Microsoft has released a build 22000.282 (KB5006746) as an optional update before its release with Patch Tuesday. The update has many changes, notably, the L3 cache issue on Ryzen.
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Build 22000.282 RSS
If you are using Windows 11 as a Windows Insider and in the Beta Channel, then you will be able to enroll in the Android apps on Windows 11 Preview. It's not available for Dev or the consumer version.
The Windows 11 Insider build 22000.282 carries a patch that claimed to fix the poor L3 performance for Ryzen CPUs. AIDA64 tests have confirmed today that the patch indeed works as it says.
Microsoft has released the latest Windows Insider Beta and Release Preview channels build version 22000.282. Most notably, it fixes AMD's Ryzen L3 performance issue and has a ton of other changes too.