Sirius Web 2025.10

The 2025.10 release of Sirius Web focuses on refining the experience, fixing glitches, improving interactions, and giving you more control over how diagrams look and behave. With the highest number of commits ever for a single release, our team worked hard to address your feedback and polish every detail of the interface. Here’s what’s new. Define your edge style Appearance customization extended ...

SysON 2025.8 and 2025.10: Always Better

SysON 2025.10 is here, and it feels like a breath of fresh air. Fully aligned with the SysML v2 2025-07 release , it brings a wave of thoughtful improvements that make modeling smoother, clearer, and simply more pleasant. Open your project, try the new touches, and enjoy.   Modeling that keeps evolving Better Control of your views A smoother modeling experience Textual import and libraries Integra...

Supporting Innovation in Korea’s Railway Systems with Capella

During my recent trip to Korea, I had the opportunity to meet with the teams from the Korean Railway Research Institute (KRRI) and talk with them about the support Obeo and LOTUS Technologies are providing as they embark on a Model-Based Systems Engineering (MBSE) journey with Capella . KRRI develops world-class railway technologies , such as autonomous driverless trains, advanced energy managemen...

Pepper: A Case of Open Innovation with Sirius Web

Pepper is a new project management tool, developed through a collaboration between Obeo and CEA-List , one of three institutes of the CEA (French Alternative Energies and Atomic Energy Commission) Technology Research Division. CEA-List brings together nearly 1,000 experts in smart digital systems working on R&D programs addressing the Factory of the Future, digital twins, artificial intelligen...

Sirius Web 2025.8

We are excited to announce the release of the version 2025.8 of Sirius Web ! This update introduces groundbreaking features designed to give you more control , better collaboration , and enhanced customization . Introducing Capabilities: Fine-Grained UI Control Enhanced Edge Connection: Intuitive and Precise Sirius Web Now Available as a Docker Image Experimental Server for Diagram Exports (SVG/PN...

Using SysON for Space Applications at ESA

The  European Space Agency (ESA) is undergoing a progressive transition from  traditional paper-based engineering processes to a unified, fully digital platform based on the  Model Based Systems Engineering (MBSE) principles. As part of this transformation, I am currently leading the IDEF project to develop an Integrated, web-based Digital Engineering Framework, with the SysON tool at its core. Th...

Extending SysON to Support the Arcadia Method: A First Experiment

SysML v2 is reshaping the way systems engineers approach modeling, offering a modernized syntax and semantics designed to improve precision, tool interoperability, and developer experience. Yet, as with SysML v1, the standard itself remains intentionally neutral: it defines a notation, not a methodology. For teams working on the architecture of complex systems, whether in aerospace, transportation...