Only those installing from the 14.04.2 media or newer will automatically receive a newer hardware enablement stack by default. Perform an update or upgrade to Trusty from a previous Ubuntu release.The previous 14.04.0 and 14.04.1 releases are archived at Install from a previous 14.04.0 or 14.04.1 point release and update. To remain on the original Trusty stack, there are a few options: Those running virtual or cloud images should not need this newer hardware enablement stack and thus it is recommended they remain on the original Trusty stack. This newer hardware enablement stack will be comprised of the kernel and X stack from the Vivid 15.04 release.

In an effort to support a wider variety of hardware on an existing LTS release, the 14.04.3 point release will ship with an updated kernel and X stack by default. Please test and report any bugs you find: Please see the Trusty blueprint list for details. Please ensure you have network connectivity to one of the official mirrors or to a locally accessible mirror and follow the instructions above. Offline upgrade options via alternate CDs are no longer offered for Ubuntu Desktop and Ubuntu Server. Note that the server upgrade will use GNU screen and automatically re-attach in case of dropped connection problems. Launch the upgrade tool with the command sudo do-release-upgrade. Install the update-manager-core package if it is not already installed. Click Upgrade and follow the on-screen instructions.Update Manager should open up and tell you: New distribution release '14.04 LTS' is available.Press Alt+F2 and type in 'update-manager' (without the quotes) into the command box.Upgrading from Ubuntu 12.04 LTS or Ubuntu 13.10 Images can be downloaded from a location near you. All other flavours will be supported for 3 years.įind the links to release notes for official flavors here. Ubuntu 14.04 LTS will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Core, Kubuntu, Edubuntu, and Ubuntu Kylin. For details of the changes applied since 14.04.2, please see the 14.04.3 change summary. These release notes for Ubuntu 14.04.3 (Trusty Tahr) provide an overview of the release and document the known issues with Ubuntu 14.04.3 and its flavors. Upgrading from Ubuntu 12.04 LTS or Ubuntu 13.10.

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