What's new/update?

  • Linux Kernel 5.4
  • Faster boot speeds (compressed by lz4)
  • OEM logo displayed during boot
  • Improved appearance
  • Dark theme
  • Fractional scaling setting
  • Ships with GNOME 3.36
  • Redesigned login screen
  • New lock screen
  • Snap-based Ubuntu Software app
  • Improved GNOME Shell performance
  • Refined ZFS install support
  • Game mode added to the archives
  • Build-in version: glibc 2.31, OpenJDK 11, rustc 1.41, GCC 9.3, Python 3.8.2, php 7.4, perl 5.30, golang 1.13, GNOME 3.36, Firefox 75.0, Thunderbird 68.7.0, LibreOffice 6.4

More detail: https://www.omgubuntu.co.uk/2019/10/ubuntu-20-04-release-features