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Best of all, this feature isn’t a breaking change: you can incrementally add it to your code at your own pace, with migration tooling available to help you when you’re ready. Sound null safety has the potential to eradicate dreaded null reference exceptions, offering guarantees at development and runtime that types can only contain null values if the developer expressly chooses. There’s no other language that combines all these capabilities perhaps this is why Dart is one of the fastest growing languages on GitHub.ĭart 2.12, available today, is our largest release since 2.0, with support for sound null safety.
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We’re also announcing updates to our Flutter plug-ins for several core Firebase services: Authentication, Cloud Firestore, Cloud Functions, Cloud Messaging, Cloud Storage, and Crashlytics, including support for sound null safety and an overhaul of the Cloud Messaging package.Īs we’ve noted, Flutter 2 is portable to many different platforms and form factors. iRobot's blog post has all the details on their progress so far and why they chose Flutter. Flutter’s production support for the web allows iRobot to take their existing educational programming environment and move it to the web, expanding its availability to Chromebooks and other devices where the browser is the best choice. Among educators, iRobot is well known for their popular Root educational robots. Some examples of web apps built with Flutter are already available. And because desktop browsers are as important as mobile browsers, we added interactive scrollbars and keyboard shortcuts, increased the default content density in desktop modes, and added screen reader support for accessibility on Windows, macOS, and Chrome OS. In recent months, we added text autofill, control over address bar URLs and routing, and PWA manifests. We’ve been extending Flutter to offer the best of the web platform. Flutter Plasma, a demo built by community member Felix Blaschke, showcases the ease of building sophisticated web graphics experiences with Dart and Flutter that can also run natively on desktop or mobile devices. In the last months, as we prepared for the stable release of web support, we made lots of progress on performance optimization, adding a new CanvasKit-powered rendering engine built with WebAssembly. Bringing existing Flutter mobile apps to the web, enabling shared code for both experiences.Single page apps (SPAs) that load once and transmit data to and from internet services.Progressive web apps (PWAs) that combine the web’s reach with the capabilities of a desktop app.This initial release focuses on three app scenarios in particular:
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Flutter’s web support builds on these innovations, offering an app-centric framework that takes full advantage of all that the modern web has to offer. But the web platform has evolved to encompass richer platform APIs that enable highly sophisticated apps with hardware-accelerated 2D and 3D graphics and flexible layout and paint APIs. The early foundation of the web was document-centric. Perhaps the single largest announcement in Flutter 2 is production-quality support for the web. Google Pay also reports that their engineers are far more efficient, with a huge reduction in technical debt and unified release processes such as security reviews and experimentation across both iOS and Android. By unifying the codebase, the team removed feature disparity between platforms and eliminated over half a million lines of code.
Google Pay switched to Flutter a few months ago for their flagship mobile app, and they already achieved major gains in productivity and quality.
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