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Xcode 26.3 RC 1 vs Xcode 26.4 Beta 1
Compare critical compatibility fields before upgrading.
| Field | Xcode 26.3 RC 1 | Xcode 26.4 Beta 1 | Diff |
|---|---|---|---|
| Release type | RC 1 | Beta 1 | different |
| Edition | Universal | Universal | same |
| Release date | 2026-02-03 | 2026-02-16 | different |
| Minimum macOS | 15.6 | 26.2 | different |
| Swift | 6.2.4 | 6.3 | different |
| iOS SDK | 26.2 | 26.4 | different |
| Build | 17C519 | 17E5159k | different |
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.