| Field | Xcode 8.2 Beta 2 | Xcode 8.2.1 | Diff |
|---|---|---|---|
| Release type | Beta 2 | stable | different |
| Edition | - | - | same |
| Release date | 2016-11-14 | 2016-12-19 | different |
| Minimum macOS | 10.11.5 | 10.11.5 | same |
| Swift | unknown | 3.0.2 | different |
| iOS SDK | unknown | unknown | same |
| Build | 8C30a | 8C1002 | 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。