The primary feature introduced in (released in October 2021) is the "Extended" Windows 11 Installation support .
Rufus uses GRUB to boot various Linux ISOs in Legacy mode. This beta updates the internal GRUB version to 2.04, adding support for newer distributions like Ubuntu 20.10 and Fedora 33 that dropped older GRUB configurations. Rufus 3.16 Build 1833 Beta
Improved ISO mode support for Red Hat 8.2 and later, BIOS boot support for Arch Linux derivatives, and fixed issues with boot entries for Ubuntu derivatives. UEFI Shell Downloads: Added the ability to download UEFI Shell ISOs through FIDO. Bug Fixes: The primary feature introduced in (released in October
If you still maintain Windows 7 or Windows 8.1 machines, is actually more useful than newer releases, since later versions stripped out legacy code. Rufus 3.16 Build 1833 Beta