Android WebView is a system component powered by Chrome that allows Android apps to display web content. This component is pre-installed on your device and should be kept up to date to ensure you have the latest security updates and other bug fixes.
Android System WebView / What's New in v50.0.2661.66 beta
• Fixed crashes in apps which use WebView with an Application context.
• Improved performance on devices with Tegra K1 GPUs (Nexus 9).
• Support for the unprefixed EME API.
• Support for ES6 computed property names.