C Sdk
The latest C Sdk coverage — news, analysis, and updates from the WindowsNews.AI desk.
WSL Kernel 6.18.35.1 Drops June 12, Fixes 4GB virtio-fs Write Errors
Microsoft's WSL Kernel 6.18.35.1, released June 12, 2026, merges upstream Linux 6.18.35 and includes a targeted virtio-fs fix that eliminates file write failures and I/O errors when working with files larger than 4 GB across the Windows–Linux filesystem boundary. The update also corrects a DMA mapping bug that caused intermittent I/O faults under heavy workloads, improving stability for container builds, data pipelines, and game development workflows.
Microsoft Tests Unified Windows 11 Update to Slash Monthly Restarts to One in Insider Build 26300.8687
Microsoft is testing a unified Windows Update experience in Insider Build 26300.8687 that coordinates driver, .NET, firmware, and monthly quality updates to require a single restart per month. The experimental change aims to reduce downtime, simplify IT maintenance, and improve user experience, though challenges around update bundling and compatibility remain.
PowerToys 0.100 drops June 9 with rebuilt Shortcut Guide and .NET 10 migration.
Microsoft released PowerToys 0.100 on June 9, 2026, featuring a rebuilt Shortcut Guide, a new Extension Gallery for Command Palette, multi-monitor support for the Dock utility, and reliability improvements for Power Display. The update also migrates the suite to .NET 10, enhancing performance and future compatibility. Users can download the update from GitHub or the Microsoft Store.
Fix Windows 11 App Install and Uninstall Failures: 7 Official Fixes
This comprehensive guide details every official method to fix Windows 11 apps that won't install, uninstall, update, or launch. It covers the Settings Repair and Reset buttons, the Program Install and Uninstall troubleshooter, Microsoft Store cache reset, PowerShell re-registration, SFC/DISM system file repair, and an in-place upgrade repair as a last resort.
Coreutils for Windows: Handy for Quick Tasks, but WSL Still Reigns
Microsoft has released a native WinGet package of GNU-style Coreutils for Windows, providing familiar Unix tools like ls and grep without WSL. While it fills a niche for quick tasks and cross-platform scripting, it falls short of a full Linux environment, and WSL remains the superior choice for development workloads.
Windows 11 Build 2026: Coreutils, WSL Containers, Intelligent Terminal, and Developer Configurations Redefine the Dev Experience
Microsoft unveiled four transformative developer tools at Build 2026: Coreutils for Windows brings native GNU utilities, WSL Containers deeply integrates Linux containers, Intelligent Terminal adds on-device AI to the command line, and Windows Developer Configurations allows one-click environment setup. Together, these features position Windows 11 as a premier development platform for modern, cross-platform workloads.
OfflineInsiderEnroll 2.6.6 Lets Local Windows 11 PCs Join New Experimental Insider Rings
OfflineInsiderEnroll 2.6.6 enables Windows 11 users with local accounts to join Microsoft's newly introduced experimental Insider channels. The PowerShell script automates registry tweaks to bypass the Microsoft account requirement, providing access to builds that are otherwise invisible to the public. Though powerful, it comes with severe risks including instability and data loss, and is intended only for testing on non-critical hardware.
Microsoft Opens WinUI Phase 4 and Launches UI Reactor in June 2026
Microsoft plans to move WinUI development to public repositories in June 2026, alongside the introduction of Microsoft UI Reactor, an experimental open-source C# framework for native Windows 11 apps. This 'trust reset' aims to rebuild developer confidence by increasing transparency and offering a modern, declarative alternative to XAML.
Build 2026: Microsoft Unveils Developer-Optimized Windows 11 and New Surface Dev Hardware
At Build 2026, Microsoft introduced a developer-optimized Windows 11 configuration focused on reducing distractions and boosting performance for coding tasks. The announcement was accompanied by new hardware, including the Surface Laptop Ultra and the AI-focused Surface RTX Spark Dev Box, signaling a serious commitment to winning over developers with streamlined toolchains and deep ARM64 support.
Microsoft Coreutils for Windows now installs 100+ Unix commands via WinGet
Microsoft has launched Coreutils for Windows, a native set of Unix command-line utilities installable via WinGet, announced at Build 2026. This eliminates the need for WSL or third-party tools, offering over 100 commands that integrate seamlessly with Windows Terminal and existing workflows.
Microsoft Declares WinUI the Unified Native Platform for All Modern Windows Apps
At Build 2026, Microsoft declared WinUI the native production platform for modern Windows apps, promising long-term stability, significantly reduced memory usage, and a wealth of new controls. The move unifies Windows development after years of fragmentation, with comprehensive migration tools for WPF, Windows Forms, and UWP apps.
Microsoft Unveils Coreutils for Windows: Native Unix Commands via WinGet with Rust Power
Microsoft announced Coreutils for Windows at Build 2026, delivering over 100 native Windows builds of Unix command-line utilities based on the Rust uutils project. Available via winget with a single install command, the tools offer memory safety, high performance, and seamless NTFS integration, eliminating the need for WSL or third-party ports for basic shell tasks.
Windows 11 Bluetooth Not Working? Try These 7 Fixes in 2026 (From Quick Checks to Driver Repairs)
Windows 11 Bluetooth failures in 2026 can be resolved by systematically checking the Quick Settings toggle, Airplane mode, running the Bluetooth troubleshooter, re-pairing devices, restarting services, and updating or reinstalling drivers. When basic fixes fail, clearing the Bluetooth stack via PowerShell or a repair-install of Windows usually restores functionality. For persistent hardware errors, a Bluetooth 5.4 USB dongle offers a quick, affordable bypass.