ReactNative — Two Effective ways to know if the architecture is new or old.

First approach

To check the installed version of React Native in your project, you can use the following command in your terminal or command prompt while inside your React Native project directory.

npx react-native --version

Second approach

Confirming the New Architecture is in Use

After you build and run the app when Metro serves the JavaScript bundle, you should see "fabric": true in the Metro logs: