| Field | Xcode 11.2.1 | Xcode 11.2 GM | Diff |
|---|---|---|---|
| Release type | stable | GM | different |
| Edition | - | - | same |
| Release date | 2019-11-05 | 2019-10-31 | different |
| Minimum macOS | 10.14.4 | 10.14.4 | same |
| Swift | 5.1.2 | 5.1.2 | same |
| iOS SDK | 13.2.2 | 13.2 | different |
| Build | 11B53 | 11B52 | 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。