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If you’re currently running an Insider Preview build of Windows 10 and are set to receive Fast Ring updates, you’ll be pleased to see that Microsoft has released Windows 10 Build 10525 today. As with all Windows 10 Insider Preview builds, there comes some new features and some known issues.

Windows 10 Build 10525 New Features

Updated color options:
We got a lot of feedback on the default color for Start, Acton Center, Taskbar, and Title bars and that you wanted to be able to change to reflect your preferences. This feature is now available (though still early) in build 10525 for you to try. This is off by default, but you can turn it on by toggling this (Settings > Personalization > Colors):

Memory Manager Improvements:
In Windows 10, we have added a new concept in the Memory Manager called a compression store, which is an in-memory collection of compressed pages. This means that when Memory Manager feels memory pressure, it will compress unused pages instead of writing them to disk. This reduces the amount of memory used per process, allowing Windows 10 to maintain more applications in physical memory at a time. This also helps provide better responsiveness across Windows 10. The compression store lives in the System process’s working set. Since the system process holds the store in memory, its working set grows larger exactly when memory is being made available for other processes. This is visible in Task Manager and the reason the System process appears to be consuming more memory than previous releases.

Windows 10 Build 10525 Known Issues

– Mobile hotspot doesn’t work in this build. When sharing the Internet from your device with mobile broadband using Mobile Hotspot, it will fail to get a valid IP address from your device and will show no internet access.

– An update to Movies & TV application from the Store will be required to fix an issue with video playback.

– Optional languages packs will not be available during the initial launch of this flight, it will be available later this week.

If these known issues are a deal breaker for you, then change your settings to receive Slow Ring updates or to manually receive Insider Preview updates to avoid getting Windows 10 Build 10525 today.