| Field | Xcode 11.4 GM | Xcode 11.4.1 GM | Diff |
|---|---|---|---|
| Release type | GM | GM | same |
| Edition | - | - | same |
| Release date | 2020-03-24 | 2020-04-16 | different |
| Minimum macOS | 10.15.2 | 10.15.2 | same |
| Swift | 5.2 | 5.2.2 | different |
| iOS SDK | 13.4 | 13.4.1 | different |
| Build | 11E146 | 11E503a | 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。