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Qt 5.5 Beta Released

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It’s my pleasure to announce the release of the Qt 5.5 Beta today.

Since we released Qt 5.4, a lot of effort has been put into fixing bugs reported both by our customers and the community. With this in focus, we went through a couple weeks of dedicated bug fixing here at The Qt Company. During this time, we worked 100% on fixing as many open issues as possible. Although the focus of Qt 5.5 has been on stability and performance, it also has some interesting new features and functionality to offer.

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Leftovers: KDE

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  • Skrooge 1.12.0 released

    The Skrooge Team announces the release 1.12.0 version of its popular Personal Finances Manager based on KDE Frameworks.

  • Skrooge 2.0.0 Beta available

    The Skrooge Team announces the availability of 1.99.75 version of its popular Personal Finances Manager based on KDE Frameworks. This is a Beta version intended for users willing to help us by testing the KF5 port before the final Release.

  • Simple Qt container optimization you should do on your code

    Most of us know we shouldn't let our containers detach. QList, QVector, QString, etc. are implicitly shared. Copying them is cheap, but when we call a non const member function it will detach and trigger a deep copy.

KDE Ships KDE Applications 15.04.1

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May 12, 2015. Today KDE released the first stability update for KDE Applications 15.04. This release contains only bugfixes and translation updates, providing a safe and pleasant update for everyone.
More than 50 recorded bugfixes include improvements to kdelibs, kdepim, kdenlive, okular, marble and umbrello.
This release also includes Long Term Support versions of Plasma Workspaces 4.11.19, KDE Development Platform 4.14.8 and the Kontact Suite 4.14.8.

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Linux Mint KDE to Switch to Plasma 5 with the 18.x Version in 2016

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Linux Mint is one of the most used open source operating systems, especially with the Cinnamon and MATE flavors, but the developers also have a few other distros in the works, including a KDE one. It looks like the latest KDE version won't arrive by default too soon..

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Release of KDE Frameworks 5.10.0

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May 08, 2015. KDE today announces the release of KDE Frameworks 5.10.0.
KDE Frameworks are 60 addon libraries to Qt which provide a wide variety of commonly needed functionality in mature, peer reviewed and well tested libraries with friendly licensing terms. For an introduction see the Frameworks 5.0 release announcement.
This release is part of a series of planned monthly releases making improvements available to developers in a quick and predictable manner.

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KDE Leftovers

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  • Krita: Using the Transform Masks

    Okay, so I’ve wanted to do a tutorial for transform masks for a while now, and this is sorta ending up to be a flower-drawing tutorial. Do note that this tutorial requires you to use Krita 2.9.4 at MINIMUM. It has a certain speed-up that allows you to work with transform masks reliably!

  • KSysGuard: What are your requirements from a system monitor?

    The KDE system monitor needs an update. In the first step we like to ask you to join the brainstorming about requirements. What do you want integrated into KSysGuard?

  • Plasma 5 Demo from Ubuntu Online Summit

    You get to see and hear Riddell, Rick Timmis, Aaron Honeycutt (ahoneybun), and ovidiu-florin, and pick up a few tricks from the video.


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Users are often confused by the current KWallet system behavior. When their computers start, they enter the KDE session password but just after logging-in, they are prompted yet another password, for something named KWallet. Sometimes, they even see several password prompts from KWallet, depending on their precise desktop configuration.

Some users find that annoying and they file bug reports or, even worse, simply uncheck the “Enable the KDE wallet subsystem” in an attempt to deactivate it as a whole and switch to using some other external tools. Well, these tools are OK, but the KDE experience is affected, as the applications are no longer able to correctly store and retrieve their secrets. And that raises the barrier to entry for some of our potential users, adding negative points against KDE.

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Availability of Qt Free Edition

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In my last blog posts, I explained the KDE Free Qt Foundation, which guarantees the free availability of the Qt Toolkit. Today, The Qt Company introduced a new Qt online installer that requires users to accept additional license terms. Many people have contacted me with concerns about this change. I share this concern. Even before this, I have already been concerned about the structure of the download page, since it blurs the lines between the Qt Toolkit itself and additional, proprietary products.

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KDE Applications 15.04 Available for Kubuntu 15.04

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Packages for the release of KDE Applications 15.04 are available for Kubuntu 15.04. You can get it from the Kubuntu Backports PPA.

Bugs in the packaging should be reported to kubuntu-ppa on Launchpad. Bugs in the software to KDE.

To update, use the Software Repository Guide to add the following repository to your software sources list:


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Leftovers: KDE and GNOME

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  • Announcing Board of Directors Elections 2015
  • Gnome shell Hello world

    Gnome Shell, besides providing the main user interface for GNOME 3, is a Javascript shell with bindings to many native interfaces that allow e.g. Window manipulation, graphics rendering and animations, compositing, etc. It also allows developers to write extensions changing Gnome Shell’s behavior.

  • Kate from KDE Applications 15.04 – KF 5.9

    That is the first time that I use a distro-shipped Kate that is based on KF5 (and no other Kate 4.x is installed any more as escape route).

  • Work begins on KDE Plasma 5.4

    It has only been a few days since Plasma 5.3 was released, now work has begun on the 5.4 release. Plasma 5.4 is scheduled for launch in August, in time for the next Kubuntu release.

  • Performance and Animation (and more): Join Krita’s 2015 Kickstarter Project

    Last year’s kickstarter was a big success and all the support resulted in the biggest, best Krita release ever, Krita 2.9, with a huge number of exciting features. In fact, this week we’ll be releasing Krita 2.9.4, the first version of Krita with the Photoshop-type layer styles feature included! (As well as speed-ups and dozens of bug fixes…)

  • A summer of animation

    This summer Krita is going all in for animation. Not only do we have a Google Summer of Code project focusing on it, but it will also be a major point in this year's Kickstarter campaign, alongside with major performance improvements.

  • collaborative editing for the win

    On the first day of the Kolab Summit we announced that Kolab is getting full extended MAPI support. That was in itself a pretty fantastic announcement, but it was accompanied by announcements of instant messaging, WebRTC and collaborative editing.

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More in Tux Machines

today's leftovers

  • Zorin OS 12.3 Linux Distro Released: Download The Perfect Windows Replacement
    While listing out the best distros for a Linux beginner, the ease of use and installation are the most critical factors. Such qualities make distros like Linux Mint, Ubuntu, and Zorin OS the most recommended options. In case you’re also concerned about your privacy and security, a shift to the world of Linux becomes a more obvious option. Calling itself a replacement for Windows and macOS, Zorin OS has been established as a beginner-friendly option that offers a smooth ride while making the transition. The latest Zorin OS 12.3 release works to strengthen the basics of the operating system and polishes the whole experience.
  • Ramblings about long ago and far away
    I had originally run MCC (Manchester Computer Center Interim Linux) in college but when I moved it was easier to find a box of floppies with SLS so I had installed that on the 486. I would then download software source code from the internet and rebuild it for my own use using all the extra flags I could find in GCC to make my 20Mhz system seem faster. I instead learned that most of the options didn't do anything on i386 Linux at the time and most of my reports about it were probably met by eye-rolls with the people at Cygnus. My supposed goal was to try and set up a MUD so I could code up a text based virtual reality. Or to get a war game called Conquer working on Linux. Or maybe get xTrek working on my system. [I think I mostly was trying to become a game developer by just building stuff versus actually coding stuff. I cave-man debugged a lot of things using stuff I had learned in FORTRAN but it wasn't actually making new things.]
  • EzeeLinux Show 18.13 | Running Linux On Junk
    A talk about the advantages of running Linux on junk hardware.
  • Best 50 HD Wallpapers for Ubuntu
    Wallpapers are useful in many ways depending on the visual it contains for example if there is a motivational quote on it, it helps to motivate you. The images are the best type of wallpaper because they have an impact on the mind of a human being. So if you are a working professional and have to work continuously on a computer then your desktop cab be a source of inspiration and happiness. So today we are going to share 50 best HD Wallpapers for your Ubuntu which will keep your desktop fresh.
  • Ubuntu Tried Adding Synaptics Support Back To GNOME's Mutter
    GNOME developers previously dropped support for Synaptics and other input drivers from Mutter in favor of the universal libinput stack that is also Wayland-friendly. Canonical developers tried to get Synaptics support on X11 added back into Mutter but it looks clear now that was rejected. Canonical's Will Cooke reported in this week's Ubuntu happenings that they were trying to add upstream support for Synaptics to Mutter, complementing the libinput support. While it's great Canonical trying to contribute upstream to GNOME, Synaptics support was previously dropped as being a maintenance burden and with libinput support getting into rather good shape.
  • Long live Release Engineering
    y involvement in Fedora goes back to late 2003 early 2004 somewhere as a packager for I started by getting a few packages in to scratch some of my itches and I saw it as a way to give back to the greater open source community. Around FC3 somewhere I stepped up to help in infrastructure to rebuild the builders in plague, the build system we used before koji and that we used for EPEL(Something that I helped form) for awhile until we got external repo support in koji. I was involved in the implementation of koji in Fedora, I joined OLPC as a build and release engineer, where I oversaw a move of the OS they shipped from FC6 to F8, and laid a foundation for the move to F9. I left OLPC when Red Hat opensourced RHN Satellite as “spacewalk project” I joined Red Hat as the release engineer for both, after a brief period there was some reorganisation in engineering that resulted in me handing off the release engineering tasks to someone closer the the engineers working on the code. As a result I worked on Fedora full time helping Jesse Keating. When he decided to work on the internal migration from CVS to git I took over as the lead. [...] Recently I have accepted a Job offer to become the manager of a different team inside of Red Hat.

Linux 4.17 Spring Cleaning To Drop Some Old CPU Architectures and Recent Torvalds Interview

  • Linux 4.17 Spring Cleaning To Drop Some Old CPU Architectures
    Longtime Linux kernel developer Arnd Bergmann is working to drop a number of old and obsolete CPU architectures from the next kernel cycle, Linux 4.17. The obsolete CPU architectures set to be removed include Blackfin, CRIS, FR-V, M32R, MN10300, META (Metag), and TILE. Managing to escape its death sentence is the Unicore32 architecture with its port maintainer claiming it's still actively being used and maintained.
  • [Older] Linus Torvalds Interview by Kristaps

    Interviewer: we all know who Linus is, but not many people know he’s also a proficient diver. Why don’t we start at the beginning: where you first started diving, and when you started to take diving seriously.  

    Actually, it was related to open source, in some way. [...]

Software: KDE, DocKnot and More

  • This week in Usability & Productivity, part 10
    Today’s Usability & Productivity status is jam-packed with awesome stuff that I think you’re all really gonna love.
  • DocKnot 1.03
    This is the software that I use to generate documentation for my software. Currently, it just handles README,, and the top-level web page for the package.
  • Linux Release Roundup: Amarok Sees First Release in 3 Years
    The past 7 days have been pretty dang busy in Linux release land. We’ve taken a look at the best GNOME 3.28 features, recapped the latest Firefox 59 changes, and made ourselves comfortable with the latest changes to Linux audiobook player Cozy.

today's howtos/technical