 KiB	909.29 KiB
2c5e177	23.75 KiB	933.03 KiB	909.28 KiB
a1a562c	23.75 KiB	933.03 KiB	909.28 KiB
6dc86f3	23.75 KiB	933.04 KiB	909.29 KiB