| Field | Xcode 7.3 | Xcode 7.3.1 | Diff |
|---|---|---|---|
| Release type | stable | stable | same |
| Edition | - | - | same |
| Release date | 2016-03-21 | 2016-04-19 | different |
| Minimum macOS | 10.11 | 10.11 | same |
| Swift | 2.2 | unknown | different |
| iOS SDK | unknown | unknown | same |
| Build | 7D175 | 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。