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Xcode 12.3 Beta 1 vs Xcode 26.4 Beta 3
Compare critical compatibility fields before upgrading.
| Field | Xcode 12.3 Beta 1 | Xcode 26.4 Beta 3 | Diff |
|---|---|---|---|
| Release type | Beta 1 | Beta 3 | different |
| Edition | - | Apple Silicon | different |
| Release date | 2020-11-12 | 2026-03-09 | different |
| Minimum macOS | 10.15.4 | 26.2 | different |
| Swift | 5.3.2 | 6.3 | different |
| iOS SDK | 14.3 | 26.4 | different |
| Build | 12C5020f | 17E5179g | different |
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.