| Field | Xcode 11.3 GM | Xcode 11.3.1 GM | Diff |
|---|---|---|---|
| Release type | GM | GM | same |
| Edition | - | - | same |
| Release date | 2019-12-10 | 2020-01-13 | different |
| Minimum macOS | 10.14.4 | 10.14.4 | same |
| Swift | 5.1.3 | 5.1.3 | same |
| iOS SDK | 13.2.2 | 13.2.2 | same |
| Build | 11C29 | 11C505 | 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。