: Because it is an APK and not tied to the core OS, it receives frequent security and performance updates through the Google Play Store .

: It enables a seamless experience where you can view web pages inside apps like Gmail or Twitter without switching to Chrome.

: It is strongly discouraged to disable or uninstall this component, as doing so will cause many apps to malfunction or crash immediately upon attempting to load web-based data.

: In some cases, advanced users change their "WebView implementation" in Developer Options to use different versions, like Beta or Dev builds, for testing new features.

Are you experiencing any or crashes that make you want to check your current WebView implementation? Build web apps in WebView - Android Developers