Compatibility
| Package | Minimum | Toolchain |
| iOS | iOS 15 | Xcode 27.1 |
| Android | API 21 | JDK 17, Gradle 8.5, AGP 8.1.1, compile SDK 34 |
iPhone Duo layouts need the app itself to link against the iOS 27.1 SDK. Mac Catalyst is not supported. Dependencies: Package Installation.
Version-specific behavior
| iOS | Behavior |
| 15 | System medium and large detents |
| 16 | Custom detents and drag to expand |
| 16.4 | Inspectable WebViews |
| 27 | Glass loading background; earlier versions load behind an opaque cover in the sheet color |
| 27.1 | Layout around reserved regions such as the iPhone Duo fold |
| Android API | Behavior |
| 21 to 22 | Rounded WebView corners through a hardware layer |
| 24 | Portrait released in multi-window |
| 26 | Recovery after renderer loss |
| 30 | CONFIRM haptic |
| 34 | Foreground services use the shortService type with a timeout |
Runtime techniques
| Platform | Technique | Used for |
| iOS | Adds orientation methods to the app and scene delegate classes | Portrait presentation on iPhone |
| iOS | Sets the UIDevice orientation through key-value coding | Portrait on iOS 15 |
| iOS | Runtime subclass of WebKit content views | Hiding the keyboard toolbar in web content fields |
| Android | Reflection into androidx.browser and optional modules | Optional dependencies and modules |
Limits
- The OS can refuse rotation, for example in multi-window or on foldables.
- Process death ends the presentation. The SDK never replays an event or invents a result.
Stash Native SDK