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What’s new in ASP.NET Core 3.1?

There are Razor sharp improvements in ASP.NET Core 3.1

· DotNet

ASP.NET is a popular web development framework. Microsoft has released the ASP.NET Core 3.1. Features such as Blazor improvement And Razor syntax have been added to the popular framework. Let’s discuss the distinguishing features of ASP.NET and the new features included in ASP.NET Core 3.1.

What’s new in ASP.NET Core 3.1

Features of ASP.NET Core 3.0

Supports MVC architecture

ASP.NET Core 3.0 supports MVC architecture, which makes the work of the developer easy. In the MVC, architecture, the web application is bifurcated into three logical components, Model, Controller, and View.

Every component handles separate development aspects of a web application. It helps the developers in focusing on one issue with ease and supports test-driven development. MVC architecture, ASP.NET Core 3.0 accords efficiency to the project. The developers have the freedom of building the app in their natural workflow with the testing being performed.

Easy to maintain

ASP.NET Core 3.0 empowers the coders by allowing them to build the application with a minimum amount of coding. With the framework requiring less coding, it is pretty easy to maintain the code.

Cross-platform capabilities

ASP.NET Core 3.0 provides cross-platform capabilities to the web applications developed in this framework. Thus using ASP.NET core, the developers can build applications that can run on Linux, Windows, Mac and mobile.

This functionality of ASP.NET Core 3.0 becomes handy when you are planning to launch your app on a global scale. There are many countries where a particular OS is more popular, and in some countries, the users depend more on Smartphones to browse the internet than desktops.

Thus when an application is multi-platform, the reach of the application is increased exponentially as it can cover users from all countries. Even if you are not planning to launch your web app globally, building it on ASP.NET core development services will provide you with the option of starting it on other platforms in the future.

The .NET framework was initially built only for windows, and its functionality was limited to the Windows platform. The framework has evolved and has included support for macOS and Linux. It gives the developers the freedom to switch the platform if a business requires them to do so.

A significant benefit of having a cross-platform framework is that the codebase is the same for multiple operating systems. This helps in eliminating the headache of developing, maintaining, testing and fixing the codebase for numerous operating systems.

Support for Cloud-Based Development

ASP.NET Core 3.0 is an ideal web development framework for cloud-based applications. The variety that ASP.NET core provides in development is truly amazing; you can build the mobile backend, IoT applications and other web applications using ASP.NET Core 3.0.


A project is usually built with fewer functionalities when it is first made, then you will need to add features as a project grows.

Now there are two approaches to add functions to a project. You can either re-invent the wheel or avoid using third-party libraries. Or you could add the functionalities easily by leveraging third-party libraries.

Most of the companies choose the second option because this is a much easier option. Using the second option, the developers can easily store the external assemblies in a root folder and use it as and when needed. These assemblies help developers when they are trying to set up a new development environment.

The problem that developers face is that they cannot be sure when they will get an updated version of the third-party assembly that they have added to their code. Even when an update is released, it is complicated, and while the new version solves some issues, it causes other problems like low backward compatibility.

Sometimes developers need to migrate the entire project to the latest version of the .NET framework. Developers often try to search the best third-party library on GitHub and other similar code repositories to find the most reliable library.

With Installation NuGet, the developers get a graphical user interface called the Package Management Console, which solves all the above problems. As it is a Microsoft Backed Library, the issue of updates and stability is resolved by developers at Microsoft.

Thus in ASP.NET Core 3.0, you can easily update and maintain your projects. This is possible because it contains NuGet packages, which allows the developers to add new functions to your existing packages easily. NuGet has further enhanced itself by allowing the developers to follow an opt-in model which gives the freedom to the developers to choose the specific features of the framework that they want to add in their project.

Extensible Output Caching     

This tool allows the developers to cache the results of a particular page quickly. The extensible output caching also comes up with the cached results in future requests. The data which is not updated regularly can be restored with ease using this tool.

The tool provides the freedom to the developers by enabling them to specify the specific time that will be required for caching the data. Extensible output caching allows the developers to call the cached data quickly without any hassle.

Well tested

ASP.NET 3.1 is well tested and many Microsoft teams are already deploying huge workloads on .NET Core 3.1 to test its capabilities. Microsoft has a history of testing its products on a large scale in-house before releasing it. ASP.NET 3.0 is a shining example of this strategy.

Microsoft tested ASP.NET 3.0 for months on and tested the framework to its limits before releasing it into the market.

The result is a well-tested product that is ready for production.

Improved performance

ASP.NET 3.0 has a vastly improved performance as compared to its predecessor. In the latest version the developers can target the flaws in code directly. This reduces the de-bugging time. High-performance JSON APIs help in improving the performance of the web app built in ASP.NET 3.0 as the JSON API minimizes allocations.

In ASP.NET 3.0, the garbage collector uses less memory by design, this helps in handling those scenarios wherein many applications are used simultaneously. Another major improvement in ASP.NET 3.0 is that the garbage collector is now updated to utilize more number of cores in machines having more than 64 cores.

In ASP.NET 3.0 Microsoft has hardened the .NET core to work better with Docker containers enabling the garbage collector to work in a better manner.

The new version, ASP.NET 3.0 supports ARM chips and Raspberry Pi, thus aiding in IoT app development.

Features of ASP.NET Core 3.1

Blazor Improvements

One of the most notable features of ASP.NET Core 3.1 is the improvements in the Blazor framework. What started as an experiment, Blazor has grown into a full-blown framework with which the developers can develop SPA applications using C#, CSS, and HTML.
Now the developers can build a SPA with the help of the Blazor framework without taking the support of JavaScript. Both client and server-side hosting models are provided in the Blazor framework.


The Razor syntax is a syntax that is included in the ASP.NET 3.1 enhances the capability of ASP.NET Core 3.1 by allowing it to embed server-code into a web page. The Razor syntax is a lightweight syntax that is easy to understand compared to the ASPX syntax.

Razor syntax is the crisp syntax, and it provides much better markup readability, and it provides the programmers with the feature of automatic encoding of HTML output. The Razor syntax allows novice programmers to leverage the power of ASP.NET by virtue of its simple syntax. The learning curve is substantially shortened with the help of Razor syntax. Using Razor syntax, the developers can build better websites by accessing the power of the .NET framework.

ASP.NET 3.1 is supported on various operating systems like macOS, Ubuntu, Fedora, RHEL, Debian and Windows Client. As ASP.NET 3.1 supports such a varied set of operating systems, your web application will have great versatility.

For more details, you can visit the following links

To wrap it up

To conclude, we would like to say that with ASP.NET 3.1, Microsoft has accorded some powerful features to the developers that in the near future would contribute heavily towards making the framework more popular.

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