What are the new upgrades in the latest release of Dart 2.8?

App Development

The release of a new version of Dart goes hand-in-hand with an updated edition of Flutter. This is because of the close association between these two Application Development tools. Google launched two stable releases together this May 2020; Dart 2.8 and Flutter 1.17.

Introduction

Dart is officially the programming language behind Flutter. Both these Development tools are the brainchildren of Google. Dart SDK is known for being a Client-Optimised, C-Style language used for developing Cross-Platform Apps. It is a class-based, object-oriented, and garbage-collected language used for compiling Native codes along with JavaScript. Developers employ Dart for Mobile, Web, as well as Desktop Applications. Dart has witnessed a remarkable journey since its first version 1.0 that released in 2013 to the latest 2.8 SDK that released this year. Dart is known for its rapid and predictable native code, which makes it the best for Flutter projects.

Why is Dart the best programming language for Flutter projects?

Dart is the official programming language for Flutter SDK, which is used for creating multi-platform apps. In fact, Dart is one of the reasons that make Developers desire working with Flutter.

  • Dart enables simplified programming of applications. The language is designed to be scalable, which makes most general programming activities effortless.
  • Both Dart and Flutter are the initiatives of tech-giant Google. They work co-dependently to enable the development of cutting-edge apps. 
  • Dart has a robust backing of various Development tools and libraries along with a strong community network. With Dart’s efficacy. Flutter Developers can work smoothly on large applications.
  • With Dart, one can build high quality, real-time applications as it provides much-needed stability. It supports different interfaces, inheritance, and features.

Beneficial Advancements in Dart 2.8 that App Developers must know!

Let us now delve into the various updates that have been implanted in the latest release of Dart. Surely, Dart 2.8 has some significant improvements, which make it more fitting for the new Flutter 1.17. Here is a look at the top advances in the new Dart 2.8, followed by an elaborate analysis.

Pub Tool Performance Enhancements
Better Management of Dependencies with pub outdated
An Impressive Package Ecosystem
Higher Support for Null Safety

  1. Pub Tool Performance Enhancements
    The Dart team has honed the functioning of the Pub Tool by building the facility to support the parallel fetching of various packages by running the relevant commands. The total execution time in the new version of Flutter 1.17 has reduced to 2.5 seconds from the previous 6.5 seconds found in the older version. This reduction can be observed while using the “flutter pub get” function on new Flutter projects performed using the “flutter create.” In more significant projects for high-end apps, the execution time has gone down to 3 seconds in contrast to the 15 seconds in previous versions. This will help in reducing the overall development time for Flutter Apps.
  2. Better Management of Dependencies with pub outdated
    Another Notable improvement while using the Pub Tools is the use of pub outdated command, which supports version discovery and lets developers know that new versions of pub.dev are available. Now automatic updating to new versions is also possible without version constraints. The pub outdated reports the user whether all his package dependencies are renewed or not.

    Another Notable improvement while using the Pub Tools is the use of pub outdated command, which supports version discovery and lets developers know that new versions of pub.dev are available. Now automatic updating to new versions is also possible without version constraints. The pub outdated reports the user whether all his package dependencies are renewed or not.

    Another Notable improvement while using the Pub Tools is the use of pub outdated command, which supports version discovery and lets developers know that new versions of pub.dev are available. Now automatic updating to new versions is also possible without version constraints. The pub outdated reports the user whether all his package dependencies are renewed or not.
  3. An Impressive Package Ecosystem
    Dart has an efficient package manager along with the pool of packages through the pub.dev website. The main aim of this website is to provide package creators the platform to deliver diverse, high-quality packages and then help Application developers to find their perfect fit. Pub.dev is a family of more than 10,000 packages that act as a viable Package ecosystem for Flutter and Dart users. The new release has brought a prompter performance capability while fetching packages from the pub.dev package repository. The innovative apps need loads of packages. With the aid of pub outdated as discussed above, the process to get the user’s dependencies updated has immensely simplified.
  4. Higher Support for Null Safety
    App Developers want to avoid the phenomenon of App crashing, which is often caused by the code that makes use of a null variable. Null Values are considered useful in specific scenarios, but they may create issues in the smooth running of your application, where separating these null values is difficult. The new Dart 2.8 focuses on improving the Null Safety ability. There are Improvements made in the Dart type system. This function will provide support to the type system to enable it to express a non-nullable variable and allow a sound working type system. The Dart compilers and runtimes will be able to create better codes where the type system concludes that a variable is not null. Changes to some core Dart Libraries have been carried out to ensure superior nullability related functioning.

Conclusion

This year the App Development Industry may not have witnessed the launch of the Google I/O event in 2020 due to the Corona Pandemic. However, the stable releases of Flutter 1.17 and Dart 2.8 in May do make the developer community hopeful. The Dart 2.8 updates, which we discussed above, will surely help create a more conducive development environment for Application Creators.

Sysbunny developers are excited about the new learnings awaiting them with these releases. We have already developed an insight into the different upgrades to create supreme quality apps for our customers.

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