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Xcode 12.3 RC 1 vs Xcode 26.4.1
Compare critical compatibility fields before upgrading.
| Field | Xcode 12.3 RC 1 | Xcode 26.4.1 | Diff |
|---|---|---|---|
| Release type | RC 1 | stable | different |
| Edition | - | Apple Silicon | different |
| Release date | 2020-12-08 | 2026-04-16 | different |
| Minimum macOS | 10.15.4 | 26.2 | different |
| Swift | 5.3.2 | 6.3.1 | different |
| iOS SDK | 14.3 | 26.4.1 | different |
| Build | 12C33 | 17E202 | different |
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.