| Field | Xcode 16.3 RC 2 | Xcode 16.4 Beta 1 | Diff |
|---|---|---|---|
| Release type | RC 2 | Beta 1 | different |
| Edition | - | - | same |
| Release date | 2025-03-27 | 2025-04-28 | different |
| Minimum macOS | 15.2 | 15.3 | different |
| Swift | 6.1 | 6.1.2 | different |
| iOS SDK | 18.4 | 18.5 | different |
| Build | 16E140 | 16F1t | different |
建议：如果你是生产环境主力开发，优先选择 stable 版本；如需验证新 SDK，再考虑 beta。