Introduction

These release notes for Ubuntu 18.04.3 LTS (Bionic Beaver) provide an overview of the release and document the known issues with Ubuntu 18.04 LTS and its flavors. For details of the changes applied since 18.04, please see the 18.04.3 change summary. The release notes for 18.04, 18.04.1, and 18.04.2 are available as well.

Support lifespan

The ‘main’ archive of Ubuntu 18.04 LTS will be supported for 5 years until April 2023. Ubuntu 18.04 LTS will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, and Ubuntu Core. Ubuntu Studio 18.04 will be supported for 9 months. All other flavors will be supported for 3 years.

Official flavor release notes

Find the links to release notes for official flavors here.

Download

Ubuntu-desktop

ubuntu-18.04.3-desktop-amd64.iso (598 downloads)

Ubuntu-server

ubuntu-18.04.3-live-server-amd64.iso (131 downloads)
ubuntu-18.04.3-server-amd64.iso (239 downloads)

Kubuntu

kubuntu-18.04.3-desktop-amd64.iso (108 downloads)
kubuntu-18.04.3-desktop-i386.iso (101 downloads)

Lubuntu

lubuntu-18.04-alternate-amd64.iso (85 downloads)
lubuntu-18.04-alternate-i386.iso (101 downloads)
lubuntu-18.04.3-desktop-amd64.iso (94 downloads)
lubuntu-18.04.3-desktop-i386.iso (131 downloads)

Ubuntu-budgie

ubuntu-budgie-18.04.3-desktop-amd64.iso (104 downloads)
ubuntu-budgie-18.04.3-desktop-i386.iso (118 downloads)

Ubuntu-mate

ubuntu-mate-18.04.3-desktop-amd64.iso (120 downloads)
ubuntu-mate-18.04.3-desktop-i386.iso (122 downloads)

Ubuntu-kylin

ubuntukylin-18.04.3-desktop-amd64.iso (75 downloads)
ubuntukylin-18.04.3-desktop-i386.iso (109 downloads)

Ubuntu-Studio

ubuntustudio-18.04-dvd-amd64.iso (111 downloads)
ubuntustudio-18.04-dvd-i386.iso (98 downloads)

Xubuntu

xubuntu-18.04.3-desktop-amd64.iso (121 downloads)
xubuntu-18.04.3-desktop-i386.iso (103 downloads)