If you are a developer using Flutter, you are in for a treat. The latest Flutter 3.10 update, paired with Dart 3, brings massive improvements that will make your apps faster, more secure, and easier to build.
From improved UI with Material 3 to better security and an all-new rendering engine, this update is a must-have for anyone building apps with Flutter. But what exactly makes Flutter 3.10 and Dart 3 so special?
Let us break it all down and see why you should upgrade right now.
Flutter 3.10 is like a performance-enhancing update for your favorite car it runs smoother, looks better, and is more secure than ever.
Now, let us dive deeper into these game-changing features.
Every developer has encountered null reference errors at some point. They are frustrating and can cause apps to crash unexpectedly.
With Dart 3, full null safety is now mandatory. This means:
String? username; print(username.length); // ERROR! Null reference
String username = "Flutter Dev"; print(username.length); // Works perfectly
This makes coding cleaner and stress-free.
Pattern matching is one of the most useful additions in Dart 3. It makes handling structured data much easier.
if (user.role == "admin") { print("Welcome, Admin"); } else { print("Access denied"); }
switch (user) { case Admin(): print("Welcome, Admin"); default: print("Access denied"); }
Less code, more efficiency.
Dart 3 introduces sealed and interface classes, making object-oriented programming more structured.
sealed class Animal {} class Dog extends Animal {} class Cat extends Animal {}
This ensures only allowed classes can extend Animal, preventing unexpected modifications.
Security is crucial in modern app development, and Flutter 3.10 addresses this with SLSA Level 1 compliance.
What’s New in Security?
With these updates, your Flutter apps are safer and more resistant to attacks.
Flutter Web has been getting stronger with every update, and version 3.10 is the best yet.
What’s Improved?
Now, Flutter Web apps are faster and more reliable than ever before.
A well-designed app keeps users engaged, and Flutter’s Material 3 update ensures a more modern and polished look.
What’s New in Material 3?
This means Flutter apps now feel more refined and high-end.
If you have noticed laggy animations on iOS, you’re not alone. The old Skia engine was not optimized for Apple devices.
Impeller Fixes That
Impeller for Android is currently in development and will be available in the future release
Still on an older version? Here is why you should update now:
If you want to future-proof your apps, upgrading is the best decision.
Still on an older version? Here is why you should update now:
If you want to future-proof your apps, upgrading is the best decision.
The biggest change is Dart 3’s full null safety, making apps more stable and less error prone.
CanvasKit is now 66% smaller, reducing load times and making Flutter Web apps faster than before.
Impeller is a new rendering engine that removes animation lag and improves UI performance on iOS.
Yes. Just run:
bash
CopyEdit
flutter upgrade
If you are using older, non-null-safe code, you may need to make some adjustments.
Google is actively working on Impeller for Android, and it should arrive in a future update.