| Value | Meaning |
|---|---|
| Embedder0 | Feature that adjust behaviour for specific application needs. The feature is not part of a Web platform feature, not a mature feature intended to be always on. |
| Unstable1 | Feature in development. The feature may be unfinished, and there are no guarantees about its safety and stability. |
| Internal2 | Feature for debugging the WebKit engine. The feature is not generally useful for user or web developers, and always disabled by default. |
| Developer3 | Feature for web developers. The feature is not generally useful for end users, and always disabled by default. |
| Testable4 | Feature in active development and complete enough for testing. The feature may not be yet ready to ship and is disabled by default. |
| Preview5 | Feature ready to be tested by users. The feature is disabled by default, but may be enabled by applications automatically e.g. in their “technology preview” or “beta” versions. |
| Stable6 | Feature ready for general use. The feature is enabled by default, but it may still be toggled to support debugging and testing. |
| Mature7 | Feature in general use. The feature is always enabled and in general there should be no user-facing interface to toggle it. |
Describes the status of a struct@WebKitFeature.
The status for a given feature can be obtained with id@webkit_feature_get_status.