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KDE Plasma 5 is the fifth and current generation of the graphical workspaces environment created by KDE primarily for Linux systems. KDE Plasma 5 is the successor of KDE Plasma 4 and was first released on 15 July 2014.
It includes a new default theme, known as "Breeze", as well as increased convergence across different devices. The graphical interface was fully migrated to QML, which uses
KDE Plasma 5 uses the X Window System and Wayland. Support for Wayland was prepared in the compositor and planned for a later release. It was made initially available in the 5.4 release. Stable support for a basic Wayland session was provided in the 5.5 release (December 2015).
Support for NVIDIA proprietary driver for Plasma on Wayland was added in the 5.16 release (June 2019).
* KRunner, a search feature with many available plugins. In addition to launching apps, it can find files and folders, open websites, convert from one currency or unit to another, calculate simple mathematical expressions, and perform numerous other useful tasks.
* Flexible desktop and panel layouts composed of individual Widgets (also known as "Plasmoids") which can be individually configured, moved around, replaced with alternatives, or deleted. Each screen's layout can be individually configured. New widgets created by others can be downloaded within Plasma.
* Powerful clipboard with a memory of previously-copied pieces of text that can be called up at will.
* Systemwide notification system supporting quick reply and drag-and-drop straight from notifications, history view, and a Do Not Disturb mode.
* Central location to control playback of media in open apps, the phone (with KDE Connect installed), or the web browser (with Plasma Browser Integration installed)
* Activities, which allow users to separate methods of using the system into distinct workspaces. Each activity can have its own set of favorite and recently used applications, wallpapers, " virtual desktops", panels, window styles, and layout configurations. It also couples with ( X Session Manager implementation) which keeps track of apps that can be run or shutdown along with given activity via subSessions functionality that keep track of state of applications (not all applications support this feature as they don't implement XSMP protocol).
* Encrypted vaults for storing sensitive data.
* Night Color, which can automatically warm the screen colors at night, or user-specified times, or manually.
* Styling for icons, cursors, application colors, user interface elements, splash screens and more can be changed, with new styles created by others being downloadable from within the System Settings application. Global Themes allow the entire look-and-feel of the system to be changed in one click.
* Session Management allows apps which were running when the system shut down to be automatically restarted in the same state they were in before.
KDE Plasma 5 Lockscreen.png, Default lock screen of Plasma 5
Kscreen-krunner.png, Plasma 5 showing KRunner and display management
Plasma 5 power managament.png, Power management and keyboard brightness
Plasma Mobile website
Plasma user wiki
Plasma developer wiki
{{Widget engine Free desktop environments KDE Plasma Software that uses QML Unix windowing system-related software Widget engines
OpenGL
OpenGL (Open Graphics Library) is a cross-language, cross-platform application programming interface (API) for rendering 2D and 3D vector graphics. The API is typically used to interact with a graphics processing unit (GPU), to achieve hardwa ...
for hardware acceleration, which resulted in better performance and reduced power consumption.
Plasma Mobile is a Plasma 5 variant for Linux-based smartphones.
Overview
Software architecture
KDE Plasma 5 is built using Qt 5 and KDE Frameworks 5, predominantly plasma-framework. It improves support for HiDPI displays and ships a convergable graphical shell, which can adjust itself according to the device in use. 5.0 also includes a new default theme, dubbed Breeze. Qt 5's QtQuick 2 uses a hardware-acceleratedOpenGL
OpenGL (Open Graphics Library) is a cross-language, cross-platform application programming interface (API) for rendering 2D and 3D vector graphics. The API is typically used to interact with a graphics processing unit (GPU), to achieve hardwa ...
( ES) scene graph (canvas) to compose and render graphics on the screen, which allows for the offloading of computationally expensive graphics rendering tasks onto the GPU, freeing up resources on the system's main CPU
A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, and ...
.
Windowing systems
KDE Plasma 5 uses the X Window System and Wayland. Support for Wayland was prepared in the compositor and planned for a later release. It was made initially available in the 5.4 release. Stable support for a basic Wayland session was provided in the 5.5 release (December 2015).
Support for NVIDIA proprietary driver for Plasma on Wayland was added in the 5.16 release (June 2019).
Development
Since the split of the KDE Software Compilation into KDE Plasma, KDE Frameworks and KDE Applications, each subproject can develop at its own pace. KDE Plasma 5 is on its own release schedule, with feature releases every four months, and bugfix releases in the intervening months.Workspaces
The latest Plasma 5 features the following workspaces: * ''Plasma Desktop'' for any mouse or keyboard driven computing devices like desktops or laptops * '' Plasma Mobile'' for smartphones * '' Plasma Bigscreen'' for TVs and set-top boxes incl. voice interaction * ''Plasma Nano'', a minimal shell for embedded and touch-enabled devices, like IoT or automotiveDesktop features
* KRunner, a search feature with many available plugins. In addition to launching apps, it can find files and folders, open websites, convert from one currency or unit to another, calculate simple mathematical expressions, and perform numerous other useful tasks.
* Flexible desktop and panel layouts composed of individual Widgets (also known as "Plasmoids") which can be individually configured, moved around, replaced with alternatives, or deleted. Each screen's layout can be individually configured. New widgets created by others can be downloaded within Plasma.
* Powerful clipboard with a memory of previously-copied pieces of text that can be called up at will.
* Systemwide notification system supporting quick reply and drag-and-drop straight from notifications, history view, and a Do Not Disturb mode.
* Central location to control playback of media in open apps, the phone (with KDE Connect installed), or the web browser (with Plasma Browser Integration installed)
* Activities, which allow users to separate methods of using the system into distinct workspaces. Each activity can have its own set of favorite and recently used applications, wallpapers, " virtual desktops", panels, window styles, and layout configurations. It also couples with ( X Session Manager implementation) which keeps track of apps that can be run or shutdown along with given activity via subSessions functionality that keep track of state of applications (not all applications support this feature as they don't implement XSMP protocol).
* Encrypted vaults for storing sensitive data.
* Night Color, which can automatically warm the screen colors at night, or user-specified times, or manually.
* Styling for icons, cursors, application colors, user interface elements, splash screens and more can be changed, with new styles created by others being downloadable from within the System Settings application. Global Themes allow the entire look-and-feel of the system to be changed in one click.
* Session Management allows apps which were running when the system shut down to be automatically restarted in the same state they were in before.
History
The first Technology Preview of Plasma 5 (at that time called ''Plasma 2'') was released on 13 December 2013. On 15 July 2014, the first release version Plasma 5.0 was released. In spring 2015, Plasma 5 replaced Plasma 4 in many popular distributions, such as Fedora 22,Kubuntu
Kubuntu ( ) is an official flavor of the Ubuntu operating system that uses the KDE Plasma Desktop instead of the GNOME desktop environment. As part of the Ubuntu project, Kubuntu uses the same underlying systems. Kubuntu shares the same repositor ...
15.04, and openSUSE Tumbleweed.
Releases
Feature releases are released every four months (up to 5.8 every three months) and bugfix releases in the intervening months. Following version 5.8 LTS KDE plans to support each new LTS version for 18 months with bug fixes, while new regular releases will see feature improvements.See also
*GNOME
A gnome is a mythological creature and diminutive spirit in Renaissance magic and alchemy, first introduced by Paracelsus in the 16th century and later adopted by more recent authors including those of modern fantasy literature. Its characte ...
* Comparison of X Window System desktop environments
A desktop environment is a collection of software designed to give functionality and a certain look and feel to an operating system.
This article applies to operating systems which are capable of running the X Window System, mostly Unix and Unix- ...
Gallery
OSD OSD may refer to:
Science and medicine
* Ocean Science Discussions, the discussion and review section of the journal ''Ocean Science''
* Optimal shape design, a part of the field of optimal control theory
* Oral sedation dentistry, the oral admi ...
Shutdown screen of Plasma 5.png, Shutdown screen of Plasma 5
Simple-desktop-display-manager-kde.png, Login screen of Plasma 5
Kde-system-settings.png, Plasma System Settings
References
External links
*Plasma Mobile website
Plasma user wiki
Plasma developer wiki
{{Widget engine Free desktop environments KDE Plasma Software that uses QML Unix windowing system-related software Widget engines