When deploying a large-scale Flutter app, which strategy would you use to ensure the app performs well across multiple devices and platforms?

Utilizing platform-specific code and optimizations is crucial for optimizing a Flutter app across multiple devices and platforms. This involves tailoring specific code and UI elements for each platform, leveraging platform channels, and utilizing platform-specific widgets. Optimizations can include adjusting layouts, utilizing native APIs, and addressing performance considerations for each platform. This approach helps ensure a smooth user experience across various devices.