| Field | Xcode 7.3 Beta 4 | Xcode 7.3.1 | Diff |
|---|---|---|---|
| Release type | Beta 4 | stable | different |
| Edition | - | - | same |
| Release date | 2016-02-22 | 2016-04-19 | different |
| Minimum macOS | 10.11 | 10.11 | same |
| Swift | unknown | unknown | same |
| iOS SDK | unknown | unknown | same |
| Build | 7D152p | 7D1012 | 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。