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Xcode 16.4 RC 1 vs Xcode 16.3
Compare critical compatibility fields before upgrading.
| Field | Xcode 16.4 RC 1 | Xcode 16.3 | Diff |
|---|---|---|---|
| Release type | RC 1 | stable | different |
| Edition | - | - | same |
| Release date | 2025-05-15 | 2025-03-31 | different |
| Minimum macOS | 15.3 | 15.2 | different |
| Swift | 6.1.2 | 6.1 | different |
| iOS SDK | 18.5 | 18.4 | different |
| Build | 16F6 | 16E140 | different |
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.