--- title: Just released: MvcSiteMapProvider 3.1.0 RC | daily.dev description: MvcSiteMapProvider 3.1.0 RC has been published on CodePlex and NuGet, bundling .NET 3.5 and 4.0 assemblies into one package. The release notes highlight... canonical: https://daily.dev/posts/just-released-mvcsitemapprovider-3-1-0-rc-scogrs0nj twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Just released: MvcSiteMapProvider 3.1.0 RC | daily.dev og:description: MvcSiteMapProvider 3.1.0 RC has been published on CodePlex and NuGet, bundling .NET 3.5 and 4.0 assemblies into one package. The release notes highlight... og:url: https://daily.dev/posts/just-released-mvcsitemapprovider-3-1-0-rc-scogrs0nj og:image: https://api.daily.dev/og/posts/sCoGrs0nj.png og:image:alt: Just released: MvcSiteMapProvider 3.1.0 RC og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Just released: MvcSiteMapProvider 3.1.0 RC **[Maarten Balliauw](https://daily.dev/sources/maartenballiauw)** · 1 min read · 0 upvotes · 0 comments ## Summary MvcSiteMapProvider 3.1.0 RC has been published on CodePlex and NuGet, bundling .NET 3.5 and 4.0 assemblies into one package. The release notes highlight improved memory usage and performance, Medium Trust optimizations, faster DefaultControllerTypeResolver, authorize attribute resolution via FilterProviders.Current in MVC3, and a long list of bug fixes including NuGet packaging issues, breadcrumb display problems under heavy load, and null-checking errors. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What changed in MvcSiteMapProvider 3.1.0 RC compared to earlier versions? MvcSiteMapProvider 3.1.0 RC combines .NET 3.5 and .NET 4.0 assemblies into a single NuGet package and brings significantly improved memory usage and performance, Medium Trust optimizations, and a faster DefaultControllerTypeResolver. It also resolves authorize attributes through FilterProviders.Current in MVC3 and fixes numerous bugs, including NuGet web.config duplication and breadcrumb display errors under heavy load. _Developers upgrading sitemap handling in MVC apps can track library release notes like this on daily.dev._ ### Where can I download MvcSiteMapProvider 3.1.0 RC? MvcSiteMapProvider 3.1.0 RC is available both on CodePlex and NuGet, with NuGet being the easiest way to get the current bits since it now ships as a single package supporting both .NET 3.5 and .NET 4.0. _Anyone tracking ASP.NET MVC library releases can follow package updates like this on daily.dev._ ## Similar posts on daily.dev - [What's new for the Microsoft Fluent UI Blazor library 5.0 RC1](https://daily.dev/posts/what-s-new-for-the-microsoft-fluent-ui-blazor-library-5-0-rc1-9f2cnamhv) · We Are .NET · 0 upvotes · 0 comments - [AutoMapper 15.1 and MediatR 13.1 Released](https://daily.dev/posts/automapper-15-1-and-mediatr-13-1-released-z8hwzbjhf) · The Barley Architect · 3 upvotes · 1 comments - [ReSharper and Rider 2025.3.2 Updates Out Now\!](https://daily.dev/posts/resharper-and-rider-2025-3-2-updates-out-now--6ximwvrel) · JetBrains · 5 upvotes · 0 comments - [htmxRazor v2.0.0: Platform and DX - Chris Woody Woodruff](https://daily.dev/posts/htmxrazor-v2-0-0-platform-and-dx---chris-woody-woodruff-gyh7wczzb) · We Are .NET · 0 upvotes · 0 comments - [htmxRazor v1.4.0: SSE Streaming, Multi-step Wizard, and Optimistic UI - Chris Woody Woodruff](https://daily.dev/posts/htmxrazor-v1-4-0-sse-streaming-multi-step-wizard-and-optimistic-ui---chris-woody-woodruff-djatrl3bc) · We Are .NET · 20 upvotes · 0 comments --- Tags: [#aspnet](https://daily.dev/tags/aspnet), [#nuget](https://daily.dev/tags/nuget) [View this post on daily.dev](https://daily.dev/posts/just-released-mvcsitemapprovider-3-1-0-rc-scogrs0nj) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Just released: MvcSiteMapProvider 3.1.0 RC","url":"https://daily.dev/posts/just-released-mvcsitemapprovider-3-1-0-rc-scogrs0nj","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/just-released-mvcsitemapprovider-3-1-0-rc-scogrs0nj"},"datePublished":"2026-10-04T13:04:53.216Z","dateModified":"2026-10-15T02:22:38.929Z","description":"MvcSiteMapProvider 3.1.0 RC has been published on CodePlex and NuGet, bundling .NET 3.5 and 4.0 assemblies into one package. 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