Android is preparing an update to its system WebView component that introduces an allowlist for SharedArrayBuffer. This move is designed to offer tighter control over how web-based components in apps manage shared memory and multithreading processes.

SharedArrayBuffer is commonly used in web environments to enable high-performance features, such as multithreaded processing and complex WebAssembly tasks. By introducing an allowlist, the platform can better oversee which contexts have access to these capabilities, balancing performance demands with security standards.

Developers who utilize WebView inside their Android applications will want to keep track of this upcoming shift to ensure their embedded web experiences remain secure and fully functional.

For full details and further technical specifications, check the original coverage on Tech Insider.