1. WHAT’S
NEW IN
FLUTTER
3?
www.bacancytechnology.com

2. Quick Summary:
Flutter 3 is live and ready for
production on all desktop platforms!
We are excited and can’t wait to share
what’s new in Flutter, its support for
macOS and Linux, the remarkable
performance improvements for web
and mobile, and adding support for
Apple Silicon. Some bonus tips for you
at the end. So, let’s get straight to the
business.

3. Introduction

4. It has only been three months since
Flutter announced its support for
Windows, and here we are, almost in
the midst of May, with the latest
Flutter update. This all-new version is
stable for macOS and Linux and
supports Apple Silicon. The version
upgrade from Flutter 2 to Flutter 3
bridges the journey from a mobile-
centric to a multi-platform
framework.
Flutter is now an undisputed and
most popular cross multi-platform UI
toolkit for creating natively compiled
applications. The best thing about

5. Flutter is that it is more than just a
Google product, and everyone can
taste its slice of success. Anyone can
unleash the power of this open-
source platform either through
contributing code, building
packages supporting the core
framework, writing material and
tutorials, and many other ways.
Flutter 2 vs Flutter 3
The Flutter 3 release supports
macOS for Universal Binaries so
that Flutter apps can function
natively on Apple Silicon chips and
Intel. Google has

6. collaborated with Ubuntu’s Canonical
for the Linux release to deliver a highly
integrated cream of the cream option
for app development.
Let’s delve into what’s new in Flutter 3
to discover all the important elements
of Flutter’s stable release.

7. What’s New in
Flutter 3: Latest
Features

8. 1. Menu Cascading and Support for the
MacOS System Menu Bar
The new Flutter 3 features contain fresh
inputs for platform-specific integration,
interactive models for compilation to build
support, provide accessibility, and
internationalization.
The purpose of the update is to offer
flexibility to effectively utilize the operating
system and share optimal UI and logic as per
requirement. The Flutter latest features
cater to platform support beyond rendering
pixels.
Flutter 3 release date: May 11, 2022
(Google I/O Edition).
Check out the latest Flutter 3 release
notes

9. 2. Material You Support
Well, one of the top highlights of our
what’s new in Flutter 3 discussion is
the transition to Material Design 3, a
Google in-house design language. The
Flutter team has offered an adaptable
cross-platform design system to
transform your Flutter app into a
beautiful interactive product.

10. 3. Flutter Firebase
The app publishers require a
comprehensive set of tools to aid you in
operating, building, and releasing your
Flutter apps. These include services such
as data storage, authentication, device
testing, and cloud functions. Flutter has
various

11. third-party integrations like Firebase,
AWS Amplify, Sentry, and AppWrite.
Firebase is Google’s back-end platform for
building mobile and web applications.
The team at Flutter has announced Flutter
Firebase integration enabling a fully
supported core part of the Firebase
offering.
According to the report from
Slashdata, 62% of Flutter
developers use Firebase for their
Flutter apps. Get started with this
guide to add Firebase to your
Flutter app

12. Firebase Crashlytics:
You can now track real-time fatal errors
using the Flutter Crashlytics plugin, with
the same set of features through
Firebase’s famous real-time crash
reporting service.
The features include critical alerting
metrics like “crash-free users” that assist
you in keeping up with the stability of
your app.
It is now easy to triage, prioritize and fix
issues via the Crashlytics pipeline, which
has been upgraded to enhance the
clustering of Flutter crashes.

13. 4. Flutter’s Games Toolkit
The Flutter team has focussed on casual
gamers this time to release an easy-to-
use casual games tool kit. It offers a
starter kit of templates and credits for
ads as well as cloud services.
Fun fact: The engineers at Flutter have
created a fun pinball game powered by
Firebase and Flutter’s web support
which shows the versatility of the new
Flutter 3 update.
Bonus Tip: You can develop games on
Flutter through this Games doc page.

14. 5. Mobile Updates
• Foldable support for phones
What’s new in Flutter 3? Well, the all-new
Flutter release incorporates foldable mobile
devices. New widgets and features allow
you to build dynamic and appealing
experiences for the eye on foldable devices.
This feature is designed in collaboration
with Microsoft.
• Variable refresh rate support for IOS
The new Flutter version supports variable
refresh rates and ProMotion displays on iOS
devices, including iPad Pro and iPhone 13
Pro. The rendering capability is now at
refresh rates upto 120 Hz, which was limited
to 60 Hz in the past. The user can have a
smoother scrolling experience while
watching fast animations.

15. 6. Web Updates
• Image Decoding
The latest Flutter 3 version contains new
APIs to decode images off the main thread
asynchronously. This is done through the
built-in image codecs of the browser. You
would be happy to know that this feature
speeds up decoding the image 2x,
ensuring that the main thread is never
blocked and clearing the junk built-up in
the past.
• Web app lifecycles
The new web app lifecycle API for Flutter
apps provides you the benefit of
controlling the process for bootstrapping
your app. You can now leverage the
desktop support for your app.

16. Flutter 3
Performance
Improvements

17. The engineering team at Flutter has
taken the Flutter performance
improvement to the next level by
benchmarking to evaluate the
optimization benefits. Most
importantly, the opacity animation
performance has been improved for
simple case scenarios.
For instance, when an Opacity widget
consists of a single rendering
primitive, the saveLayer method is
omitted and is usually invoked by
Opacity.
The Flutter 3 release introduces a
mechanism that predicts and
estimates the rendering picture
complexity based on the drawing
operations cost

18. that it contains. This is used as an
approach to reduce memory usage
without a regression in Flutter app
performance.
We promised you bonus features in the
end, and here they are. Let us quickly
skim through these add-on features,
which add a cherry to the cake on the
Flutter 3 features.

19. More Exciting
Features: What’s
New in Flutter 3?

20. Here are some more updates on the
Flutter ecosystem cherrypicked
exclusively for you!
1. Theme Extensions
You can now add anything to the
ThemeData of the material library
using Theme extensions. Instead of
extending ThemeData and
implementing copyWith, lerp, and
other methods again, you can mention
ThemeData.extensions.
Moreover, as a package developer, you
can provide ThemeExtensions.
Moreover, as a package developer, you
can provide ThemeExtensions.
2. Ads
Flutter 3 supports the publisher’s
requirements for

21. making personalized ads and managing
Apple’s App Tracking Transparency
(ATTT) requirements. Google provides a
User Messaging Platform (UMP) SDK that
substitutes the previous open-source
Consent SDK.

22. Wrapping Up

23. It is undeniable that the community
deserves all praises for doing this
awesome work to help Flutter attain the
status of prestige and innovation to
maintain its caliber of helping
businesses of all shapes and sizes across
the world.
We hope you have had a holistic
experience reading our blog post on
what’s new in Flutter 3. The future of
Flutter seems bright and promising for
building delightful experiences in the
app ecosystem.

24. Thank You!
www.bacancytechnology.com