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[Translated]20150429 KDE Plasma 5.3 Released, Here's How To Upgrade in Kubuntu 15.04.md
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Translating by GOLinux!
KDE Plasma 5.3 Released, Here’s How To Upgrade in Kubuntu 15.04
================================================================================
**KDE [has announced][1] the stable release of Plasma 5.3, which comes charged with a slate of new power management features. **
Having impressed and excited [with an earlier beta release in April][2], the latest update to the new stable update to the Plasma 5 desktop environments is now considered stable and ready for download.
Plasma 5.3 continues to refine and finesse the new-look KDE desktop. It sees plenty of feature additions for desktop users to enjoy and **almost 400 bug fixes** packed in it should also improvements the performance and overall stability, too.
### What’s New in Plasma 5.3 ###
![Better Bluetooth Management in Plasma 5.3](http://www.omgubuntu.co.uk/wp-content/uploads/2015/04/bluetooth-applet-in-kde.jpg)
Better Bluetooth Management in Plasma 5.3
While we touched on the majority of the **new features** [in Plasma 5.3 in an earlier article][3] many are worth reiterating.
**Enhanced power management** features and configuration options, including a **new battery applet, energy usage monitor** and **animated changes in screen brightness**, will help KDE last longer on portable devices.
Closing a laptop when an external monitor is connected no longer triggers ‘suspend’. This new behaviour is called ‘**cinema mode**‘ and comes enabled by default, but can be disabled using an option in power management settings.
**Bluetooth functionality is improved**, with a brand new panel applet making connecting and configuring paired bluetooth devices like smartphones, keyboards and speakers easier than ever.
Similarly, **trackpad configuration in KDE is easier** with Plasma 5.3 thanks to a new set-up and settings module.
![Trackpad, Touchpad. Tomato, Tomayto.](http://www.omgubuntu.co.uk/wp-content/uploads/2015/04/touchpad-kde.jpg)
Trackpad, Touchpad. Tomato, Tomayto.
For Plasma widget fans there is a new **Press and Hold** gesture. When enabled this hides the settings handle that appears when on mouseover. Instead making it only appear when long-clicking on widget.
On the topic of widget-y things, several **old Plasmoid favourites are reintroduced** with this release, including a useful system monitor, handy hard-drive stats and a comic reader.
### Learning More & Trying It Out ###
![](http://www.omgubuntu.co.uk/wp-content/uploads/2015/04/plasma-5.3-beta.jpg\)
A full list of everything — and I mean everything — that is new and improved in Plasma 5.3 is listed [in the official change log][4].
Live images that let you try Plasma 5.3 on a Kubuntu base **without affecting your own system** are available from the KDE community:
- [Download KDE Plasma Live Images][5]
If you need super stable system you can use these live images to try the features but stick with the version of KDE that comes with your distribution on your main computer.
However, if you’re happy to experiment — read: can handle any package conflicts or system issues resulting from attempting to upgrade your desktop environment — you can.
### Install Plasma 5.3 in Kubuntu 15.04 ###
![](http://www.omgubuntu.co.uk/wp-content/uploads/2012/02/logo-kubuntu.png)
To **install Plasma 5.3 in Kubuntu 15.04** you need to add the KDE Backports PPA, run the Software Updater tool and install any available updates.
The Kubuntu backports PPA may/will also upgrade other parts of the KDE Platform other than Plasma that are installed on your system including KDE applications, frameworks and Kubuntu specific configuration files.
Using the command line is by far the fastest way to upgrade to Plasma 5.3 in Kubuntu:
sudo add-apt-repository ppa:kubuntu-ppa/backports
sudo apt-get update && sudo apt-get dist-upgrade
After the upgrade process has completed, and assuming everything went well, you should reboot your computer.
If you’re using an alternative desktop environment, like LXDE, Unity or GNOME, you will need to install the Kubuntu desktop package (you’ll find it in the Ubuntu Software Centre) after running both of the commands above.
To downgrade to the stock version of Plasma in 15.04 you can use the PPA-Purge tool:
sudo apt-get install ppa-purge
sudo ppa-purge ppa:kubuntu-ppa/backports
Let us know how your upgrade/testing goes in the comments below and don’t forget to mention the features you hope to see added to the Plasma 5 desktop next.
--------------------------------------------------------------------------------
via: http://www.omgubuntu.co.uk/2015/04/kde-plasma-5-3-released-heres-how-to-upgrade-in-kubuntu-15-04
作者：[Joey-Elijah Sneddon][a]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[a]:https://plus.google.com/117485690627814051450/?rel=author
[1]:https://www.kde.org/announcements/plasma-5.3.0.php
[2]:http://www.omgubuntu.co.uk/2015/04/beta-plasma-5-3-features
[3]:http://www.omgubuntu.co.uk/2015/04/beta-plasma-5-3-features
[4]:https://www.kde.org/announcements/plasma-5.2.2-5.3.0-changelog.php
[5]:https://community.kde.org/Plasma/Live_Images

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KDE Plasma 5.3已发布，Kubuntu 15.04升级攻略
================================================================================
**KDE[已经宣布][1]Plasma 5.3的稳定版已经准备就绪，它包含了一个新的电源管理方面的稳定特性。**
[先前四月份的beta版][2]已经让我们印象深刻，甚至跃跃欲试了，Plasma 5桌面环境的稳定版更新的最新更新已经稳定，并且可以下载了。
Plasma 5.3继续改善和细化了全新的KDE桌面，它添加了大量的特性供桌面用户体验。同时也修复了**多达400个错误**，这对性能和稳定性方面也进行了大量改善。
### Plasma 5.3中的新东西 ###
![Better Bluetooth Management in Plasma 5.3](http://www.omgubuntu.co.uk/wp-content/uploads/2015/04/bluetooth-applet-in-kde.jpg)
Plasma 5.3中更好的蓝牙管理
而[在早期关于Plasma 5.3的文章][3]中，我们触及了大量**新特性**，这其中很多都值得反复说道说道。
**加强的电源管理**特性和配置选项，包括**新的电源小程序、能源使用监控**和**动态屏幕亮度变化**，将有助于让KDE在移动设备上加强续航能力。
在连接了外部监视器的时候合上笔记本盖子时，不会再触发‘挂起’操作。这个新的行为被称之为‘**影院模式**’，并且默认开启。但是，可以通功过电源管理设置中的相关选项禁用。
**蓝牙功能被改善**，带来了一个全新的面板小程序，使得在连接到并配置配对的蓝牙设备，如只能手机、键盘和扬声器时，比以往更为便捷。
同样，对于Plasma 5.3，**KDE中的轨迹板配置更为方便**，这多亏了新的安装和设置模块。
![Trackpad, Touchpad. Tomato, Tomayto.](http://www.omgubuntu.co.uk/wp-content/uploads/2015/04/touchpad-kde.jpg)
轨迹板、触控板。Tomato, Tomayto。
对于Plasma小部件狂热者，带来了一个**按住并锁定**手势。当启用该功能，会隐藏移动鼠标时出现的设置处理。取而代之的是，它只会在长点击小部件时发生该行为。
谈到widget-y这类事情时，该发布版中**再次引入了几个旧的Plasmoid最受欢迎的东西**，包括一个有用的系统监视器、便利的硬盘驱动器统计和一个漫画阅读器。
### 了解更多&尝试 ###
![](http://www.omgubuntu.co.uk/wp-content/uploads/2015/04/plasma-5.3-beta.jpg\)
一张全部内容的完整列表——我说全部内容——是指Plasma 5.3中[在官方修改日志中][4]列出的新的和改进的内容。
你可以从KDE社区获取Live镜像，试用Kubuntu上的Plasma 5.3，**而不会影响到你自己的系统**：
- [下载KDE Plasma Live镜像][5]
如果你需要超级稳定的系统，你可以使用这些镜像来尝试新特性，但是你可以继续使用你的主要计算机上与你的版本对应的KDE版本。
但是，如果你对实验版满意——请阅：能够处理任何包冲突，或者由尝试升级桌面环境而导致的系统问题——那么你可以安装。
### 安装Plasma 5.3到Kubuntu 15.04 ###
![](http://www.omgubuntu.co.uk/wp-content/uploads/2012/02/logo-kubuntu.png)
要**安装Plasma 5.3到Kubuntu 15.04**中，你需要添加KDE 移植PPA，运行软件更新器工具并安装任何可用的更新。
Kubuntu移植PPA可能也会升级除了安装在你系统上的Plasma外的其它KDE平台组件，包括KDE应用程序、框架和Kubuntu特定配置文件。
目前为止，使用命令行来升级Kubuntu中的到Plasma 5.3是最快速的方法：
sudo add-apt-repository ppa:kubuntu-ppa/backports
sudo apt-get update && sudo apt-get dist-upgrade
在升级过程完成后，如果一切顺利，你应该重启计算机。
如果你正在使用一个备用桌面环境，比如LXDE、Unity或者GNOME，则你需要在运行完上面的两个命令后安装Kubuntu桌面包（你可以在Ubuntu软件中心找到）。
To downgrade to the stock version of Plasma in 15.04 you can use the PPA-Purge tool:
sudo apt-get install ppa-purge
sudo ppa-purge ppa:kubuntu-ppa/backports
请在下面的评论中留言，让我们知道你怎么升级/测试过程是怎样的，别忘了告诉我们你在下一个Plasma 5桌面中要看到的特性。
--------------------------------------------------------------------------------
via: http://www.omgubuntu.co.uk/2015/04/kde-plasma-5-3-released-heres-how-to-upgrade-in-kubuntu-15-04
作者：[Joey-Elijah Sneddon][a]
译者：[GOLinux](https://github.com/GOLinux)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
[a]:https://plus.google.com/117485690627814051450/?rel=author
[1]:https://www.kde.org/announcements/plasma-5.3.0.php
[2]:http://www.omgubuntu.co.uk/2015/04/beta-plasma-5-3-features
[3]:http://www.omgubuntu.co.uk/2015/04/beta-plasma-5-3-features
[4]:https://www.kde.org/announcements/plasma-5.2.2-5.3.0-changelog.php
[5]:https://community.kde.org/Plasma/Live_Images