• Reduced CPU & GPU Load - The rendering engine has been optimized to ensure smoother animations, transitions, and graphics. Apps will run more efficiently, even on lower-end devices.

• Faster Startup Time - Apps now launch more quickly because of improvements in asset bundling, lazy loading of resources, and smarter caching mechanisms.

• Optimized Memory Usage - Flutter 3.29 now manages background processes better to prevent memory leaks, reducing unnecessary memory consumption.

• Material 3 Components Revamped - Flutter now supports the latest Material Design updates with dynamic themes, new typography, and smoother animations.

• Advanced Gesture Support - Multi-touch gestures have been improved, allowing smoother interactions and more natural responses to user inputs.

• New ScrollView Enhancements - Large lists scroll better, with improved performance and less lag in infinite scrolling scenarios.

• Web Rendering Enhancements - Flutter Web now loads faster, uses fewer system resources, and works better on different browsers.

• MacOS & Windows Native Support - Keyboard and mouse handling has been refined, making desktop applications more responsive.

• New WebAssembly Support (Beta) - Flutter Web apps now run significantly faster with WebAssembly (Wasm) support, improving performance in web applications.

• Better Null Safety Handling - Reduces runtime errors, making your code more stable and secure.

• Enhanced Compiler Performance - Code compiles faster, reducing build times and improving debugging speed.

• New Language Features - Dart now includes simpler syntax improvements and better error handling, making coding easier.

• Developers can now integrate AI-powered chatbots, image recognition, and smart personalization features into their apps without complex setups.

• Firebase AI extensions provide ready-to-use AI capabilities to improve user experience with minimal coding effort.

flutter build web

After (Wasm Support - Experimental)

flutter build web --wasm

3. Performance Improvements in ListView

Before (Old ListView Approach)

ListView.builder(
  itemCount: items.length,
  itemBuilder: (context, index) {
    return ListTile(
      title: Text(items[index]),
    );
  },
);

ListView.builder(
  itemCount: items.length,
  addAutomaticKeepAlives: true, // Keeps widgets alive for better performance
  itemBuilder: (context, index) {
    return ListTile(
      title: Text(items[index]),
    );
  },
);

void checkType(dynamic value) {
  if (value is int) {
    print('It is an integer');
  } else if (value is String) {
    print('It is a string');
  }
}

void checkType(dynamic value) {
  switch (value) {
    case int():
      print('It is an integer');
    case String():
      print('It is a string');
    default:
      print('Unknown type');
  }
}

final model = FirebaseModel('custom-model'); // Old ML model handling

import 'package:firebase_ml_model_downloader/firebase_ml_model_downloader.dart';

final model = FirebaseModelDownloader.instance.getModel(
  "my_model",
  FirebaseModelDownloadType.localModelUpdateInBackground,
);