
One of the most visible improvements with Plasma 5.26 is the introduction of a new big screen UI. The new Plasma Bigscreen interface is intended for TVs and other large format displays. Here's how that looks:
KDE Plasma 5.26's Wayland support is further refined as another notable change with this version. The Plasma Wayland session can now handle adjusting a graphics tablet's input area mapping, better handling of compositor/app scaling on a per-app basis, disabling middle-click paste under Wayland is now possible, and other fixes.
Plasma 5.26 also brings a number of Discover software center improvements can be found with Plasma 5.26 for app content ratings, a "Share" button on app pages, and more.
There are also other Plasma 5.26 enhancements like easier previewing of desktop wallpapers from within the KDE System Settings and a wide variety of other KDE System Settings improvements.
Learn more about the nice Plasma 5.26 update via KDE.org .
Meanwhile Plasma 5.27 is planned to be the last feature release for the Plasma 5 series before moving to Plasma 6.0.