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KDE Plasma 4

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KDE Plasma 4 is the fourth generation of the KDE workspace environments. It consists of three workspaces, each targeting a certain platform: Plasma Desktop for traditional desktop PCs and notebooks , Plasma Netbook for netbooks , and Plasma Active for tablet PCs and similar devices.

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71-467: KDE Plasma 4 was released as part of KDE Software Compilation 4 and replaced Kicker , KDesktop , and SuperKaramba , which formed the Desktop in earlier KDE releases. They are bundled as the default environment with a number of free software operating systems , such as Chakra , Kubuntu , Mageia (DVD version), openSUSE , or TrueOS . With the release of KDE SC 4.11 on 14 August 2013, KDE Plasma 4

142-456: A "break everything" model and "half-baked" release, claiming that he expected it to be an upgrade of KDE 3.5, when the reality was that there were significant cases of features being regressed due to its extensive changes. (Torvalds did point out, however, that he understood why the developers in charge of the KDE project had chosen to make such drastic changes to the desktop environment in KDE 4.0 and

213-401: A break from previous KDE icons and graphics, which had a cartoonish look. Instead Oxygen icons opt for a more photorealistic style. The Oxygen Project builds on the freedesktop.org Icon Naming Specification and Icon Theme Specification , allowing consistency across applications. The Oxygen team uses community help for better visuals in KDE 4, with both alternate icon sets and the winners of

284-481: A file manager. Okular replaces several document viewers used in KDE ;3, like KPDF, KGhostView and KDVI. Okular makes use of software libraries and can be extended to view almost any kind of document. Like Konqueror and KPDF in KDE 3, Okular can be embedded in other applications. On 11 May 2007, KDE 4.0 Alpha 1 was released marking the end of the addition of large features to KDE base libraries and shifting

355-426: A network abstraction layer and various libraries for multimedia integration, hardware integration and transparent access to resources on the network." On 20 November 2007, Release Candidate (RC) 1 was released. This release was called a "Release Candidate" despite Plasma requiring further work and not being ready for release. On 11 December 2007, RC2 was released. The codebase was declared feature-complete. Some work

426-483: A new message header list, and reworked attachment view. The KWrite and Kate text editors can now operate in Vi input mode, accommodating those used to the traditional UNIX editor. Ark, the archiving tool has gained support for password-protected archives and is accessible via a context menu from the file managers now. KRDC, the remote desktop client improves support for Microsoft's Active Directory through LDAP. Kontact has gained

497-403: A new planner summary and support for drag and drop in the free/busy view. KSnapshot now uses the window title when saving screenshots, making it easier to index them using search engines. The KDE 4.2 release "marks the end of the testing phase by being the first release ready for everyone – instead of just developers and enthusiasts" according to Thom Holwerda, a member of OSNews. KDE 4.3

568-402: A plugin for Kross, which benefits all applications using it. Decibel is a Telepathy -based communication framework, which was expected to be fully used by Kopete by KDE 4.2, but which is reported to be postponed indefinitely. Strigi is the default search tool for KDE 4, chosen for its speed and few dependencies. In concert with other software like Soprano , an RDF storage framework, and

639-477: A pop-up window above the Windows Taskbar. When searching in the sidebar, deskbar or floating deskbar, Google Desktop displays a "Quick Find" window . This window is filled with six (by default) of the most relevant results from the user's computer. These results update as the user types, and allows use without having to open another browser window. Deskbars are boxes which enable searching directly from

710-578: A single API. This was done to provide a stable API for KDE 4 and to prevent it from depending on a single multimedia framework. Applications that use the Phonon API can be switched between multimedia frameworks seamlessly by simply changing the backend used in System Settings . Nokia adopted Phonon for multimedia use in Qt ;4.4 and are developing backends for Gstreamer, Windows and OS X in

781-409: A user's email messages, computer files, music, photos, chats, web pages viewed, and the ability to display "Google Gadgets" on the user's desktop in a sidebar . In September 2011, Google announced it would discontinue a number of its products, including Google Desktop. The reason given was that "In the last few years, there’s been a huge shift from local to cloud-based storage and computing, as well as

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852-457: A wallpaper contest held by the Oxygen project being included in KDE 4. There is also a new set of human interface guidelines for a more standardized layout. Plasma provides the main desktop user interface and is a rewrite of several core KDE applications, like the desktop drawing and most notably the widget engine. Plasma allows a more customisable desktop and more versatile widgets. KWin ,

923-609: Is a list of widgets that the current release version of Plasma supports. Not all widgets are supported by default in all Linux distributions ; some may require different packages, or even a recompilation of Plasma. Previous Plasma Workspaces releases also supported Edje gadgets and E17 modules. Support for those was developed in 2008 but later, in 2010, removed. Google Gadgets were also supported. After Google announced to discontinue its two services that utilize Gadgets –  Google Desktop and iGoogle  – KDE removed support for this widget engine in early 2013. Plasma Netbook

994-511: Is a new game shipped with the kdegames module. All applications have seen bugfixes, feature additions and user interface improvements. Dolphin now supports previews of files in toolbars and has gained a slider to zoom in and out on file item views. It can now also show the full path in the breadcrumb bar. Konqueror offers increased loading speed by prefetching domain name data in KHTML. A find-as-you-type bar improves navigation in webpages. KMail has

1065-437: Is a programming library to help applications take advantage of multicore processors and is included with kdelibs. Kross is the new scripting framework for KDE 4. Kross itself is not a scripting language, but makes it easier for developers to add support for other scripting languages. Once an application adds support for Kross, any language Kross supports can be used by developers. New scripting languages can be added by creating

1136-503: Is a short overview of major changes in KDE Software Compilation 4. The port to the Qt 4 series was expected to enable KDE 4 to use less memory and be noticeably faster than KDE 3. The KDE libraries themselves have also been made more efficient. However, tests reveal that KDE 4.4 has the highest memory utilization on default Ubuntu installations when compared to GNOME 2.29, Xfce 4.6, and LXDE 0.5. Qt 4

1207-415: Is a unification of previously separate KDE PIM components. In the past each application would have its own method for storing information and handling data. Akonadi itself functions as a server that provides data and search functions to PIM applications. It is also able to update the status of contacts. So if one application changes information about a contact, all other applications are immediately informed of

1278-466: Is available under the LGPL for Mac OS X and Windows , which allows KDE 4 to run on those platforms. The ports to both platforms are in an early state. As of August 2010 , KDE Software compilation 4 on Mac OS X is considered beta, while on Windows it is not in the final state, so applications can be unsuitable for day to day use yet. Both ports are trying to use as little divergent code as possible to make

1349-567: Is supported as back-end. KDE SC 4.5 was released on 10 August 2010. New features include the integration of the WebKit library, an open-source web browser engine, which is used in major browsers such as Apple Safari and Google Chrome . KDE's own KHTML engine will continue to be developed. Google Desktop Google Desktop was a computer program with desktop search capabilities, created by Google for Linux , Apple Mac OS X , and Microsoft Windows systems. It allowed text searches of

1420-399: Is the second workspace. It aims at netbooks and may also be used on tablet PCs . The first stable release shipped with KDE SC 4.4. Plasma Active was a workspace for devices with touchscreens. It shipped with several applications such as Kontact Touch and a document viewer based on Calligra Suite . It has been succeeded by KDE Plasma Mobile starting with KDE Plasma 5. Contour was

1491-547: The Extragear and KOffice modules have received numerous improvements with the new features of KDE 4 and Qt 4. But since they follow their own release schedule, they were not all available at the time of the first KDE 4 release – these include Amarok , K3b , digiKam , KWord , and Krita . The most noticeable changes for users are the new icons, theme and sounds provided by the Oxygen Project . These represent

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1562-471: The KDE Platform's core components, notably a port to Qt 4 . It contained a new multimedia API, called Phonon , a device integration framework called Solid and a new style guide and default icon set called Oxygen . It also included a new, unified desktop and panel user interface called Plasma , which supported desktop widgets , replacing K Desktop Environment 3's separate components. One of

1633-509: The NEPOMUK specification, Strigi will provide the beginnings of a semantic desktop in KDE 4. Users can tag files with additional information through Dolphin , which Strigi can index for more accurate searches. KDE 4 uses CMake for its build system. Since previous versions of KDE were only on Unix systems, autotools were used, but a new build system was needed for builds on operating systems like Windows. CMake also dramatically simplified

1704-474: The desktop . Web results will open in a browser window, and selected computer results will be displayed in the "Quick Find" box (see above). A Deskbar can either be a fixed deskbar, which sits in the Windows Taskbar, or a Floating Deskbar, which may be positioned anywhere on the desktop. Google Desktop includes plugins that allow indexing and searching the contents of local Microsoft Outlook , IBM Lotus Notes , and Mozilla Thunderbird email databases, outside of

1775-549: The openDesktop.org Plasmoid – an initial take on the Social Desktop. Plasma also receives more keyboard shortcuts. KDE SC 4.4 was released on 9 February 2010 and is based on version 4.6 of the Qt ;4 toolkit. As such, KDE SC 4.4 carries Qt's performance improvements as well as Qt 4.6's new features, such as the new animation framework Kinetic . KAddressBook Is replaced by a completely new application with

1846-689: The share across computers feature, which introduces the ability to search content from desktop to desktop, greatly increases the risk to users' privacy. If Google Desktop V.3 is set to allow Search Across Computers , files on an indexed computer are copied to Google's servers. The potential for information stored on their computers to be accessed by others if they enable this feature of Google Desktop v. 3 on their computers should be seriously considered. The EFF advises against using this feature. Also, those who have confidential data on their work or home computers should not enable this feature. There are privacy laws and company policies that could be violated through

1917-459: The Internet with one click . It was used in the KDE 3 series but has been extended for use throughout KDE 4. One example was Kstars, that can use Astronomical data that is free for personal use but cannot be redistributed. DXS allows that data to be easily downloaded and installed from within the application instead of manually downloading it. Akonadi is a new PIM framework for KDE 4. Akonadi

1988-575: The KDE SVN repository under the LGPL. Solid is the hardware API in KDE 4. It functions similarly to Phonon as it does not manage hardware on its own but makes existing solutions accessible through a single API. The current solution uses HAL , NetworkManager and BlueZ (the official Linux bluetooth stack), but any and all parts can be replaced without breaking the application, making applications using Solid extremely flexible and portable. ThreadWeaver

2059-505: The KDE Window Manager, now provides its own compositing effects, similar to Compiz . Phonon is the name of the multimedia API in KDE 4. Phonon is a different approach to multimedia backends than in previous versions of KDE. This is because Phonon only functions as a wrapper, abstracting the various multimedia frameworks available for Unix-like operating systems into runtime switchable backends that can be accessed through

2130-486: The Kephal library, fixing many bugs when running KDE on more than one monitor. New applications include PowerDevil, a power management system for controlling various aspects of mobile devices. A new printing configuration system brings back a number of features users have been missing in KDE 4.0 and 4.1. The components "printer-applet" and "system-config-printer-kde" are shipped with the kdeadmin and kdeutils module. Killbots

2201-518: The Magic Lamp, Minimize effect and the Cube and Sphere desktop switchers. Others, such as the desktop grid, have been improved. The user interface for choosing effects has been reworked for easy selection of the most commonly used effects. Compositing desktop effects have been enabled by default where hardware and drivers support them. Automatic checks confirm that compositing works before enabling it on

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2272-511: The Plasma desktop, improving functionality and stabilizing KDE. On 2 August 2007, Beta 1 was released. Major features included a pixmap cache – speeding up icon loading, KDE PIM improvements, improved KWin effects and configuration, better interaction between Konqueror and Dolphin and Metalink support added to KGet for improved downloads. On 6 September 2007, Beta 2 was released with improved BSD and Solaris support. The release included

2343-574: The Sidebar – to show new email, weather, photos, and personalized news. Google offers a gallery of pre-built gadgets for download on the official website. For developers, Google offers an SDK and an official blog for anyone who wants to write gadgets or plug-ins for Google Desktop. An automated system creates a developer hierarchy called the "Google Desktop Hall of Fame", where programmers can advance based on their gadgets' number and popularity. The SDK also allows third-party applications to make use of

2414-454: The addition of the Blitz graphic library – allowing for developers to use high performance graphical tricks like icon animation – and an overhaul of KRDC (K Remote Desktop Client) for Google's Summer of Code . Plasma was also integrated with Amarok to provide Amarok's central context view. On 16 October 2007, Beta 3 was released. The beta 3 release was focused on stabilizing and finishing

2485-430: The applications function almost identically on all platforms. During Summer of Code 2007 an icon cache was created to decrease application start-up times for use in KDE 4. Improvements were varied – Kfind, an application which used several hundred icons, started up in about a quarter of the time it took previously. Other applications and a full KDE session started up a little over a second faster. Many applications in

2556-449: The build process. The autotools build system had become so complicated by KDE 3 that few developers understood it, requiring hours of work for simple changes. In early 2007 CMake was shown to compile KDE 4 version of KDElibs 40 % faster than the autotools compiled KDE 3 version. DXS, previously known as GHNS (Get Hot New Stuff) and now adopted by freedesktop.org , is a web service that lets applications download and install data from

2627-565: The change. The majority of development went into implementing most of the new technologies and frameworks of KDE 4. Plasma and the Oxygen style were two of the biggest user-facing changes. Dolphin replaces Konqueror as the default file manager in KDE 4.0. This was done to address complaints of Konqueror being too complicated for a simple file manager. However Dolphin and Konqueror will share as much code as possible, and Dolphin can be embedded in Konqueror to allow Konqueror to still be used as

2698-455: The client applications' built-in search functions. For Lotus Notes, only local databases are indexed for searching. Google Desktop's email indexing feature is also integrated with Google's web-based email service, Gmail ; it can index and search the email messages in Gmail accounts. Desktop gadgets are interactive mini-applications that can be placed anywhere on the user's desktop – or docked in

2769-402: The data engine and the workspaces to be written independently. The scalable nature of the Plasma widgets allows for them to be resized and rotated to any size, with only a brief pause to redraw themselves. The Kross scripting framework allows developers to write widgets in a variety of programming languages in addition to C++ . KRunner is a versatile tool for several functions. It replaces

2840-525: The design of libraries for the release of KDE Development Platform. Plasma received many new features including an applet browser. The educational software received many improvements in Marble and Parley (formerly known as KVoctrain) with bugfixes in other applications. A program called Step, an interactive physics simulator, was produced as part of the Google Summer of Code . On 30 October 2007, Beta 4

2911-537: The desktop. The Sidebar is available on the Windows and Linux versions of Google Desktop. The Sidebar comes pre-installed with the following gadgets: Like the Windows Taskbar, the Google Desktop sidebar can be set to Auto-Hide mode, where it will only appear once the user moves the mouse cursor towards the side where it resides. If not on auto-hide, by default the sidebar will always take up about 1/6 – 1/9 of

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2982-438: The dialog box "Run Command" from K Desktop Environment 3 , and also inherits from the application launcher feature, expanding the possibilities through a modular plug. KRunner stores previously entered commands and searches, accessible via an auto-complete feature. KRunner can be shown on the desktop via the keyboard combination Alt + F2 or by selecting "Run Command ..." in the desktop menu. These functions are handled by

3053-520: The ease of exploitation forced Google to change some of Google Desktop's logic in Google Desktop version 5. Many privacy and civil liberties groups such as the Electronic Frontier Foundation (EFF) have concerns that personal information on people's computers could readily be copied from users' hard drives . Google Desktop version 3 contains certain features that raise serious security and privacy concerns. Specifically,

3124-590: The file names for their results lists. The use of the "title" tag gives a significantly better user experience, since metadata titles (when present) are written in ordinary language, while file names are less communicative. When the title meta data is missing from a file, Google Desktop reverts to use its filename. Google Desktop was originally developed to bring Google search technology to the desktop. Google Desktop received much attention because it may allow reverse engineering of Google's proprietary search algorithm . A centrally administered version, which integrates

3195-414: The focus onto integrating the new technologies into applications and the basic desktop. Alpha 1 included new frameworks to build applications with, providing improved hardware and multimedia integration through Solid and Phonon . Dolphin and Okular were integrated and a new visual appearance was provided through Oxygen icons . On 4 July 2007, Alpha 2 was released. The release focused on integrating

3266-637: The installation of this feature, specifically, SB 1386 , HIPAA , FERPA , GLBA and Sarbanes-Oxley . Other more far reaching concerns arise around the packaging and end user license agreement – specifically the level of intrusion on the local machine and the disclaimers that users implicitly agree to future changes in the license agreement without actually being able to see them immediately. There had been some issues with Microsoft Outlook indexing. Deleted email listings were not removed and required re-installing Google Desktop for any new archived mail to be listed. Several versions have been released to patch

3337-492: The integration of search and gadget functionality into most modern operating systems. People now have instant access to their data, whether online or offline. As this was the goal of Google Desktop, the product will be discontinued." As of January 2008, Google Desktop featured the following functionality: A prominent feature of the Google Desktop is the Sidebar , which holds several common Gadgets and resides off to one side of

3408-642: The lack of finish for some of its new features, the release was widely criticized because of a lack of stability and its "beta" quality. Computerworld reporter Steven Vaughan-Nichols criticised KDE 4.0 and KDE 4.1 and called for a fork of KDE 3.5 by rebuilding it on top of Qt 4. The same reporter later praised KDE 4.3 and welcomed the KDE 3.5 continuation project Trinity . Although Linus Torvalds switched from GNOME to KDE in December 2005, he switched back to GNOME after Fedora replaced KDE 3.5 with 4.0. In an interview with Computerworld, he described KDE 4.0 as

3479-422: The look and feel and increase consistency. A new System Settings module, Desktop Theme Details, gives the user control over each element of various Plasma themes. Wallpapers are now provided plugins, so developers can easily write custom wallpaper systems in KDE 4.2. Available wallpaper plugins in KDE 4.2 will be slideshows, Mandelbrot fractals, and regular static images. New desktop effects have been added such as

3550-611: The name of an interface for tablet devices. Its development was started in April 2011 by basysKom . Replacing an earlier tablet prototype, Contour has then become the main workspace UI of Plasma Active and was shipped as 1.0 in October 2011. Plasma Mobile was targeted at smartphones and small tablet devices that are mainly used via touch input . It was originally expected to be released in 2011 along with Plasma Active 1.0 but development focus shifted towards Contour . A new version with

3621-465: The overall goals of KDE Platform 4 was to make it easy for KDE applications to be portable to different operating systems. This was made possible by the port to Qt 4, which facilitated support for non- X11 -based platforms, including Microsoft Windows and Mac OS X . Versions 4.0 to 4.3 of KDE Software Compilation were known simply as KDE 4 – the name change was a component of the KDE project's re-branding to reflect KDE's increased scope. This

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3692-616: The pastebin applet, the calendar, timer, special character selector, a QuickLaunch widget, and a system monitor, among many others. The Plasma workspace can now load Google Gadgets. Plasma widgets can be written in Ruby and Python. Support for applets written in JavaScript and Mac OS X dashboard widgets has been further improved. Theming improvements in the Task Bar, Application Launcher, System Tray and most other Plasma components streamline

3763-589: The plugin: Plasma Desktop was a standard desktop interface. It was declared mature with the release of KDE SC 4.2. It is designed for desktop PCs and larger laptops . In its default configuration it resembles K Desktop Environment 3 and Microsoft Windows XP but extensive configurability allows radical departures from the default layout. Its technology is a fundamental rewrite of several desktop interaction programs included in previous KDE desktop environments for Unix-like systems, focusing on eye candy and special graphical effects. The Desktop Workspace replaces

3834-528: The previous KDesktop shell, Kicker taskbar and SuperKaramba widget engine used in the K Desktop Environment 3 series with a unified system of widgets that can be configured and replaced with alternative designs. From KDE 4.0 to KDE 4.2, the default theme Oxygen was characterized by dark tones. In KDE 4.3, replaced by the new Air theme, which predominates in transparency and white as base color. New themes for Plasma can be chosen and installed through software like Discover or online at store.kde.org. This

3905-810: The public scrutiny. KDE Software Compilation 4 KDE Software Compilation 4 ( KDE SC 4 ) was the only series of the so-called KDE Software Compilation (short: KDE SC), first released in January 2008 and the last release being 4.14.3 released in November 2014. It was the follow-up to K Desktop Environment 3 . Following KDE SC 4, the compilation was broken up into basic framework libraries, desktop environment and applications, which are termed KDE Frameworks 5 , KDE Plasma 5 and KDE Applications , respectively. Major releases (4.x) were released every six months, while minor bugfix releases (4.x.y) were released monthly. The series included updates to several of

3976-405: The reason for its premature release, and that his criticism was more on the way KDE 4.0 was pushed out to the public.) Despite the criticism, reviewers such as Ars Technica ’s Ryan Paul noted that the visual style "is very attractive and easy on the eyes" and "exhibits a relatively high level of polish" and that "the underlying technologies still have a lot of very serious potential". KDE 4.1

4047-436: The same name but based on KDE Frameworks 5 has been announced on 25 July 2015. KDE 4.0 was released in January 2008. Linux.com described the reaction from users as a "revolt", writing that the backlash KDE 4.0 received was on a scale that was unprecedented for a FOSS project. Although it was a developer's release, several distributions made the KDE 4.0 desktop environment available to their users without specifying that it

4118-452: The same name – previously tentatively called KContactManager. Key features of the new KAddressBook are Akonadi integration and a streamlined user interface. Another major new feature is an additional new Plasma interface, targeted towards netbooks . Kopete is released as version 1.0. KAuth, a cross-platform authentication API, made its début in KDE SC 4.4. Initially only PolicyKit

4189-424: The screen (depending on the screen resolution), and other windows are forced to resize. However, the sidebar can be resized to take less space, and users can disable the "always on top" feature in the options. With the auto-hide feature on, the sidebar temporarily overlaps maximized windows . Another feature that comes with the Sidebar is alerts. When the Sidebar is minimized, new email and news can be displayed on

4260-417: The search facilities provided by Google Desktop Search. For example, the file manager Directory Opus offers integrated Google Desktop Search support. Even though other desktop search programs can search files meta data, Google Desktop (for Windows) is the only one that uses the "title" tag for its results lists of all files (On Linux it shows the meta-data of HTML files, but not PDF files). Other programs use

4331-453: The system tray, panel autohiding, window previews and tooltips are back in the panel and task bar, notifications and job tracking by Plasma, and the ability to have icons on the desktop again by using a Folder View as the desktop background where icons now remain where they are placed. New Plasma applets include applets for leaving messages on a locked screen, previewing files, switching desktop Activity, monitoring news feeds, and utilities like

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4402-504: The user could set any applet as the desktop background without losing functionality of the applet. This also allows for applets to be dragged between the desktop and the taskbar (two separate containments), and have a separate visualization for the more confined taskbar. Plasma separates components into "data engine" and their visualization counterparts. This is intended to reduce the total programming effort when there are multiple possible visualizations of given data; and to make it easier for

4473-413: The user experience with the vendor's appliance , exists as well. Google Desktop was officially discontinued on September 14, 2011. In February 2007, Yair Amit, of Watchfire , found a series of vulnerabilities in Google Desktop that could allow a malicious individual to achieve not only remote, persistent access to sensitive data, but in some cases full system control as well. The significant impact and

4544-527: The workspace. KRunner – the "Run command…" dialog – has extended functionality through several new plugins, including spellchecking, Konqueror browser history, power management control through PowerDevil, KDE Places, Recent Documents, and the ability to start specific sessions of the Kate editor, Konqueror and Konsole. The converter plugin now also supports quickly converting between units of speed, mass and distances. Multi-screen support has been improved through

4615-436: Was an experimental option. openSUSE released a more polished KDE 4 option while other distributions "released packages that simply [didn't] work," according to project leader Aaron Seigo. As a result, many users complained about the loss of features and stability. A number of KDE developers, including project leader Aaron Seigo, were targeted for abuse by outlets like Linux Hater's Blog . Several KDE developers stepped back from

4686-513: Was placed into a feature freeze and turned into a long-term stable package until August 2015. On 15 July 2014 KDE Plasma 4's successor, KDE Plasma 5 , was released. Plasma features containments , which are essentially applets that contain other applets. Two examples of containments are the desktop background and the taskbar. A containment can be anything the developer wants: an image (either raster graphics or an SVG image), animation, or even OpenGL . Images are most commonly used, but with Plasma

4757-412: Was released on 27 January 2009. The release is considered a significant improvement beyond KDE 4.1 in nearly all aspects, and a suitable replacement for KDE 3.5 for most users. The 4.2 release includes thousands of bug fixes and has implemented many features that were present in KDE 3.5 but had been missing in KDE 4.0 and 4.1. These include grouping and multiple row layout in the task bar, icon hiding in

4828-613: Was released on 29 July 2008. KDE 4.1 includes a shared emoticon theming system which is used in PIM and Kopete, and DXS, a service that lets applications download and install data from the Internet with one click. Also introduced are GStreamer , QuickTime 7, and DirectShow 9 Phonon backends. Plasma improvements include support for Qt 4 widgets and WebKit integration – allowing many Apple Dashboard widgets to be displayed. There will also be ports of some applications to Windows and Mac OS X . New applications include: KDE 4.2

4899-514: Was released on 4 August 2009. Polishing KDE 4 was a focus of 4.3, with this release being described as incremental and lacking in major new features. KDE 4.3 fixed over 10,000 bugs and implemented almost 2,000 feature requests. Integration with other technologies, such as PolicyKit , NetworkManager & Geolocation services, was another focus of this release. KRunner's interface has been overhauled. A much more flexible system tray has been developed. Many new Plasmoids have been added, including

4970-462: Was released. A list of release blockers was compiled, listing issues that need to be resolved before KDE will start with the release candidate cycle for the desktop. The goals were to focus on stabilization and fixing the release blockers. At the same time, the first release candidate of KDE 4.0 Development Platform was released. The development platform contains all the base libraries to develop KDE applications, including "high-level widget libraries,

5041-405: Was still required to fix bugs, finish off artwork and smooth out the user experience. KDE 4 was released on 11 January 2008. Despite being labelled as a stable release, it was intended for early adopters. Continuing to use KDE 3.5 was suggested for users wanting a more stable, "feature complete" desktop. The release of KDE 4.0 was met with a mixed reception. While early adopters were tolerant of

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