Ubuntu 20.10 is the first Ubuntu release to feature desktop images for the Raspberry Pi 4. Nftables is now the default backend for the firewall. Ubuntu 20.10 comes with refreshed state-of-the-art toolchain including new upstream releases of glibc 2.32, OpenJDK 11, rustc 1.41, GCC 10, LLVM 11, Python 3.8.6, ruby 2.7.0, php 7.4.9, perl 5.30, golang 1.13. Active State Power Management (ASPM) for improved power savings of PCIe-to-PCI devices.General Notification Queue for key/keyring notification, mount changes, etc.Thermal pressure tracking for systems for better task placement wrt CPU core.Initial support for AMD Family 19h (Zen 3).Intel Gen11 (Ice Lake) and Gen12 (Tiger Lake) graphics support.X86 Enable 5-level paging support by default.USB 4 (Thunderbolt 3 protocol) support added.Btrfs RAID1 with 3 and 4 copies and more checksum alternatives.Airtime Queue limits for better WiFi connection quality.This includes numerous updates and added support since the 5.4 Linux kernel released in Ubuntu 20.04 LTS. Ubuntu 20.10 includes the 5.8 Linux kernel. New features in 20.10 Updated Packages Linux kernel
If you need Long Term Support, it is recommended you use Ubuntu 20.04 LTS instead. Ubuntu 20.10 will be supported for 9 months until July 2021. These release notes for Ubuntu 20.10 (Groovy Gorilla) provide an overview of the release and document the known issues with Ubuntu and its flavours. Opinion: I QA-tested 18.Groovy Gorilla Release Notes Introduction I386 was only finally disabled in beta stage of eoan or 19.10. If a 19.04 alpha ISO was installed it received updates the life of 19.04. Ubuntu Desktop didn't make much sense with 18.04 as few i386 machines met the minimum system requirements flavors made more sense & they were produced for 18.04 with two flavors (Lubuntu & Xubuntu) also producing & released 18.10, and continued into the 19.04 development cycle. Ubuntu 18.04 LTS ISOs were produced (including flavors), just no desktop ISO, but you could use another ISO & add the desktop as Ubuntu Desktop was fully supported in 18.04 just no i386 Desktop ISO produced. Ubuntu produced i386 ISOs into the disco (19.04) cycle which was well past artful or 17.10 it's just that fewer ISO options were provided eg. It allows you to install Ubuntu Desktop 18.04 LTS, though you need to ensure your machine meets the Minimum System Requirements is an example of an 18.04 i386 Ubuntu ISO. The only supported i386 release is Ubuntu 18.04 LTS.
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