It\u2019s a great time to check out the latest .NET 9 Preview! We just shipped our sixth preview release, adding to some great features in the previous previews with major enhancements across the .NET Runtime, SDK, libraries, C#, and frameworks including ASP.NET Core, Blazor, and .NET MAUI. Check out the full release notes linked below and get started today.<\/p>\n\n
This release contains the following improvements:<\/p>\n
Libraries:<\/strong><\/p>\n Improvements to System.Numerics<\/a> Runtime:<\/strong><\/p>\n ARM64 Code Generation<\/a> SDK<\/strong><\/p>\n NuGetAudit now raises warnings for vulnerabilities in transitive dependencies<\/a> You can find detailed release notes for additional features in .NET 9 Preview 6 below:<\/p>\n Partial properties<\/a> Fingerprinting of static web assets<\/a> Full release notes<\/a><\/p>\n To get started with .NET 9, install the .NET 9 SDK<\/a>.<\/p>\n If you\u2019re on Windows using Visual Studio, we recommend installing the latest Visual Studio 2022 preview<\/a>, or get started with Visual Studio Code and the C# Dev Kit<\/a> extension.<\/p>\n The team has been making monthly announcements<\/a> alongside full release notes<\/a> on the dotnet\/core GitHub Discussions<\/a> and has seen great engagement and feedback from the community. We will continue to post each new release on GitHub, but as we get closer to launch this November alongside .NET Conf 2024 (save the date today!)<\/a>, we wanted to cross-post our release details on the .NET blog. <\/p>\n Discuss this release with the product teams on GitHub through the GitHub discussion announcement for this release.<\/p>\n .NET 9 Preview 6 Discussion<\/a> You can stay up-to-date with all the features of .NET 9 with:<\/p>\n What\u2019s new in .NET 9<\/a> Additionally, be sure to subscribe to the GitHub Discussions RSS news feed<\/a> for all release announcements. <\/p>\n We want your feedback, so head over to the .NET 9 Preview 6 GitHub Discussion<\/a> to discuss features and give feedback for this release.<\/p>\n The post .NET 9 Preview 6 is now available!<\/a> appeared first on .NET Blog<\/a>.<\/p>","protected":false},"excerpt":{"rendered":" It\u2019s a great time to check out the latest .NET 9 Preview! 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\nSupport Primary Constructors in Logging Source Generator<\/a>
\nSystem.Text.Json Improvements<\/a>
\n[GeneratedRegex] on properties<\/a>
\nRegex.EnumerateSplits<\/a>
\nOrderedDictionary<TKey, TValue><\/a>
\nReadOnlySet<T><\/a>
\nallows ref struct used in many places throughout the libraries<\/a>
\nCollection lookups with spans<\/a>
\nMore span-based APIs<\/a>
\nBase64Url<\/a>
\nSocketsHttpHandler by default in HttpClientFactory<\/a>
\nTLS resume with client certificates on Linux<\/a>
\nSystem.Net.ServerSentEvents<\/a>
\nIntroducing the Metrics Gauge Instrument<\/a>
\nFull release notes<\/a><\/p>\n
\nCode Layout<\/a>
\nLoop Optimizations<\/a>
\nReduced Address Exposure<\/a>
\nAVX10v1 Support<\/a>
\nHardware Intrinsic Code Generation<\/a>
\nConstant Folding for Floating Point and SIMD Operations<\/a>
\nFull release notes<\/a><\/p>\n
\ndotnet nuget why<\/a>
\nMSBuild BuildChecks<\/a>
\nFull release notes<\/a><\/p>\nC#<\/h2>\n
\nFull release notes<\/a><\/p>\nASP.NET Core<\/h2>\n
\nImproved distributed tracing for SignalR<\/a>
\nEnhancements to Microsoft.AspNetCore.OpenAPI<\/a>
\nAnalyzer to warn when [Authorize] is overridden by [AllowAnymous]<\/a>
\nComponentPlatform renamed to RendererInfo<\/a>
\nSplit large HTTP\/2 headers across frames<\/a>
\nFull release notes<\/a><\/p>\n.NET MAUI<\/h2>\n
Get started<\/h2>\n
Team Announcements & Discussions<\/h2>\n
\n.NET Libraries & Runtime Discussion<\/a>
\n.NET MAUI Discussion<\/a>
\nASP.NET Core Discussion<\/a><\/p>\nStay up to date with .NET 9<\/h2>\n
\nWhat\u2019s new in C# 13<\/a>
\nWhat\u2019s new in ASP.NET Core<\/a>
\nWhat\u2019s new in .NET MAUI<\/a>
\nWhat\u2019s new in EF Core<\/a>
\nBreaking Changes in .NET 9<\/a>
\n.NET 9 Releases<\/a><\/p>\n