Canonical has released Ubuntu 21.10 with the Linux 5.13 kernel and GNOME 40. Firefox is now packaged as a snap that's managed directly by Mozilla and Canonical so updates should arrive quicker.
Windows 10 November Update out for Release Preview, ISO also available
windows 10 21h2
Build 22000.282 fixes for Ryzen L3 cache performance issue, and more
windows 11 insider preview
Ubuntu 21.10 RSS
Testing of Windows Subsystem for Linux 2 (WSL 2) on Windows 11 shows competitive performance against Ubuntu 21.10 and Ubuntu 20.04 LTS. But, it also loses by a lot under certain scenarios.
Ubuntu's upcoming 21.10 distro is far ahead of Windows 10 and 11 in performance in some of the applications as per a report. The performance is especially impressive in CPUs-intense workloads.