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Xcode 10.2.1 GM vs Xcode 26.4.1
Compare critical compatibility fields before upgrading.
| Field | Xcode 10.2.1 GM | Xcode 26.4.1 | Diff |
|---|---|---|---|
| Release type | GM | stable | different |
| Edition | - | Apple Silicon | different |
| Release date | 2019-04-17 | 2026-04-16 | different |
| Minimum macOS | 10.14.3 | 26.2 | different |
| Swift | 5.0.1 | 6.3.1 | different |
| iOS SDK | 12.2 | 26.4.1 | different |
| Build | 10E1001 | 17E202 | different |
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.