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Aspire 13 Delivers Multi-Language Support and Significant Enhancements Across the Platform
Aspire 13 has been released as a major milestone in the platform's evolution. As reported by the team, Aspire is no longer branded as “.NET Aspire” and is now positioned as a full polyglot application platform. According to the announcement, version 13 brings first-class support for Python and JavaScript alongside existing .NET capabilities, marking a significant shift forward.
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Uno Platform 6.4 and Uno Platform Studio 2.0: .NET 10, VS2026 and Agentic AI
The Uno Platform team has simultaneously rolled out two significant updates: version 6.4 of the platform framework and version 2.0 of its premium tooling, Uno Platform Studio. Released on November 11th, 2025, these updates bring official support for .NET 10 and Visual Studio 2026, along with a new era of AI‑assisted, ‘agentic’ development features.
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F# 10 Brings Performance Improvements
The release of .NET 10 brings with it F# version 10. It’s a refinement‑focused update that enhances the language’s ergonomics, improves performance, and optimises compiler behaviour for everyday functional development.
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.NET 10 Improves MAUI Quality and Performance
At the launch of .NET 10, .NET MAUI receives a suite of updates focused on quality, performance and developer productivity. While no new big UI changes are there, the enhancements fill in missing details in cross‑platform workflows and refine long‑standing platform behaviour issues.
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.NET 10 Officially Released with Major Performance, AI, and Developer Experience Improvements
Microsoft announced the general availability of .NET 10, describing it as the most productive, modern, secure, and high-performance version of the platform to date. As stated by the company, the release is the result of a year-long effort involving thousands of contributors. It includes improvements across the runtime, libraries, languages, tools, frameworks, and workloads.
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Microsoft Patches Critical ASP.NET Core Vulnerability with 9.9 Severity Score
Microsoft recently released a security advisory and patched a critical vulnerability in ASP.NET Core that allows an attacker to bypass a security feature over a network due to an inconsistent interpretation of HTTP requests. With a CVSS score of 9.9 out of 10, CVE-2025-55315 is the highest-rated Microsoft vulnerability.
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Dev Proxy v1.3.0: HAR File Generation, LLM Usage Tracking, and Enhanced API Testing Feature
Dev Proxy v1.3.0 has been released, introducing several new features aimed at improving debugging, testing, and API monitoring. The update includes two new plugins, HAR file generation for standardized network tracing and OpenAI usage tracking for better visibility into AI-related costs, along with enhancements to permissions analysis, OpenAPI specification generation, and overall stability.
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New NuGet.org Sponsorship Feature Enables Developers to Support Package Authors
Microsoft has announced a new Sponsorship feature on NuGet.org, designed to help package maintainers receive direct financial support from the community. As stated in the official announcement, the goal is to “make it easier than ever for consumers to recognize and support the authors behind their favorite packages,” while strengthening the overall .NET ecosystem.
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MCP Support in Visual Studio Reaches General Availability
Microsoft announced in August 2025 that support for the Model Context Protocol (MCP) is generally available in Visual Studio. MCP enables AI agents within Visual Studio to connect to external tools and services via a consistent protocol.
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Uno Platform 6.3 Adds .NET 10 Preview Support and VS 2026 Readiness
The team behind Uno Platform released version 6.3 of the cross‑platform .NET UI framework, aimed at developers targeting mobile, desktop and WebAssembly using C# and XAML. The update includes early support for .NET 10 (RC1), compatibility with Visual Studio 2026’s new .slnx format, enhanced WebAssembly image‐decoding performance and other refinements.
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.NET 10 Release Candidate 2: Finalizes SDK, MAUI Stabilization, and MSBuild Enhancements ahead of GA
Microsoft has released .NET 10 Release Candidate 2, the final pre-release build before general availability. As reported by the .NET team, RC 2 ships with a go-live support license, enabling production deployment while allowing developers to validate the platform ahead of its official release. The build is supported in Visual Studio 2026 Insiders and Visual Studio Code with the C# Dev Kit.
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Data API Builder 1.6 Adds HTTP Header Controls and Flexible Logging
Microsoft has released Data API Builder (DAB) 1.6, expanding the open-source runtime’s capabilities for REST and GraphQL endpoints over Azure SQL, PostgreSQL, MySQL, and Cosmos DB. The new version introduces advanced HTTP header behaviours for better client-side control and a revamped logging subsystem designed to improve diagnostics and observability in both cloud and on-premise deployments.
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Microsoft Announces Open-Source Agent Framework to Simplify AI Agent Development
Microsoft has announced the preview release of Microsoft Agent Framework, an open-source software development kit designed to simplify the creation and deployment of artificial intelligence agents for developers across all skill levels, as reported in official blog posts from the company's development teams.
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VS Code MSSQL Extension v1.35 Brings Schema Compare, Designer and Local Containers to GA
Microsoft’s August 2025 release of the MSSQL extension for VS Code finalises three flagship features that were previously in preview: Schema Compare, Schema Designer and Local SQL Server Container. Version 1.35 promotes these capabilities to general availability (GA) and delivers usability and performance improvements across the extension.
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.NET MAUI RC1 Brings Diagnostics and Experimental Android CoreCLR Support
Microsoft has delivered the first release candidate (RC1) of .NET 10 along with go‑live support, indicating that the company considers the framework ready for production use. The RC1 notes focus on observability improvements, tweaks to existing controls and an experimental new runtime option for Android.