| Field | Xcode 9.0.1 | Xcode 9.0 | Diff |
|---|---|---|---|
| Release type | stable | stable | same |
| Edition | - | - | same |
| Release date | 2017-10-15 | 2017-09-12 | different |
| Minimum macOS | 10.12.6 | 10.12.6 | same |
| Swift | 4.0 | 4.0 | same |
| iOS SDK | unknown | unknown | same |
| Build | 9A1004 | 9A235 | different |
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.