Although Windows 11 currently supports different refresh rates on different monitors, this update sounds like it's designed to assist with two monitors higher than 60Hz being used simultaneously ...

Windows 11, the newest version of Microsoft ’s OS, offers improved performance, enhanced reliability and increased security, delivering a better experience for end users and reducing the burden on IT ...

Microsoft wants to make Windows 11 more friendly to high-refresh-rate monitors. The latest Canary build, introduces a set of improvements to allow better efficiency and different refresh rate support.