| Field | Xcode 11.0 Beta 4 | Xcode 11.1 | Diff |
|---|---|---|---|
| Release type | Beta 4 | stable | different |
| Edition | - | - | same |
| Release date | 2019-07-17 | 2019-09-24 | different |
| Minimum macOS | 10.14.4 | 10.14.4 | same |
| Swift | 5.1 | 5.1 | same |
| iOS SDK | 13.0 | 13.1 | different |
| Build | 11M374r | 11A1027 | 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。