Windows 11 has released a new preview build in the Beta channel, identified as build 26120.3872, which includes enhancements for accessibility and search functionality, particularly for Copilot+ PCs powered by Snapdragon processors. The update introduces Microsoft's 'Reading Coach' app, available for free starting in 2024, as part of the Click to Do functionality that uses AI for context-sensitive actions. Additionally, Voice Access has been improved, allowing users to customize the system's dictionary by adding specific words for better recognition. The update also includes various tweaks to enhance overall functionality, with a focus on expanding access to these features across different devices.