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The M8 has extensive USB audio and MIDI capabilities, but it cannot be a USB MIDI host. So you can control other devices through USB MIDI, but cannot sent to it over USB.
Control Surface & Pots for M8Controlling things via USB devices has to be done through the old TRS (A) jacks. There’s two devices that can aid in that. I’ve used the RK06 which is very featureful, but in a very clumsy plastic case and USB micro cable that has a splitter for the HOST part and USB Power in. It also sometimes doesn’t reset properly when having multiple USB devices attached through a hub. The last bit is why I even bother with this setup.
The Dirtywave M8 has amazing support for the Novation Launchpad Pro MK3. Majority of peolpe hook it up directly to the M8 using the TRS MIDI cables. The Launchpad lacks any sort of pots or encoders though. Thus the need to fuss with USB dongles. What you need is to use the Launchpad Pro as a USB controller and shun at the reliable MIDI connection. The RK06 allows to combine multiple USB devices attached through an unpowered USB hub. Because I am flabbergasted how I did things here’s a schema that works.
If it doesn’t work, unplug the RK06 and turn LPPro off and on in the M8. I hate this setup but it is the only compact one that works (after some fiddling that you absolutely hate when doing a gig).
Intech KnotThe Hungarians behind the Grid USB controlles (with first class Linux support) have a USB>MIDI device called Knot. It has one great feature of a switch between TRS A/B for the non-standard devices.
It is way less fiddly than the RK06, uses nice aluminium housing and is sturdier. Hoewer it doesn’t seem to work with the Launchpad Pro via USB and it seems to be completely confused by a USB hub, so it’s not useful for my use case of multiple USB controllers.
Non-compact but ReliableNovation came out with the Launch Control XL, which sadly replaced pots in the old one with encoders (absolute vs relative movement), but added midi in/ou/through with a MIDI mixer even. That way you can avoid USB altogether and get a reliable setup with control surfaces and encoders and sliders.
One day someone comes up with a compact midi capable pots to play along with Launchpad Pro ;) This post has been brought to you by an old man who forgets things.
For coding and software engineering, I’ve used and experimented with various frontends (FOSS and proprietary) to multiple foundation models (mostly proprietary) trying to keep up with the state of the art. I’ve come to strongly believe in a few things:
All AI is at risk of prompt injection to some degree, but it’s particularly dangerous with agentic coding. All the state of the art today knows how to do is mitigate it at best. I don’t think it’s a reason to avoid AI, but it’s one of the top reasons to use AI thoughtfully and carefully for products that have any level of criticality.
OpenAI’s Codex documentation has a simple and good example of this.
Disabling the tests and claiming successBeyond that, I’ve experienced multiple times different models happily disabling the tests or adding a println!("TODO add testing here") and claim success. At least this one is easier to mitigate with a second agent doing code review before it gets to human review.
SandboxingThe “can I do X” prompting model that various interfaces default to is seriously flawed. Anthropic has a recent blog post on Claude Code changes in this area.
My take here is that sandboxing is only part of the problem; the other part is ensuring the agent has a reproducible environment, and especially one that can be run in IaaS environments. I think devcontainers are a good fit.
I don’t agree with the statement from Anthropic’s blog
without the overhead of spinning up and managing a container.
I don’t think this is overhead for most projects because Where it feels like it has overhead, we should be working to mitigate it.
Running code as separate login usersIn fact, one thing I think we should popularize more on Linux is the concept of running multiple unprivileged login users. Personally for the tasks I work on, it often involves building containers or launching local VMs, and isolating that works really well with a full separate “user” identity. An experiment I did was basically useradd ai and running delegated tasks there instead. To log in I added %wheel ALL=NOPASSWD: /usr/bin/machinectl shell ai@ to /etc/sudoers.d/ai-login so that my regular human user could easily get a shell in the ai user’s context.
I haven’t truly “operationalized” this one as juggling separate git repository clones was a bit painful, but I think I could automate it more. I’m interested in hearing from folks who are doing something similar.
Parallel, IaaS-ready agents…with reviewI’m today often running 2-3 agents in parallel on different tasks (with different levels of success, but that’s its own story).
It makes total sense to support delegating some of these agents to work off my local system and into cloud infrastructure.
In looking around in this space, there’s quite a lot of stuff. One of them is Ona (formerly Gitpod). I gave it a quick try and I like where they’re going, but more on this below.
Github Copilot can also do something similar to this, but what I don’t like about it is that it pushes a model where all of one’s interaction is in the PR. That’s going to be seriously noisy for some repositories, and interaction with LLMs can feel too “personal” sometimes to have permanently recorded.
Credentials should be on demand and fine grained for tasksTo me a huge flaw with Ona and one shared with other things like Langchain Open-SWE is basically this:
Sorry but: no way I’m clicking OK on that button. I need a strong and clearly delineated barrier between tooling/AI agents acting “as me” and my ability to approve and push code or even do basic things like edit existing pull requests.
Github’s Copilot gets this more right because its bot runs as a distinct identity. I haven’t dug into what it’s authorized to do. I may play with it more, but I also want to use agents outside of Github and I also am not a fan of deepening dependence on a single proprietary forge either.
So I think a key thing agent frontends should help do here is in granting fine-grained ephemeral credentials for dedicated write access as an agent is working on a task. This “credential handling” should be a clearly distinct component. (This goes beyond just git forges of course but also other issue trackers or data sources that may be in context).
ConclusionThere’s so much out there on this, I can barely keep track while trying to do my real job. I’m sure I’m not alone – but I’m interested in other’s thoughts on this!
Good morning!
I spent some time figuring out why my build PC was running so slowly today. Thanks to some help from my very smart colleagues I came up with this testcase in Nushell to measure CPU performance:
We are copying 10MB of random data into a file and compressing it with bzip2. 0.55 seconds is a pretty good time to compress 10MB of data with bzip2.
But! As soon as I ran a virtual machine, this same test started to take 4 or 5 seconds, both on the host and in the virtual machine.
There is already a new Fedora kernel available and with that version (6.17.4-200.fc42.x86_64) I don’t see any problems. I guess some issue affecting AMD Ryzen virtualization that got fixed already.
Have a fun day!
edit: The problem came back with the new kernel as well. I guess this not going to be a fun day.
A couple of months ago I shared that I was looking for what was next for me, and I’m thrilled to report that I’ve found it: I’m joining ROOST as OSS Community Manager!
What is ROOST?I’ll let our website do most of the talking, but I can add some context based on my conversations with the rest of the incredible ROOSTers over the past few weeks. In a nutshell, ROOST is a relatively new nonprofit focused on building, distributing, and maintaining the open source building blocks for online trust and safety. It was founded by tech industry veterans who saw the need for truly open source tools in the space, and were sick of rebuilding the exact same internal tools across multiple orgs and teams.
The way I like to frame it is how you wouldn’t roll your own encryption; why would you roll your own trust and safety tooling? It turns out that currently every platform, service, and community has to reinvent all of the hard work to ensure people are safe and harmful content doesn’t spread. ROOST is teaming up with industry partners to release existing trust and safety tooling as open source and to build the missing pieces together, in the open. The result is that teams will no longer have to start from scratch and take on all of the effort (and risk!) of rolling their own trust and safety tools; instead, they can reach for the open source projects from ROOST to integrate into their own products and systems. And we know open source is the right approach for critical tooling: the tools themselves must be transparent and auditable, while organizations can customize and even help improve this suite of online safety tools to benefit everyone.
This Platformer article does a great job of digging into more detail; give it a read. :) Oh, and why the baby chick? ROOST has a habit of naming things after birds—and I’m a baby ROOSTer. :D
What is trust and safety?I’ve used the term “trust and safety” a ton in this post; I’m no expert (I’m rapidly learning!), but think about protecting users from harm including unwanted sexual content, misinformation, violent/extremist content, etc. It’s a field that’s much larger in scope and scale than most people probably realize, and is becoming ever more important as it becomes easier to generate massive amounts of text and graphic content using LLMs and related generative “AI” technologies. Add in that those generative technologies are largely trained using opaque data sources that can themselves include harmful content, and you can imagine how we’re at a flash point for trust and safety; robust open online safety tools like those that ROOST is helping to build and maintain are needed more than ever.
What I’ll be doingMy role is officially “OSS Community Manager,” but “community manager” can mean ten different things to ten different people (which is why people in the role often don’t survive long at a company…). At ROOST, I feel like the team knows exactly what they need me to do—and importantly, they have a nice onramp and initial roadmap for me to take on! My work will mostly focus on building and supporting an active and sustainable contributor community around our tools, as well as helping improve the discourse and understanding of open source in the trust and safety world. It’s an exciting challenge to take on with an amazing team from ROOST as well as partner organizations.
My work with GNOMEI’ll continue to serve on the GNOME Foundation board of directors and contribute to both GNOME and Flathub as much as I can; there may be a bit of a transition time as I get settled into this role, but my open source contributions—both to trust and safety and the desktop Linux world—are super important to me. I’ll see you around!
Over the past few months, I’ve been struggling with a tough question. How do I balance my work commitments and personal life while still contributing to open source?
On the surface, it looks like a weird question. Like I really enjoy contributing and working with contributors, and when I was in college, I always thought... "Why do people ever step back? It is so fun!". It was the thing that brought a smile to my face and took off any "stress". But now that I have graduated, things have taken a turn.
It is now that when work pressure mounts, you use the little time you get to not focus on writing code and instead perform some kind of hobby, learn something new or spend time with family. Or, just endless video scroll and sleep.
This has led me to be on my lowest contributions streak and not able to work on all those cool things I imagined, like reworking the Pitivi timeline in Rust, finishing that one MR in GNOME Settings that is stuck for ages, or fixing some issues in GNOME Extensions website, or work on my own extension's feature request, or contributing to the committees I am a part of.
It’s reached a point where I’m genuinely unsure how to balance things anymore, and hence wanted to give all whom I might not have been able to reply to or have not seen me for a long time an update, that I'm there but just in a dilemma of how to return.
I believe I'm not the only one who faces this. After guiding my juniors for a long while on how to contribute and study at the same time and still manage time for other things, I now am at a road where I am in the same situation. So, if anyone has any insights on how they manage their time, or keep up the motivation and juggle between tasks, do let me know (akaushik [at] gnome [dot] org), I'd really appreciate any insights :)
One of them would probably be to take fewer things on my plate?
Perhaps this is just a new phase of learning? Not about code, but about balance.
tl;dr: Flathub has improved tooling to make license compliance easier for developers. Distros should rebuild OS images with updated runtimes from Flathub; app developers should ensure they're using up-to-date runtimes and verify that licenses and copyright notices are properly included.
In early August, a concerned community member brought to our attention that copyright notices and license files were being omitted when software was bundled as Flatpaks and distributed via Flathub. This was a genuine oversight across multiple projects, and we're glad we've been able to take the opportunity to correct and improve this for runtimes and apps across the Flatpak ecosystem.
Over the past few months, we've been working to enhance our tooling and infrastructure to better support license compliance. With the support of the Flatpak, freedesktop-sdk, GNOME, and KDE teams, we've developed and deployed significant improvements that make it easier than ever for developers to ensure their applications properly include license and copyright notices.
What's NewIn coordination with maintainers of the freedesktop-sdk, GNOME, and KDE runtimes, we've implemented enhanced license handling that automatically includes license and copyright notice files in the runtimes themselves, deduplicated to be as space-efficient as possible. This improvement has been applied to all supported freedesktop-sdk, GNOME, and KDE runtimes, plus backported to freedesktop-sdk 22.08 and newer, GNOME 45 and newer, KDE 5.15-22.08 and newer, and KDE 6.6 and newer. These updated runtimes cover over 90% of apps on Flathub and have already rolled out to users as regular Flatpak updates.
We've also worked with the Flatpak developers to add new functionality to flatpak-builder 1.4.5 that automatically recognizes and includes common license files. This enhancement, now deployed to the Flathub build service, helps ensure apps' own licenses as well as the licenses of any bundled libraries are retained and shipped to users along with the app itself.
These improvements represent an important milestone in the maturity of the Flatpak ecosystem, making license compliance easier and more automatic for the entire community.
Recommended Actions App DevelopersWe encourage you to rebuild your apps with flatpak-builder 1.4.5 or newer to take advantage of the new automatic license detection. You can verify that license and copyright notices are properly included in your Flatpak's /app/share/licenses, both for your app and any included dependencies. In most cases, simply rebuilding your app will automatically include the necessary licenses, but you can also fine-tune which license files are included using the license-files key in your app's Flatpak manifest if needed.
For apps with binary sources (e.g. debs or rpms), we encourage app maintainers to explicitly include relevant license files in the Flatpak itself for consistency and auditability.
End-of-life runtime transition: To focus our resources on maintaining high-quality, up-to-date runtimes, we'll be completing the removal of several end-of-life runtimes in January 2026. Apps using runtimes older than freedesktop-sdk 22.08, GNOME 45, KDE 5.15-22.08 or KDE 6.6 will be marked as EOL shortly. Once these older runtimes are removed, the apps will need to be updated to use a supported runtime to remain available on Flathub. While this won't affect existing app installations, after this date, new users will be unable to install these apps from Flathub until they're rebuilt against a current runtime. Flatpak manifests of any affected apps will remain on the Flathub GitHub organization to enable developers to update them at any time.
If your app currently targets an end-of-life runtime that did receive the backported license improvements, we still strongly encourage you to upgrade to a newer, supported runtime to benefit from ongoing security updates and platform improvements.
DistributorsIf you redistribute binaries from Flathub, such as pre-installed runtimes or apps, you should rebuild your distributed images (ISOs, containers, etc.) with the updated runtimes and apps from Flathub. You can verify that appropriate licenses are included with the Flatpaks in the runtime filesystem at /usr/share/licenses inside each runtime.
Get in TouchApp developers, distributors, and community members are encouraged to connect with the team and other members of the community in our Discourse forum and Matrix chat room. If you are an app developer or distributor and have any questions or concerns, you may also reach out to us at admins@flathub.org.
Thank You!We are grateful to Jef Spaleta from Fedora for his care and confidentiality in bringing this to our attention and working with us collaboratively throughout the process. Special thanks to Boudhayan Bhattcharya (bbhtt) for his tireless work across Flathub, Flatpak and freedesktop-sdk, on this as well as many other important areas. And thank you to Abderrahim Kitouni (akitouni), Adrian Vovk (AdrianVovk), Aleix Pol Gonzalez (apol), Bart Piotrowski (barthalion), Ben Cooksley (bcooksley), Javier Jardón (jjardon), Jordan Petridis (alatiera), Matthias Clasen (matthiasc), Rob McQueen (ramcq), Sebastian Wick (swick), Timothée Ravier (travier), and any others behind the scenes for their hard work and timely collaboration across multiple projects to deliver these improvements.
Our Linux app ecosystem is truly strongest when individuals from across companies and projects come together to collaborate and work towards shared goals. We look forward to continuing to work together to ensure app developers can easily ship their apps to users across all Linux distributions and desktop environments. ♥
Time for another GNOME Crosswords release! This one highlights the features our interns did this past summer. We had three fabulous interns — two through GSoC and one through Outreachy. While this release really only has three big features — one from each — they were all fantastic.
Thanks goes to to my fellow GSoC mentors Federico and Tanmay. In addition, Tilda and the folks at Outreachy were extremely helpful. Mentorship is a lot of work, but it’s also super-rewarding. If you’re interested in participating as a mentor in the future and have any questions about the process, let me know. I’ll be happy to speak with you about them.
Dictionary pipeline improvementsFirst, our Outreachy intern Nancy spent the summer improving the build pipeline to generate the internal dictionaries we use. These dictionaries are used to provide autofill capabilities and add definitions to the Editor, as well as providing near-instant completions for both the Editor and Player. The old pipeline was buggy and hard to maintain. Once we had a cleaned it up, Nancy was able to use it to effortlessly produce a dictionary in her native tongue: Swahili.
A Grid in swahiliWe have no distribution story yet, but it’s exciting to have it so much easier to create dictionaries in other languages. It opens the door to the Editor being more universally useful (and fulfills a core GNOME tenet).
You can read about it more details in Nancy’s final report.
Word ListVictor did a ton of research for Crosswords, almost acting like a Product Manager. He installed every crossword editor he could find and did a competitive analysis, noting possible areas for improvement. One of the areas he flagged was the word list in our editor. This list suggests words that could be used in a given spot in the grid. We started with a simplistic implementation that listed every possible word in our dictionary that could fit. This approach— while fast — provided a lot of dead words that would make the grid unsolvable. So he set about trying to narrow down that list.
New Word List showing possible optionsIt turns out that there’s a lot of tradeoffs to be made here (Victor’s post). It’s possible to find a really good set of words, at the cost of a lot of computational power. A much simpler list is quick but has dead words. In the end, we found a happy medium that let us get results fast and had a stable list across a clue. He’ll be blogging about this shortly.
Victor also cleaned up our development docs, and researched satsolve algorithms for the grid. He’s working on a lovely doc on the AC-3 algorithm, and we can use it to add additional functionality to the editor in the future.
PrintingToluwaleke implemented printing support for GNOME Crosswords.
This was a tour de force, and a phenomenal addition to the Crosswords codebase. When I proposed it for a GSoC project, I had no idea how much work this project could involve. We already had code to produce an svg of the grid — I thought that we could just quickly add support for the clues and call it a day. Instead, we ended up going on a wild ride resulting in a significantly stronger feature and code base than we had going in.
His blog has more detail and it’s really quite cool (go read it!). But from my perspective, we ended up with a flexible and fast rendering system that can be used in a lot more places. Take a look:
https://blogs.gnome.org/jrb/files/2025/10/output_video.webmThe resulting PDFs are really high quality — they seem to look better than some of the newspaper puzzles I’ve seen. We’ll keep tweaking them as there are still a lot of improvements we’d like to add, such as taking the High Contrast / Large Text A11Y options into account. But it’s a tremendous basis for future work.
Increased PolishThere were a few other small things that happened
Now that these big changes have landed, it’s time to go back to working on the rest of the changes proposed for GNOME Circle.
Until next time, happy puzzling!
A few months ago, I introduced my GSoC project: Adding Printing Support to GNOME Crosswords. Since June, I’ve been working hard on it, and I’m happy to share that printing puzzles is finally possible!
The ResultGNOME Crosswords now includes a Print option in its menu, which opens the system’s print dialog. After adjusting printer settings and page setup, the user is shown a preview dialog with a few crossword-specific options, such as ink-saving mode and whether (and how) to include the solution. The options are intentionally minimal, keeping the focus on a clean and straightforward printing experience.
Below is a short clip showing the feature in action:
The resulting file: output.pdf
Crosswords now also ships with a standalone command-line tool, ipuz2pdf, which converts any IPUZ puzzle file into a print-ready PDF. It offers a similarly minimal set of layout and crossword-specific options.
The ProcessWorking on a feature of this scale came with plenty of challenges. Getting familiar with a large codebase took patience, and understanding how everything fit together often meant careful study and experimentation. Balancing ideas with the project timeline and navigating code reviews pushed me to grow both technically and collaboratively.
On the technical side, rendering and layout had their own hurdles. Handling text metrics, scaling, and coordinate transformations required a mix of technical knowledge, critical thinking, and experimentation. Even small visual glitches could lead to hours of debugging. One notably difficult part was implementing the box layout system that powers the dynamic print layout engine.
The LessonsThis project taught me a lot about patience, focus, and iteration. I learned to approach large problems by breaking them into small, testable pieces, and to value clarity and simplicity in both code and design. Code reviews taught me to communicate ideas better, accept feedback gracefully, and appreciate different perspectives on problem-solving.
On the technical side, working with rendering and layout systems deepened my understanding of graphics programming. I also learned how small design choices can ripple through an entire codebase, and how careful abstraction and modularity can make complex systems easier to evolve.
Above all, I learned the value of collaboration, and that progress in open source often comes from many small, consistent improvements rather than big leaps.
The ConclusionIn the end, I achieved all the goals set out for the project, and even more. It was a long and taxing journey, but absolutely worth it.
The GratitudeI’m deeply grateful to my mentors, Jonathan Blandford and Federico Mena Quintero, for their guidance, patience, and support throughout this project. I’ve learned so much from working with them. I’m also grateful to the GNOME community and Google Summer of Code for making this opportunity possible and for creating such a welcoming environment for new contributors.
What Comes AfterNo project is ever truly finished, and this one is no exception. There’s still plenty to be done, and some already have tracking issues. I plan to keep improving the printing system and related features in GNOME Crosswords.
I also hope to stay involved in the GNOME ecosystem and open-source development in general. I’m especially interested in projects that combine design, performance, and system-level programming. More importantly, I’m a recent CS graduate looking for a full-time role in the field of interest stated earlier. If you have or know of any opportunities, please reach out at feyidab01@gmail.com.
Finally, I plan to write a couple of follow-up posts diving into interesting parts of the process in more detail. Stay tuned!
Thank you!I have just released CapyPDF 1.8. It's mostly minor fixes and tweaks but there are two notable things. The first one is that CapyPDF now supports variable axis fonts. The other one is that CapyPDF will now produce PDF version 2.0 files instead of 1.7 by default. This might seem like a big leap but really isn't. PDF 2.0 is pretty much the same as 1.7, just with documentation updates and deprecating (but not removing) a bunch of things. People using PDF have a tendency to be quite conservative in their versions, but PDF 2.0 has been out since 2017 with most of it being PDF 1.7 from 2008.
It is still possible to create version with older PDF specs. If you specify, say, PDF/X3, CapyPDF will output PDF 1.3 as the spec requires that version and no other even though, for example, Adobe's PDF tools accept PDF/X3 whose version later than 1.3.
The PDF specification is currently undergoing major changes and future versions are expected to have backwards incompatible features such as HDR imaging. But 2.0 does not have those yet.
Things CapyPDF supportsCapyPDF has implemented a fair chunk of the various PDF specs:
If you’re working with Laravel and using Laravel Mix to manage your CSS and JavaScript assets, you may have come across an error like this:
Spatie\LaravelIgnition\Exceptions\ViewException Message: Unable to locate Mix file: /assets/vendor/css/rtl/core.cssOr in some cases:
Illuminate\Foundation\MixFileNotFoundException Unable to locate Mix file: /assets/vendor/fonts/boxicons.cssThis error can be frustrating, especially when your project works perfectly on one machine but fails on another. Let’s break down what’s happening and how to solve it.
What Causes This Error?Laravel Mix is a wrapper around Webpack, designed to compile your resources/ assets (CSS, JS, images) into the public/ directory. The mix() helper in Blade templates references these compiled assets using a special file: mix-manifest.json.
This error occurs when Laravel cannot find the compiled asset. Common reasons include:
Here’s a step-by-step solution:
1. Install NPM dependenciesMake sure you have Node.js installed, then run:
npm install 2. Compile your assetsThis will generate your CSS and JS files in the public folder and update mix-manifest.json.
3. Check mix-manifest.jsonEnsure the manifest contains the file Laravel is looking for:
"/assets/vendor/css/rtl/core.css": "/assets/vendor/css/rtl/core.css" 4. Adjust Blade template pathsIf you don’t use RTL, you can set:
$configData['rtlSupport'] = '';so the code doesn’t try to load /rtl/core.css unnecessarily.
5. Clear cachesLaravel may cache old views and configs. Clear them:
php artisan view:clear php artisan config:clear php artisan cache:clear Pro TipsThe “Unable to locate Mix file” error is not a bug in Laravel, but a result of missing compiled assets or misconfigured paths. Once you:
As a follow up of the Hackweek 24 project, I've continued working on the gnome-tour fork for openSUSE with custom pages to replace the welcome application for openSUSE distributions.
GNOME Tour modificationsAll the modifications are on top of upstream gnome-tour and stored in the openSUSE/gnome-tour repo
The original opensuse-welcome is a qt application, and this one is used for all desktop environments, but it's more or less unmaintained and looking for a replacement, we can use the gnome-tour fork as the default welcome app for all desktop without a custom app.
To do a minimal desktop agnostic opensuse-welcome application, I've modified the gnome-tour to also generate a second binary but just with the last page.
The new opensuse-welcome rpm package is built as a subpackage of gnome-tour. This new application is minimal and it doesn't have lots of requirements, but as it's a gtk4 application, it requires gtk and libadwaita, and also depends on gnome-tour-data to get the resoures of the app.
To improve this welcome app we need to review the translations, because I added three new pages to the gnome-tour and that specific pages are not translated, so I should regenerate the .po files for all languages and upload to openSUSE Weblate for translations.