下载：ftp://ftp.kde.org/pub/kde/unstable/4.2.85/src/
Highlights of KDE 4.3 are...
Integration of many new technologies, such as PolicyKit and Geolocation services
New Window animation effects, a more usable Run Command popup and many new and improved addons in Plasma
Many bugfixes and improvements across all applications and more integration of features coming with the KDE 4 platform
The tree mode and the default icon mode in System Settings
Highlights of KDE 4 include...
A streamlined hardware integration and multimedia experience thanks to the Solid and Phonon libraries
A fully themable look taking advantage of modern graphics hardware combining the Oxygen artwork with the new Plasma desktop shell
An extensive high-level development platform built on top of Qt, available in C++, Python, Ruby and other programming languages
Changes
General
Policykit integration
Settings module for actions triggered by hardware events
Recent applications, titles and context menues for the classic application launcher
New Tree Mode in System Settings
Revisited user interface of the crash dialog, including backtrace parsing and rating
A network:/ IO Slave to show services such as Zeroconf as view in the file manager
Sorting folders in the file manager first is now optional
Support for the mobipocket format in the document viewer and desktop search
Plasma Desktop & KWin Window Manager
KRunner now displays all known syntax in the results area when Help button pressed
Spacers for the panel
Holidays are now displayed in the calendar of the clock
Configurable keyboard shortcuts for Plasma
Grouping support in Extenders
"Open..." in notifications for finished jobs
Entering into directories when hovering over them in the folder view
Keyboard navigation in the zooming user interface and the folder view
Animations of dialogs from the Panel
SVG-themed desktop and panel toolbox
Unit conversion library
Completed wallpaper renderings can now be cached
More complete JavaScript API
Window manager elements now follow the Plasma theme
Fading desktop switcher
Windows sliding behind each other when changing focus
Plasma Addons
New Plasmoids: Bubble Monitor (a playful system monitor), Magnifique (Plasma magnifier), Media Player, openDesktop (Social Desktop Plasmoid), Remember The Milk Plasmoid (time management), retro-style system load viewer, Unit converter
New dataengines: Akonadi, Calendar Geolocation, keyboard state, access to Nepomuk metadata, Open Collaboration Services, Picture of the day, support for sun positioning and sunrise/sunset in the time engine
Rich-text editing and text-zooming in the Notes applet
Microblogging Plasmoid now also supports identi.ca
Pastebin applet has been reworked
The System tray can now show / hide icons based on their category
Jobs are now grouped together
Grouped windows' tooltips now also show previews
Lancelot launcher: Improved theming, configurable actions for system buttons, clear document history
Speaking the time from the clock
Weather wallpaper displays a wallpaper matching the current weather
The Virus wallpaper slowly eats your desktop
Mandelbrot fractals as real-time computed wallpaper
Marble Interactive desktop globe can be used as wallpaper
PIM
Updated contact list in the instant messenging application Kopete
Export, drag and drop and improved configuration in Alarm notifier
A resource to sync Akonadi with Google Calendar
Support for inserting inline images into emails in KMail
Games
New game "Curse of the Mummy" in KGoldrunner, more accurate pause and resume and recording and replaying of games
KPatience can now save the game state on exit to be restored later
New in KDE 4: KTron
Improved AI and asynchronous "thinking" in Bovo
70 new levels in KMahjongg
Others
The moon and other Planets can now be displayed using the Marble desktop globe
Support for imperial units, DGML2 and geolocation plugins in Marble
The Juk music player now supports real translucency in track announcements
UI improvements and better format handling in the compression tool Ark
New bookmarking tool in Okteta hex editor
KGpg, the GnuPG key manager has been ported to the new system tray
Peeking into directories in Plasma and, formatting options in the notes applet and the translatoid
Note that the changelog is usually incomplete, for a complete list of changes that went into KDE 4.3 Beta1, you can browse the Subversion log.
To find out more about the KDE 4 desktop and applications, please refer to the KDE 4.2.0, KDE 4.1.0 and KDE 4.0.0 release notes.