| Field | Xcode 8.1 Beta 1 | Xcode 8.0 | Diff |
|---|---|---|---|
| Release type | Beta 1 | stable | different |
| Edition | - | - | same |
| Release date | 2016-09-21 | 2016-09-13 | different |
| Minimum macOS | 10.11.5 | 10.11.5 | same |
| Swift | unknown | 3.0 | different |
| iOS SDK | unknown | unknown | same |
| Build | 8T29o | 8A218a | 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。