For those who prefer upgrading LibreOffice office suite from PPA, LibreOffice 6.1 now is finally available to install in Ubuntu 18.04 and Ubuntu 18.10 via its official PPA

LibreOffice 6.1 is new major version released more than a month ago with following new features:

• Use the elementary icon set by default GNOME-based Linux distros
• New app icons that you can see in the application launcher.
• Reworked image handling using a new graphic manager
• The notebook bar is significantly improved in LibreOffice 6.1
• Use native GTK3 dialogs on Linux desktops.
• Improvements to Excel 2003 XML import
• DOCX export/import
• And many other new featurese and improvements

libreoffice new app icons

How to Install LibreOffice 6.1 in Ubuntu 18.04 via PPA:

Open terminal either via Ctrl+Alt+T keyboard shortcuts, or by searching for “terminal” from application launcher. When it opens, do:

1. Run command to add the LibreOffice PPA:

sudo add-apt-repository ppa:libreoffice/ppa

Input your password (no visual feedback while typing) when it prompts, and read terminal output for PPA description and hit Enter to continue.

2. Then you’ll see the upgrade available in Software Updater after checking for updates.

The LibreOffice upgrading process may be kept back. If so, run following commands instead in terminal after added the PPA:

sudo apt-get dist-upgrade

Uninstall:

You can restore to stock version of LibreOffice in Ubuntu main archive by running command in terminal:

sudo apt-get install ppa-purge && sudo ppa-purge ppa:libreoffice/ppa