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Flutter 3.16 — What’s New In Flutter App Development

Flutter, Google’s open-source framework for creating powerful user interfaces, has taken another step forward with its latest stable release, Flutter 3.16. Launched on November 15th, this version introduces exciting new features and enhancements, further establishing Flutter as a leading option for developing mobile and web applications. In this overview, we’ll explore the key highlights of Flutter 3.16 and the opportunities it presents for developers.

Flutter 3.16: A Brief Overview

The development team behind Flutter has showcased their commitment to excellence with the release of Flutter 3.16. This stable version introduces enhancements that underscore Flutter’s continued leadership in the realm of web and mobile application development.

Android's Impeller in Preview Mode

The release of Impeller, the most recent rendering engine from Flutter, which is currently available in stable channel preview mode for Android, is one of the release’s most notable features. With its Vulkan backend, this rendering engine promises to improve the performance of Flutter apps on devices that support Vulkan.
Impeller significantly reduces stutter and increases frame speeds by improving frame rasterization times. Using the –enable-impeller flag with the flutter run command or by providing relevant metadata to the project’s AndroidManifest.xml, developers can test Impeller on Vulkan-compatible devices.
The Flutter team has worked hard to improve text performance in Impeller for both the iOS and Android platforms, in addition to speed improvements. To handle text more effectively, adjustments have been made, resulting in user experiences that are more responsive and seamless.

Material 3 is currently the default visual style.

Starting with Flutter 3.10 in May 2023, Flutter’s Material library had a considerable overhaul harmonizing with the newest Material Design principles. Material 3 is now the standard UI design for Flutter apps as of Flutter 3.16.

Updates for Material 3 were formerly explicitly required of developers; however, this is now the default state. By setting the useMaterial3 attribute in the MaterialApp widget to false, developers who would rather work with the older Material 2 version can choose not to use Material 3. Material 2 is going to become outdated, yet.

Since some of the widgets in Material 3 are completely new implementations, it is recommended to manually migrate them in order to preserve UI consistency. Developers can look at Material 3 components and compare them with the previous version with Flutter’s demo application.

Predictive Back Navigation in App Extensions for iOS and Android

The Flutter version offers significant enhancements for the iOS and Android operating systems. To provide a more natural scrolling experience, Android’s mouse scroll wheel support has undergone substantial improvement.
Predictive back navigation is an exciting improvement for Android users, in line with the features of Android 14. This improves the user experience overall by enabling users to quickly show the home screen behind the current display with the back motion.

On the iOS front, Flutter now supports specific iOS app extensions, allowing developers to use Flutter widgets to create UI for certain types of iOS app extensions. While not universally applicable to all app extensions due to potential API limitations or memory constraints, this expansion opens new possibilities for Web and Mobile app developers.

Exciting News About The Flutter Games Toolkit

Flutter has gained traction in the casual games development scene, and Flutter 3.16 introduces a substantial update to the Flutter Casual Games Toolkit. This update includes new resources and genre-specific templates, catering to card games and endless runners.
The toolkit integration now extends to various services, including Play Games Services, in-app purchases, ads, achievements, Crashlytics, and multiplayer support. Flutter’s commitment to enhancing game development using the toolkit is evident in this comprehensive update.

New Flutter Favorites Packages!

Flutter’s community and tools are in constant evolution, and the Flutter Favorite program reflects this dynamism. Flutter 3.16 highlights new Flutter Favorites packages, including the widely appreciated flame game engine, the macos_ui package for native macOS appearance, and the Riverpod state manager package. As the program continues, developers can anticipate the recognition of additional outstanding packages and plugins.

What’s New in Flutter Devtools

Flutter DevTools takes a step forward with an innovative extensions framework, allowing package authors to seamlessly integrate custom tools. Popular packages like Provider, Drift, and Patrol have already started developing extensions, enriching the DevTools ecosystem.
In addition to the extension framework, Flutter’s DevTools introduces a “Home” screen, providing a concise summary of connected apps. The latest release also brings improvements to overall performance, hot restart robustness, text selection, copying behavior, and the network profiler response viewer refinement.

How does XcelTec help you build a Flutter app?

XcelTec stands out as a leading Flutter app development company in the USA, offering a team of experienced developers dedicated to delivering end-to-end solutions, and a commitment to customized development aligned with your business objectives. With expertise in cross-platform development, we ensure timely delivery, rigorous quality assurance, and scalable solutions. Our transparent communication ensures you stay informed throughout the development process. Partner with XcelTec for a seamless and successful Flutter app development experience.


Flutter 3.16 stands as a testament to Flutter’s commitment to innovation and user experience. With features like Impeller, Material 3 default styling, predictive back navigation, an enhanced Flutter Games Toolkit, new Flutter Favourites packages, and improvements in DevTools, developers have a robust set of tools to create exceptional cross-platform applications.

As Flutter continues to evolve, Flutter developers are encouraged to explore these new features and integrate them into their projects. The Flutter community is thriving, and with Flutter 3.16, the framework reinforces its position as a versatile and powerful solution for building high-performance apps across platforms.
If you’re looking for a one-stop solution for your mobile app needs, XcelTec has you covered! To integrate the latest Flutter update into your mobile app project, contact XcelTec for a free consultation.

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