Windows 11 Insider Preview Build 26300.7939: What’s New in the Dev Channel

Microsoft has rolled out Windows 11 Insider Preview Build 26300.7939 to the Dev Channel, introducing fresh features, performance improvements, and enhanced accessibility options. If you’re an Insider, here’s everything you need to know about this update.

Feature

 

Enhanced Batch File Security

The update strengthens batch file security, giving administrators more control over how CMD scripts and batch files are executed. This reduces risks from malicious scripts and improves system reliability.

 

Shared Bluetooth Audio

With shared audio, Bluetooth LE Audio now supports independent volume sliders for each listener. Two users can share audio seamlessly without interfering with each other’s listening experience.

 

Accessibility Upgrades with Narrator

Microsoft continues to refine accessibility tools. The Narrator has been improved for smoother navigation, better responsiveness, and more reliable screen reading.

 

Device Info Expansion

The Device info section in Settings now includes GPU and storage details, making it easier for users to monitor hardware performance and troubleshoot issues.

 

System Reliability Improvements

This build also delivers system reliability updates, including fixes for Windows Update and core system functions, ensuring a smoother overall experience.

Quick Feature Overview