Improving .NET host error messages and supportability 

.NET support for Windows 7 and 8.1 will end in January 2023
Windows 7 and Windows 8.1 are currently supported with .NET 6. They will not be supported with .NET 7+. 

Clean up some .NET Clutter 

You can download 6.0.6 and 3.1.26 versions for Windows, macOS, and Linux, for x86, x64, Arm32, and Arm64.

• Installers and binaries: 6.0.6 | 3.1.26
• Release notes: 6.0.6 | 3.1.26
• Container images
• Linux packages: 6.0.6 | 3.1.26
• Release feedback/issue
• Known issues: 6.0 | 3.1  

It’s good to bet on .NET. Tech fads come and go but .NET remains… 

• Installers and binaries: 6.0.5 | 5.0.17 | 3.1.25
• Release notes: 6.0.5 | 5.0.17 | 3.1.25
• Container images
• Linux packages: 6.0.5 | 5.0.17 | 3.1.25
• Release feedback/issue
• Known issues: 6.0 | 5.0 | 3.1  

In addition to bug fixes and foundation work for larger features, this preview includes updates to ensure that converters and comparers are handled by type mapping and to support using converters with value generators.  

Here’s a summary of what’s new in this preview release:

• HTTP/2 performance improvements
• Typed results for minimal APIs
• OpenAPI improvements for minimal APIs
• Return multiple results types from minimal APIs
• Route groups
• Client results in SignalR
• gRPC JSON transcoding
• Project template option to use Program.Main method instead of top-level statements
• Rate limiting middleware 

The fourth preview of .NET 7 includes enhancements to observability in the .NET implementation of OpenTelemetry, the addition of properties to track microseconds and nanoseconds in date and time structures, new metrics for caching extensions, performance-boosting “on stack replacement,” APIs to work with .tar archives, and additional features as part of an ongoing effort to improve the performance of and add features to regular expressions in .NET 7.  

start experimenting with new features like:

• Native AOT
• Default GC regions
• ASP.NET Core startup time improvements