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Upgrading React Native can be challenging due to compatibility issues, especially with Android's API 33. The recommended npx react-native upgrade command might not capture all required updates. Instead, using the React Native Upgrade Helper tool offers a thorough yet time-consuming method to ensure all files are correctly updated. If issues persist, comparing with a new React Native app can help pinpoint discrepancies.

When migrating from Android API level 30 to 31/32, certain modifications are needed for React Native or Core Android apps. To address upload issues on the Google Play Store, developers must adjust values in the build.gradle files and update dependency implementations. Additionally, the android.exported attribute should be added in the AndroidManifest.xml file where applicable.

Images enhance web apps but can consume significant bandwidth, highlighting the importance of image compression. The article compares two tools, TinyPNG and Sharp. Sharp, a high-performance Node.js module, outperforms TinyPNG in speed, offers better compression control, and seamlessly integrates into projects, with no usage costs. Switching to Sharp can elevate image processing efficiency in applications, improving user experience and SEO.