Microsoft has released a new update for Windows 11 on the Dev Channel. The latest build, rolling out as "Windows 11 Insider Preview Build 22538", adds a few improvements and a bunch of fixes that include the explorer.exe crashes when using the hardware volume controls.
If you are a Windows Insider on the Dev Channel, you would like to upgrade to this build. You can find below the list of new features and fixes part of Windows 11 Dev Preview Build 22538.