🚀 3rd ROOT Hackathon: The Fixathon 2.0

News
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:date: 11-12 May 2026 | :round_pushpin: CERN, IdeaSquare

We’re excited to announce the 3rd ROOT Hackathon, taking place at CERN’s IdeaSquare: the Innovation Space of the lab!

This edition -The Fixathon 2.0 - is a 2-day hands-on event focused on refining ROOT through small but impactful improvements.

:wrench: What will we work on?

  • Small Bug Density issues: addressing well-scoped issues that improve the everyday ROOT experience

  • Documentation improvements: writing or improving tutorials, examples, and documentation pages

:handshake: How to participate?

Do you have a small ROOT issue that has been on your mind?

Report it :right_arrow: Tag it `Small Bug Density` on GitHub :right_arrow: Join us to work on it!

:spaghetti: Logistics

:round_pushpin: In-person at CERN IdeaSquare (no remote participation)
:hot_beverage: Coffee and **home-cooked lunches** provided
:fork_and_knife_with_plate: Social dinner organised nearby (not covered)
:warning: Limited spots available