1. Microsoft has released Windows 10 Build 19045.4955 to the Beta and Release Preview Channels, aimed at Insiders using version 22H2. This update includes various improvements such as adjustments to Microsoft Entra single sign-on prompts, fixes for Internet Explorer mode in Edge, and updates to media playback and File Explorer functionality.2.

Windows 10 Build 19045.4955: What’s New?
On September 16, 2024, Microsoft announced the release of Windows 10 Build 19045.4955 to both the Beta and Release Preview Channels. This update targets users on Windows 10, version 22H2. Notably, both channels will receive identical builds, allowing Insiders to experience new features before they reach the broader audience.
Major Updates
This build introduces several important features and improvements. One significant update involves Microsoft Entra single sign-on (SSO). The European Digital Markets Act (DMA) mandates more frequent prompts during authentication using certificates. This change aims to streamline user experience.
Another noteworthy update addresses Internet Explorer (IE) mode in Microsoft Edge. Users may notice that Edge sometimes becomes unresponsive while using IE mode. Microsoft is actively working on a fix for this issue.
Additionally, the update includes enhancements to Country and Operator Settings Asset (COSA). COSA profiles have been updated for specific mobile operators, improving connectivity options for users.
Other Important Changes
Media playback has also seen improvements. Some users reported that playback would stop when using certain surround sound technologies. This update aims to resolve those interruptions.
Moreover, issues with File Explorer and the taskbar have been addressed. Users may have experienced system freezes when utilizing these applications. The latest build aims to enhance overall stability.
Windows Update notifications are now more user-friendly. Opt-in notifications will appear upon signing in, ensuring users stay informed about important updates.
“This update includes several important features and improvements for Windows Insiders in both the Beta and Release Preview Channels.”
Lastly, directory enumeration may fail if a directory contains symbolic links with long target names. This is a technical detail that developers should be aware of.
Conclusion
In summary, Windows 10 Build 19045.4955 brings a variety of enhancements and fixes. Users in the Beta and Release Preview Channels can look forward to a smoother experience. As always, Microsoft continues to refine Windows 10, ensuring it meets the needs of its users.
“The Beta Channel is where we will try new features out with Insiders that we’re working on.”“`
From the Windows Blog