Wikimedia Hackathon Northwestern Europe 2026

Historically I’m terrible at post Hackathon write ups, though a few do exist… (#hackathon posts). For the past few days I have been attending the Wikimedia Hackathon Northwestern Europe 2026 in Arnhem NL with around 70 other people. Around 42 projects were shown at the showcase, and I want to briefly look at some of … Read more

Wikimedia Commons Android App Pre-Hackathon

The Wikimedia Commons Android App allows users to upload photos to Commons directly from their phone. The website for the app details some of the features and the code can be found on GitHub. A hackathon was organized in Prague to work on the app in the run up to the yearly Wikimedia Hackathon which … Read more

Wikimedia Hackathon 2015 (Lyon)

This years Wikimedia Hackathon was located in Lyon, France at Valpré-Lyon between the 23rd and 25th of May. The hotel (Valpre-Lyon) was absolutely beautiful with large grass areas, great architecture and a place for you weather you wanted to have a large or small discussion, sit quietly or sit outside. As well as Pétanque, table tennis was also available as well as … Read more

Zürich Wikimedia Hackathon

This year the Wikimedia Hackathon was held in Zürich, Switzerland from the 9th to 11th May 2014. The organization of the event was great, from lanyards and badges that included a USB memory stick to a city map and a ticket for public transport, Wikimedia Switzerland had prepared fantastic hackathon. More than 150 developers, engineers, sysadmins, … Read more

Mediawiki Hackathon Amsterdam

The Mediawiki Hackathon in Amsterdam was my first ever Mediawiki or Wikimedia hackathon, and it was great! Unfortunately I am actually writing this post in 2015, so I don’t remember many of the details and will instead link to other places! Wikimedia blog post reflecting on the hackathon Wikimedia Netherlands, Wikimedia Germany, and the Wikimedia Foundation … Read more

Late to “AI” assisted development?

Earlier this week, someone asked me if they were perhaps late to making use of AI-assisted development, as they dove into it in the past 2 months (using GitHub Copilot) and are already seeing large gains in a small team in terms of leverage of time. I thought for a second and responded that they … Read more

Fixing Wikimedia Commons thumbnail sized (on my blog)

As AI crawling and training continues to stress the web, the Wikimedia foundation continues to change various things in their edge rules and internal processes. Recently the Wikimedia Hackathon Northwestern Europe 2026 was likely one of the largest technical events organized after some of the new rate limits came into play, and it wasn’t without … Read more

2025 Year Review

This entry is part 7 of 7 in the series Year Reviews

Well, I’m still not back on a boat as I was in 2023… Where to start… Lightbug I havn’t written a whole lot about Lightbug yet on this blog, but its still been a fun year of new developments at, and I think it’s time to share some of them with pictures ;) We released … Read more

Wikimedia Commons Depicts statements over time

Wikimedia Commons now uses Structured Data on Commons (SDC) to make media information multilingual and machine-readable. A core part of SDC is the ‘depicts’ statement (P180), which identifies items clearly visible in a file. Depicts statements are crucial for MediaSearch, enabling it to find relevant results in any language by using Wikidata labels, as well … Read more