How to install Plasma Desktop 5.11 on Ubuntu 17.10

  The KDE® Community is a free software community dedicated to creating an open and user-friendly computing experience, offering an advanced graphical desktop, a wide variety of applications for communication, work, education and entertainment and a platform to easily build new applications upon. We have a strong focus on finding innovative solutions to old and new problems, creating a vibrant atmosphere open for experimentation.

KDE releases a Bugfix update to KDE Plasma 5, versioned 5.11.3. Plasma 5.11 was released in October with many feature refinements and new modules to complete the desktop experience. 

Plasma Desktop 5.10 Changelog:

• Don't refresh invalid backends.
• Remove unused class.
• Don't delete resources whenever asked to clear the view.
• Extend the resetModel until the model is ready to be fetched again.
• Make sure we set the page size.
• Unneeded dependency in the library.
• Fix warning.
• Remove unused code.
• --warning: don't capture unused variable.
• Properly listen to ODRS replies.
• Assert on ODRS reviews fetched.
• Don't leak QNetworkAccessManager instances.
• Recover the right delegate background color.
• Improve global updates progress reporting.
• Improve progress reporting in some PackageKit updates.
• Show errors from refreshing. Commit.
• Include the progress of transactions. 
• See release note for details. 

Installation instructions: 
 
We can add this PPA to Ubuntu Operating  Systems and install Plasma Desktop with few easy commands.

Open terminal and insert command line...

$ sudo add-apt-repository ppa:kubuntu-ppa/backports $ sudo apt-get update $ sudo apt-get install plasma-desktop

If everything goes well, log out and select log back with Plasma session.

 Option, uninstall Plasma Desktop

$ sudo apt-get install ppa-purge && sudo ppa-purge ppa:kubuntu-ppa/backports