Releasing Windows 10 Insider Preview Build 19041.264 to the Slow & Release Preview rings

Hello Windows Insiders, today we're releasing 20H1 Build 19041.264 (KB4556803) to Windows Insiders in the Slow and Release Preview rings. This Cumulative Update includes quality improvements. Key changes include: We have fixed a performance issue in Windows Mixed Reality (WMR) that prevents it from working correctly for many users.