Confirm that you also have a network connectivity to one of the official mirrors or to a locally accessible mirror as there are no offline upgrade options.

Ensure that you have all updates installed for your current version of Ubuntu before you upgrade.

You can upgrade to Ubuntu 20.04 LTS from either Ubuntu 18.04 LTS or Ubuntu 19.10.

(Less Frequently Downloaded Ubuntu Images) You can download ISOs and flashable images from: Images can be downloaded from a location near you.

Additional security support is available with ESM (Extended Security Maintenance).įind the links to release notes for official flavors here. All the remaining flavours will be supported for 3 years.

Maintenance updates will be provided for 5 years until April 2025 for Ubuntu Desktop, Ubuntu Server, Ubuntu Cloud, and Ubuntu Core. For details of the changes applied since 20.04, please see the 20.04.6 change summary. These release notes for Ubuntu 20.04 LTS (Focal Fossa) provide an overview of the release and document the known issues with Ubuntu 20.04 LTS and its flavors. Other base system changes since 18.04 LTS.Upgrading from Ubuntu 18.04 LTS or 19.10.

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