What's new in .NET 8? - New Features Unveiled
Tags: dotnet, webdev, programming, tutorial
Published: 2023-10-20 08:19:34

DOT NET is a prominent platform for [custom software development](https://www.ifourtechnolab.com/custom-software-development-company) chosen mostly by large-scale IT giants. According to statistics, there are more than 307,590 developers working in the United States, and the number is growing every day. These figures effectively shed light on the .NET framework's excellent future possibilities.

Microsoft has launched various versions, the finest of which is .NET Core. It includes various improvements over earlier versions and the [major distinction between .NET MVC and .NET Core](https://www.ifourtechnolab.com/blog/differences-between-asp-net-and-asp-net-core-asp-net-vs-asp-net-core)

DOTNET 8 is the latest version released in November 2023. It has been designated as an LTS version and will continue to receive community support and bug fixes for at least three years. This blog will delve into the new features and improvements in .NET 8.

However, it's important to note that performance improvements in .NET 8 are not limited to the areas mentioned here. The .NET team is working continuously on optimizing frameworks, tools, and performance ensuring that developers can build scalable applications across multiple platforms.

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## What are the performance improvements introduced in .NET 8?

In .NET 8, several performance improvements have been introduced that enhance application responsiveness and speed, to provide seamless user experience. Here's a look at some of the new features in .NET 8.

- Enhanced route constraints offer improved performance.
- New API development analyzers handle synchronization exceptions in Blazor.
- Context hot reload in Web Assembly enables support for .NET instance fields, properties, and events.
- Symbol servers now support .NET Web Assembly debugging.
- Blazor Firefox experimental Webcil format facilitates debugging of .NET assemblies and Web Assembly.
- Specify the initial Blazor WebView URL for loading.
- Maintain the operation of the SPA development server with a new choice.
- Kestrel now supports named pipes.
- gRPC supports HTTP/2 over TLS (HTTPS) on macOS with HTTP/3 enabled by default, eliminating the need for annotations and http.proto for JSON transcoding.proto.
- Utilize the HubConnectionBuilder IP Network to specify server timeout and stay alive interval parameters.
- Config support was added for parsing HTTP PORTS and HTTPS PORTS.
- Notify users when certain HTTP protocols are not being used.

These improvements aim to optimize various aspects of the .NET ecosystem, allowing applications to perform better and deliver a smoother user experience.

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![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/zwgas8j18ijba5dug1i1.png)

## New features of .NET 8

.NET 8 brings new capabilities that not only boost website performance but also responsiveness in order to provide visitors with a more seamless user experience.

Let's explore some of the key performance enhancements in .NET 8:

### 1. JIT Compiler Enhancements
Generating machine code has made it easier to improve runtime execution using the JIT compiler (Just-in-Time). This will help with reduced overhead, improved runtime, and responsiveness to the application.

### 2. Garbage Collection Improvements
The garbage collection mechanism, memory management for allocation and deallocation, has endured enhancements in .NET 8. These improvements will benefit with:

- Reduced memory fragmentation
- Optimized garbage collection algorithms
- Better memory utilization
- Overall performance

### 3. Hardware Intrinsic Support
.NET 8 introduces enhanced support for hardware intrinsic, which are low-level instructions that can directly utilize specific processor features.

By leveraging hardware intrinsic, developers can write high-performance code that takes advantage of specialized CPU instructions, resulting in significant performance gains for compute-intensive operations.

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### 4. Async Improvements
Asynchronous programming has seen significant advancements with the release of DOTNET 8. As a core aspect of any modern app development, the async/await pattern will significantly improve the application's speed and responsiveness.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/jp54rp0zfknye6nthn7j.png)


### 5. Improved Caching Mechanisms
The new MemoryCache class, which enables fast in-memory caching for frequently requested data, is one of the new caching techniques introduced in.NET 8. These caching enhancements can reduce data retrieval and processing overhead dramatically, resulting in enhanced application performance.

### 6. Support for cloud-native applications
Support for cloud-native integration through the use of modern technologies has made an important contribution to .NET 8. It will enable developers to create unique and scalable software that takes full advantage of cloud technology.

- Containerization support
- Serverless computing
- Kubernetes integration
- Cloud storage and messaging integration
- Distributed tracing and monitoring
- Cloud-native tooling
- Infrastructure as Code (IaC) integration

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### 6. Support for cloud-native applications
.NET 8 provides improved performance profiling and diagnostic tools, empowering developers to identify and resolve performance bottlenecks more effectively. These tools offer insights into application behavior, resource consumption, and execution paths, enabling developers to optimize critical sections of their code and improve overall performance.

The entire process of upgrading to .NET 8 was made easier with the help of new tooling. Look at the following image, which depicts the migration stages for .NET 8.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/3x5j59yoe2ea88ypfw1h.png)

So, leveraging all of these performance improvements in .NET 8, developers can create applications that are more responsive, utilize system resources more efficiently, and provide a smoother user experience, ultimately benefiting both the end users and the organizations that rely on these applications.

### Routing equipment improvements in DOTNET 8
In .NET 8, the routing capabilities have been further improved, empowering developers to build robust and efficient web applications. The enhancements in the routing equipment component of .NET 8 bring benefits not only to developers but also to end-users, ensuring smooth navigation and accessibility.

### Enhanced Routing Performance
In .NET 8, the route equipment has undergone optimizations to improve routing performance. These optimizations help ensure that requests are processed swiftly, enabling web applications to handle a larger volume of traffic efficiently. This improvement is crucial in humanitarian scenarios where timely access to critical resources and information is of utmost importance.

### Localization and Internationalization Support
.NET 8 offers enhanced support for localization and internationalization in routing. This means that developers can easily define routes specific to different languages or regions, allowing applications to adapt to the cultural and linguistic preferences of users. In humanitarian scenarios, where applications often serve a diverse user base, localization support helps bridge language barriers and ensures that crucial information reaches individuals in their preferred language.

### Flexible Routing Configuration
.NET 8 offers more flexibility in configuring routes, making it easier for developers to define and manage complex routing scenarios. This flexibility allows humanitarian organizations to build applications that cater to various user needs, including different languages, regions, or specific user roles. With improved routing configuration, developers can create personalized experiences and provide targeted information to different user segments.

### Secure Routing Infrastructure
Security is a paramount concern in any application, especially when dealing with sensitive humanitarian data. In .NET 8, the routing equipment has been fortified with enhanced security features to protect against common web vulnerabilities, such as cross-site scripting (XSS) and cross-site request forgery (CSRF). These security improvements help safeguard critical data, ensuring the privacy and integrity of humanitarian information.

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### Route Resilience and Fault Tolerance
The route equipment in .NET 8 has been strengthened to handle fault tolerance and resilience. In humanitarian contexts, where the availability of services and information is vital, these improvements ensure that applications can recover gracefully from failures or unexpected disruptions. With enhanced resilience, organizations can maintain critical services and deliver uninterrupted support to individuals in need.

Using these .NET 8 Routing enhancements, you can design apps that are more responsive resulting in a better user experience.

## Conclusion
With remarkable changes, the arrival of DOT NET 8 has brought about a significant transformation in web development. We reviewed the [major features of .NET](https://www.ifourtechnolab.com/blog/brief-introduction-of-net-5-for-asp-net-developers) 8 in this blog, but it is essential to remember that performance gains in DOTNET 8 are not restricted to the areas described above. The .NET team is constantly optimizing the runtime, frameworks, and tools to ensure that developers can design high-performance applications in a variety of circumstances.