Ubuntu 22.04 LTS "Jammy Jellyfish" introduces twenty notable updates—including Wayland as the default display server, a light‑by‑default theme, a more compact desktop UI, improved icons, horizontal workspaces, revamped app launcher, dock tweaks, new accent colours, touch‑pad gestures, password‑protected zip handling, mic mute alerts, calendar events in the notification area, enhanced power options, battery‑percentage display, a clear restart option, refined keyboard shortcuts, multitasking settings, an interactive screenshot tool, a true dark mode, and Firefox now delivered as a Snap package—all aimed at a smoother, more modern user experience.