LUbuntu 22.04 users can now upgrade to LXQt 1.4.0 through PPA

For LUbuntu 22.04 users, the latest LXQt desktop 1.4.0 is available to upgrade now through the official PPA.

LXQt, the lightweight Qt desktop environment, announced the release of 1.4.0 more than a week ago. Changes in the new desktop release include:

  • lxqt-menu-data is released to replace lxmenu-data anywhere needed.
  • In file manager, user can add the command for the default terminal
  • Restore last window also restores state of split view
  • Remember password and anonymity settings of the mount dialog
  • QTerminal supports audible bell as an option
  • Image viewer has a minimal support for color spaces now.

How to Upgrade to LXQt 1.4.0 in LUbuntu 22.04

LUbuntu Team has made the new release package into this official Ubuntu PPA for current 22.04 LTS.

1. Add PPA

First, press Ctrl+Alt+T on keyboard to open terminal. When it opens, run the command below to add the official PPA:

sudo add-apt-repository ppa:lubuntu-dev/backports

Type user password (no asterisk feedback) when it asks and hit Enter to continue.

2. Update LXQt Desktop:

While adding the PPA, it should automatically refresh system package cache. So, your can then run the command below to update LXQt to v1.4.0:

sudo apt full-upgrade

NOTE: apt full-upgrade is required rather than apt upgrade, or some core libraries will be kept back.

For non-LUbuntu but Ubuntu 22.04 based systems, user can use the command below to install LXQt 1.4.0:

sudo apt install lubuntu-desktop

In case you want to restore your system later, it’s better to written down what packages it’s going to install via terminal output.

When done, restart your computer and launch “About LXQt” dialog to verify.

Uninstall LXQt 1.4.0 in LUbuntu 22.04

To restore your LUbuntu desktop, run the command below in terminal to install ppa-purge and use the tool to purge the PPA repository:

sudo apt install ppa-purge && sudo ppa-purge ppa:lubuntu-dev/backports

It will downgrade all the installed packages from the PPA to the stock versions in system repository. When done, restart your system.