As we have been doing yearly, a few weeks ago we had the 2024 edition of Linux App Summit (LAS). For those of you who don’t know, the Linux App Summit is a conference co-organised between KDE and GNOME among others where to bring together the different stakeholders of the linux ecosystem to make sure we have all the collaboration tools in place to have a great state of the art platform for the uses the world needs from us.

This year it was special in that since it became the Linux App Summit, we held it outside of Europe! We had LAS in Monterrey, the northernmost part of México in the ITESM (Instituto Tecnológico y de Estudios Superiores de Monterrey), a really nice campus and a beautiful venue.

Besides meeting people from other projects as I’d normally do in LAS, this year I had the added opportunity to meet the community the other side of the ocean. There certainly are good differences between how we organise FOSS communities Europe and there, it’s always useful to experience and iterate to ensure we are truly creating a community for everyone.

LAS ’25, Call for hosts

Are you considering bringing such communities to your home town? Please reach out, you can find some information how to do that here: https://linuxappsummit.org/bids/.

In my opinion, organising a conference is one of the best ways to bring FOSS talent to where you are. It’s often hard to find new ways to be part of what we do, this is a great one. I personally had the opportunity to do it in LAS’19 in Barcelona and it was a great experience.

LAS has the added value of being a melting pot of people from different communities so it’s a great opportunity to meet people that you might not crossed paths with before!

Let’s go for my web review for the week 2024-43. It’s published later than usual since I’m attending the Ubuntu Summit 2024 and had to travel because of it.

Microsoft maintains its own Windows debloat scripts on GitHub

Tags: tech, microsoft, criticism, funny

This is indeed telling unfortunately. It’s kind of ironic that they felt the need of having their own debloat scripts.

https://www.osnews.com/story/140955/microsoft-maintains-its-own-windows-debloat-scripts-on-github/

This Is Exactly How an Elon Musk-Funded PAC Is Microtargeting Muslims and Jews With Opposing Messages

Tags: tech, democracy, politics

This is just insane, claiming two opposite things to different demographic groups for political gains. And if you try to stop this kind of manipulative stunts they’d probably cry wolf about free speech…

https://www.404media.co/this-is-exactly-how-an-elon-musk-funded-pac-is-microtargeting-muslims-and-jews-with-opposing-messages/

Big Tech has given itself an AI deadline

Tags: tech, ai, machine-learning, gpt, economics, energy, criticism

More signs of the current bubble being about to burst?

https://www.theatlantic.com/newsletters/archive/2024/10/big-tech-has-given-itself-an-ai-deadline/680301/

Google, Microsoft, and Perplexity promote scientific racism in AI search results

Tags: tech, ai, machine-learning, gpt, criticism

This is what you get by making bots spewing text based on statistics without a proper knowledge base behind it.

https://arstechnica.com/ai/2024/10/google-microsoft-and-perplexity-promote-scientific-racism-in-ai-search-results/

The 3 AI Use Cases: Gods, Interns, and Cogs

Tags: tech, ai, gpt, copilot, language

Using the right metaphors will definitely help with the conversation in our industry around AI. This proposal is an interesting one.

https://www.dbreunig.com/2024/10/18/the-3-ai-use-cases-gods-interns-and-cogs.html

You Don’t Need Words to Think

Tags: cognition, neuroscience, language, logic, knowledge, research

Very interesting research. Looks like we’re slowly moving away from the “language and thinking are intertwined” hypothesis. This is probably the last straw for Chomsky’s theory of language. It served us well but neuroscience points that it’s time to leave it behind.

https://www.scientificamerican.com/article/you-dont-need-words-to-think/

Reliable Reasoning Beyond Natural Language

Tags: tech, ai, machine-learning, gpt, logic, research

Now this is an interesting paper. Neurosymbolic approaches are starting to go somewhere now. This is definitely helped by the NLP abilities of LLMs (which should be used only for that). The natural language to Prolog idea makes sense, now it needs to be more reliable. I’d be curious to know how many times the multiple-try path is exercised (the paper doesn’t quite focus on that). More research is required obviously.

https://arxiv.org/abs/2407.11373

Introducing quantized Llama models with increased speed and a reduced memory footprint

Tags: tech, ai, machine-learning, gpt, optimization

More marketing announcement than real research paper. Still it’s nice to see smaller models being optimized to run on mobile devices. This will get interesting when it’s all local first and coupled to symbolic approaches.

https://ai.meta.com/blog/meta-llama-quantized-lightweight-models/

You Should Probably Pay Attention to Tokenizers

Tags: tech, statistics, ai, machine-learning, gpt, language

This is still an important step with LLM. It’s not because the models are huge that tokenizers disappeared or that you don’t need to clean up your data.

https://cybernetist.com/2024/10/21/you-should-probably-pay-attention-to-tokenizers/

Developing a Beautiful and Performant Block Editor in Qt C++ and QML

Tags: tech, markdown, qt, note-taking, tools

Ah! I wish MarkNotes or KleverNotes would work like this. I wish we’d have a reusable component in KDE Frameworks too. This is quite some work of course, too bad this isn’t FOSS.

https://rubymamistvalove.com/block-editor

Bookmark Keywords

Tags: tech, browser, firefox, bookmarks

A very useful but indeed little known feature of Firefox bookmarks.

https://paper.wf/binarycat/bookmark-keywords

The IPv6 Transition

Tags: tech, internet, protocols, ip

Looks like we’re stuck in the middle of the bridge. Also looks like the motivation to finish the transition isn’t high.

https://www.potaroo.net/ispcol/2024-10/ipv6-transition.html

against /tmp

Tags: tech, programming, unix, security

Good reminder that /tmp has many security flaws built in.

https://dotat.at/@/2024-10-22-tmp.html

The Part of PostgreSQL We Hate the Most

Tags: tech, databases, postgresql, design

Since everything has design choices which imply trade offs. Here is the main issue with PostgreSQL right now. Hopefully it’ll get modernized at some point.

https://www.cs.cmu.edu/~pavlo/blog/2023/04/the-part-of-postgresql-we-hate-the-most.html

Sensible SQLite defaults

Tags: tech, backend, databases, sqlite

Another nice list of defaults for SQLite. Some of them I didn’t have on my radar.

https://briandouglas.ie/sqlite-defaults/

Using uv to develop Python command-line applications

Tags: tech, python, developer-experience

uv keeps showing promise to make development easier. It makes everything very much self contained.

https://til.simonwillison.net/python/uv-cli-apps

Use data that looks like data

Tags: tech, programming, debugging

Definitely a sound advice. You don’t want to be confused when debugging something because it looks too much like a variable or a property name.

https://registerspill.thorstenball.com/p/use-data-that-looks-like-data

pytest selection arguments for failing tests

Tags: tech, tests, python

Another example of why pytest is really a nice test runner. I really miss it on projects which don’t have it.

https://mathspp.com/blog/til/pytest-selection-arguments-for-failing-tests

SMURF: Beyond the Test Pyramid

Tags: tech, tests

Indeed a good way to reason about tests and the value they bring.

https://testing.googleblog.com/2024/10/smurf-beyond-test-pyramid.html?m=1

I’ve been writing software for the last 25 years. Here some things I learned so far

Tags: tech, career, engineering, craftsmanship, complexity

Another good set of advices. They’re not all technical which is to be expected.

https://blog.rpanachi.com/after-25-years-writing-software-here-some-things-learned-so-far

Framework overload: when convenience dulls innovation in software development

Tags: tech, framework, complexity, knowledge, learning, debugging, craftsmanship

I very much agree with this. The relationship between developers and their frameworks is rarely healthy. I think the author misses an important advice though: read the code of your frameworks. When stuck invest sometime stepping into the frameworks with the debugger. Developers too often treat those as a black box.

https://prahladyeri.github.io/blog/2024/10/framework-overload.html

Learning to learn

Tags: tech, learning, career

Definitely the most important skill to develop. Especially in our profession.

https://kevin.the.li/posts/learning-to-learn/

How do we evaluate people for their technical leadership?

Tags: tech, management, career, hr

Lots of open questions which are left unanswered. That said it shows how difficult it is to evaluate knowledge workers in general and that we’re often grasping to the wrong metrics.

https://chelseatroy.com/2024/03/29/how-do-we-evaluate-people-for-their-technical-leadership/

Ground Rules of Fairness at Work

Tags: management, transparency, fair

Transparency and fairness are definitely important to keep people motivated across an organization. That doesn’t make it easy to deal with of course, but that’s where managers should focus.

https://read.perspectiveship.com/p/fairness-at-work

Bye for now!

This week, we realized that there are a few things we need to do to button-down our use of colors in a way that makes sense, not just for designers but also for developers.

As we find inspiration on what others are doing, we will make a couple of changes in the design system when it comes to colors.

1. Select UI colors using HCT color methodology.
2. Adopt a similar variable/token naming strategy as Material Design

HCT (hue, chroma, tone) Method

As suggested by team members, the HCT color selection methodology has a few advantages:

1. Accessibility
   • Standard calculation method for color selection rather than by doing manual contrast calculations. This allows for all selected colors to be separated and distinct-enough from each other that users can see color differences in their applications.
2. Perceptual accuracy
   • HCT allows for seeing colors more accurately at a perceptual level.
3. Consistent lightness and colorfulness
   • Consistent lightness and colorfulness across hues. 
4. Precise color and tonal accuracy
   • More precise color and tonal accuracy, especially in dark shadows and richly-saturated colors. 
5. Higher dynamic range and wider color gamut
   • Provides a wider color gamut and higher dynamic range than typical camera targets.

In our team, we have 3 people currently working on this. Not only are we selecting colors, but also creating a color-use system that all users can understand.

Building logic use into the colors allows for less dependence on people but something we can document and anyone looking at it would be able to understand regardless of their specialty.

Tokens

A few of the questions we had as a team while producing the design system were, how can we make it so that developers and designers understand all the pieces used in the design system, but at a development level?

One of the things that applications such as Figma and PenPot allow is for designers to define the names of each of the elements used in a design. We create variables names for stuff like fonts and colors. However, while that’s helpful, we also have to have logic behind the naming so that our developer friends are not confused by the use of variable names in the design system.

For this purpose, design system creators often use a token system that ensures naming between the design system and development is consistent, predictable, and useful.

Material design has a robust naming idea around tokens. It works a little like this:

The types of tokens are:

1. Reference tokens
   All available tokens with associated values
   
2. System tokens
   Decisions and roles that give the design system its character, from color and typography, to elevation and shape
   
3. Component tokens
   The design attributes assigned to elements in a component, such as the color of a button icon

We consulted with the team members and it seems like a good strategy. Right now, we don’t have any of the reference or system tokens but we use component tokens in some capacities. The idea is to create and organize the naming conventions around the token ideas from Material. We may still decide to change some of the naming conventions but keep the general idea.

Note that we don’t have the intention of replacing current tokens. The process would be to add new ones that developers would begin using over time while keeping the ones we already have.

What this means for us in the design system, is that we will change our design variables to reflect this organization and when communicating the changes to the dev team, we will provide tables showing all the variables/tokens used. It will also contain which elements of the design system are included in a reference, system, or component token.

If you would like to participate of this effort, you’re welcome to join us here:

Our channel is dedicated to working on the design system. For general Visual Design questions, you can access our team here:
https://matrix.to/#/#visualdesigngroup:kde.org

I’m going to change up the Calamares release process a little. It’s been slow going as a community-maintained project – which isn’t to say that that is a bad thing. Just slow. I’ve decided to make releases marginally more predictable than “when [ade] has a relaxed kind of Tuesday” and have marked a couple of issues with the Calamares 3.3 milestone. When the milestone is empty again, then there will be a release. After the next release, I’ll put a couple more issues on the milestone, and the recipe can be repeated.

Many years ago I was involved in software-quality research – the SQO-OSS project and things like that. That work begat the code-quality checking scripts that we in the KDE community called “the EBN”, or EnglishBreakfastNetwork. I was a tea-drinker then. The EBN stuff has been surpassed by Klazy and many other software-quality-checking tools. But the EBN domain carries on. Although I haven’t got anything to put on it I just renewed the domain again for two years – just in case.

10 Tips to Make Your QML Code Faster and More Maintainable

add_executable(myapp main.cpp)

qt_add_qml_module(myapp
 URI "org.kde.myapp"
 QML_FILES Main.qml
)

qmlRegisterType("org.kde.myapp", 1, 0, "MyThing");

class MyThing : public QObject
{
    Q_OBJECT
    QML_ELEMENT
};

qt_add_qml_module(myapp
 URI "org.kde.myapp"
 QML_FILES Main.qml
 DEPENDENCIES QtCore
)

namespace MyApp {

class MyHelper : public QObject {
    Q_OBJECT
};

class MyThing : public QObject {
    Q_OBJECT
    QML_ELEMENT
    Q_PROPERTY(MyHelper *helper READ helper CONSTANT) // bad
    Q_PROPERTY(MyApp::MyHelper *helper READ helper CONSTANT) // good
    ...
};
}

property var size: 10 // bad
property int size: 10 // good

property var thing // bad
property MyThing thing // good

Item {
    id: thing

    property int size: 10

    Rectangle {
        width: parent.size // bad, Item has no 'size' property
        height: thing.height // good, lookup via id

        color: parent.enabled ? "red" : "black" // good, Item has 'enabled' property
    }
}

function calculateArea(width: double, height: double) : double {
    return width * height
}

MouseArea {
    onClicked: event => console.log("clicked at", event.x, event.y)
}

Item {
    id: root
    property int size: 10

    Rectangle {
        width: size // bad, unqualified lookup
        height: root.size // good, qualified lookup
    }
}

ListView {
    model: MyModel

    delegate: ItemDelegate {
        text: name // bad, lookup from context
        icon.name: model.iconName // more readable, but still bad

        required property bool active // good, using required property
        checked: active
    }
}

pragma ComponentBehavior: Bound

import QtQuick

Item {
    id: root

    property int delegateHeight: 10

    ListView {
        model: MyModel

        delegate: Rectangle {
            height: root.delegateHeight // good with ComponentBehavior: Bound, bad otherwise
        }
    }
}

The post 10 Tips to Make Your QML Code Faster and More Maintainable appeared first on KDAB.

If you want to contribute to KDE in a significant way (beyond coding), here is your opportunity — help us organize Akademy 2025!

We are seeking hosts for Akademy 2025, which will occur in June, July, August, or September. This is your chance to bring KDE’s biggest event to your city! Download the Call for Hosts guide and submit your proposal to akademy-proposals@kde.org by December 1, 2024.

Feel free to reach out with any questions or concerns! We are here to help you organise a successful event and are here to offer you any advice, guidance, or help you need. Let’s work together to make Akademy 2025 an event to remember.

Kdenlive 24.08.2 is out with many fixes to a wide range of bugs and regressions.

Oxygen Icons 6.1.0 is a feature release of the Oxygen Icon set.

It features new SVG symbolic icons for use in Plasma Applets.

It also features improved icon theme compliance, fixed visability and added mimetype links.

URL: https://download.kde.org/stable/oxygen-icons/
Source: oxygen-icons-6.1.0.tar.xz
SHA256: 16ca971079c5067c4507cabf1b619dc87dd6b326fd5c2dd9f5d43810f2174d68
Signed by: E0A3EB202F8E57528E13E72FD7574483BB57B18D Jonathan Riddell jr@jriddell.org
https://jriddell.org/jriddell.pgp

Hey folks! Apologies for the long gap since my last post. A lot has happened both personally and professionally—I got a new job and relocated, which led to me extending my GSoC deadline to wrap up the remaining tasks. I’m happy to share that I’ve now completed everything, and all the pending MRs related to my GSoC work have been merged. Here’s a quick overview:

MRs merged:

• Reset form implementation in Okular : Okular now has form reset functionality, allowing you to clear fields or return them to their default values. !MR1007
• Support for MouseDown, MouseEnter and MouseExit events : The corresponding event object is now generated when these mouse events are triggered. !MR994
• Keystroke, Validate, Calculate and Format event support for Comboboxes : These essential events were previously not triggered for comboboxes. This MR adds support for them. !MR1027
• Fix order of execution of events for text form fields : Keystroke, Validate, Calculate, and Format actions weren’t always executed in the correct order, especially during undo/redo or when modified via JavaScript. This MR fixes that and ensures KVCF actions are only triggered when a field value is committed, improving keyboard usability. !MR1002
• Support for modifying the appearance stream text in form field choice (Poppler) : Added functionality to modify appearance stream text in form fields without altering their actual values. !MR1590
• SubmitForm functionality (Poppler) : Support for reading the SubmitForm action was added to Poppler. While Okular doesn’t yet implement the actual submission process, this lays the groundwork for future integration. !MR1579

Future Scope:

Although much progress has been made during GSoC’24, there are still many areas where Okular’s PDF form functionality could be expanded:

• The actual submission of forms in Okular can be built on top of the SubmitForm action now supported by Poppler.
• Adding support for the SelectionChange event in ListBoxes would enhance their interactivity.
• Additional functions could be implemented for CheckBoxes, ComboBoxes, and ListBoxes, such as programmatically checking items, clearing, deleting, inserting, and setting items. Some of these changes would also require updates to Poppler.
• Improving keyboard navigation for form fields could further boost accessibility and ease of use.

Conclusion:

Participating in GSoC with KDE and contributing to Okular has been an incredible learning experience, and I’m proud of the contributions made. Huge thanks to my mentor, Albert Astals Cid, for his constant support, guidance, and patience through all my mistakes. Special thanks to Sune Vuorela for his reviews and insights which helped me learn a lot, and to the KDE Mentorship and GSoC teams for their indirect but invaluable help. I’m looking forward to continuing my journey with KDE.

See you next time. Cheers!