For the first time we now also offer ARM64 builds for devices that boot with UEFI. This means you'll be able to run OS 8.1 on M-series Apple Silicon and devices where you can load UEFI-supporting firmware like Raspberry Pi. This version of Linux also supports certain Qualcomm and Rockchip processors, for example
Many notebooks and tablets now ship with displays that aren’t quite HiDPI, but are more pixel dense than traditional displays. In OS 8.1, we now support fractional display scaling in the Secure Session