| Field | Xcode 8.3 Beta 1 | Xcode 8.3.1 | Diff |
|---|---|---|---|
| Release type | Beta 1 | stable | different |
| Edition | - | - | same |
| Release date | 2017-01-24 | 2017-04-06 | different |
| Minimum macOS | 10.12 | 10.12 | same |
| Swift | unknown | 3.1 | different |
| iOS SDK | unknown | unknown | same |
| Build | 8W109m | 8E1000a | 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。