SysON 2026.5 streamlines your modeling workflow with advanced multi-selection capabilities and batch actions, making element creation faster and more intuitive:
Multi-selection actions
Intuitive/Smart creation dialog
Enhanced experience and new content
Get the full overview in our blog post....
AFIS - Association Française d'Ingénierie Système is organizing a thematic day on SysML V2: "How the new language will address Systems Engineering and Digital Thread challenges".Join us for a presentation by Etienne Juliot: “SysML v2 for Digital Thread: The SysON Approach”
Thursday, May 28th, 2026
9:40 a.m. – 10:20 a.m. CEST
INSA Bourges / Amphithéâtre SAPPHIRA
Register here
...
In this new release of SysON, we’ve focused on improving both the robustness and usability of the modeling experience.
Discover the latest updates across the interface, graphical capabilities, import/export features, as well as the extended support for SysML v2 concepts
Bug Fixes and Stability Improvements
Graphical Improvements
Textual Import/Export Enhancements
Model and Project Management Improvements
SysON is extensible by nature
Get the full overview in our blog post....
Prepare Christmas with SysON 2025.12
Here’s what’s new in this version:
Expanded functionality for diagrams
Robustness on Import/Export
Explorer View
Discover the full blog post....
SysON 2025.8 and 2025.10: Always Better
Discover all the new improvements:
Modeling that keeps evolving
Better Control of your views
A smoother modeling experience
Textual import and libraries
Integration made easier
Readthe full blog post about it: https://blog.obeosoft.com/syson-2025-8-and-2025-10-always-better
...
We are glad to announce that Obeo will be participating in the upcoming INCOSE International Symposium (IS) 2025. Join us at Booth 619 from July 26 to 31 to explore the latest advancements in open-source Model-Based Systems Engineering (MBSE) modeling tools.
Our team will be on-site to discuss how our innovative solutions, based on Capella and SysON, can elevate your systems engineering approach. Whether you're just beginning with MBSE or aiming to refine your existing practices, our tools provide powerful and adaptable capabilities designed to support your specific objectives.
2 main events for Obeo during this symposium:
SysML V2 Finally in Practice: An Interactive Beginner’s Tutorial
Sunday 27, July | 08:00-12:00 EDT | Room 201
This half-day tutorial offers an accessible introduction to SysML V2, highlighting its major innovations—such as a new metamodel, dual syntax, standardized APIs, and extensibility features—that significantly enhance MBSE capabiliti...
SysON 2025.4 – A Major Step Forward in System Reuse
The SysON 2025.4.0 release brings major improvements: user library management, enhanced graphical capabilities with support for new object types, better textual import and export and many other updates - all while staying aligned with SysMLv2 Beta 2.4.
For full details, read the article!
...
SysON 2025.2 – Adding New Features to SysON is Our Ongoing Commitment
The latest SysON 2025.2 release introduces new features and improvements to enhance the SysML v2 modeling experience, making it more intuitive, efficient, and adaptable. This update reflects the ongoing commitment to developing SysON as a robust open-source solution for Model-Based Systems Engineering (MBSE).
Key Enhancements in SysON 2025.2:
New Minimap for Navigation: Users can now explore large diagrams more easily with an overview minimap.
Context Menu on Right-Click: A quicker and more user-friendly way to access diagram tools.
Customizable Explorer View: The navigation panel can now be tailored to display relevant elements based on the user’s needs.
AQL Query View: Users can write and execute AQL queries directly in SysON for more efficient model exploration.
Forking Representation Descriptions: Diagram representations can now be duplicated and modified without altering the original definitions...
The 27th International Conference on Model Driven Engineering Languages and Systems (MODELS)
Obeo is proud to be a sponsor of the MODELS 24 International Conference!
Cédric Brun presents his talk "Advancing Web-Based Modeling Tools with Sirius Web: An Illustration with SysON" on September 24, 2024, for insights into the future of web-based modeling solutions and their practical application with SysON.
We are also proud to sponsor FAME, the 1st International School on Foundations and Advances of Model-Based Engineering, a major event for students: https://fame-school.github.io/...
The seventh annual Western States Regional Conference (WSRC)
We're excited to announce that Obeo will be a sponsor at the INCOSE Western States Regional Conference 2024, in Albuquerque, New Mexico, at the Central New Mexico Workforce Training Center.
This year's theme, "Building a more secure world through systems engineering", aligns perfectly with our mission to drive innovation and security in systems modeling. Don’t miss the opportunity to connect with us during this event!
Stéphane Lacrampe is presenting "Navigating the Future: Exploring SysML V2 with SysON", a must-attend session for anyone interested in the future of systems modeling.
...
SysON 2026.5 streamlines your modeling workflow with advanced multi-selection capabilities and batch actions, making element creation faster and more intuitive:
Multi-selection actions
Intuitive/Smart creation dialog
Enhanced experience and new content
Get the full overview in our blog post....
AFIS - Association Française d'Ingénierie Système is organizing a thematic day on SysML V2: "How the new language will address Systems Engineering and Digital Thread challenges".Join us for a presentation by Etienne Juliot: “SysML v2 for Digital Thread: The SysON Approach”
Thursday, May 28th, 2026
9:40 a.m. – 10:20 a.m. CEST
INSA Bourges / Amphithéâtre SAPPHIRA
Register here
...
In this new release of SysON, we’ve focused on improving both the robustness and usability of the modeling experience.
Discover the latest updates across the interface, graphical capabilities, import/export features, as well as the extended support for SysML v2 concepts
Bug Fixes and Stability Improvements
Graphical Improvements
Textual Import/Export Enhancements
Model and Project Management Improvements
SysON is extensible by nature
Get the full overview in our blog post....
SysON 2025.8 and 2025.10: Always Better
Discover all the new improvements:
Modeling that keeps evolving
Better Control of your views
A smoother modeling experience
Textual import and libraries
Integration made easier
Readthe full blog post about it: https://blog.obeosoft.com/syson-2025-8-and-2025-10-always-better
...
We are glad to announce that Obeo will be participating in the upcoming INCOSE International Symposium (IS) 2025. Join us at Booth 619 from July 26 to 31 to explore the latest advancements in open-source Model-Based Systems Engineering (MBSE) modeling tools.
Our team will be on-site to discuss how our innovative solutions, based on Capella and SysON, can elevate your systems engineering approach. Whether you're just beginning with MBSE or aiming to refine your existing practices, our tools provide powerful and adaptable capabilities designed to support your specific objectives.
2 main events for Obeo during this symposium:
SysML V2 Finally in Practice: An Interactive Beginner’s Tutorial
Sunday 27, July | 08:00-12:00 EDT | Room 201
This half-day tutorial offers an accessible introduction to SysML V2, highlighting its major innovations—such as a new metamodel, dual syntax, standardized APIs, and extensibility features—that significantly enhance MBSE capabiliti...
SysON 2025.4 – A Major Step Forward in System Reuse
The SysON 2025.4.0 release brings major improvements: user library management, enhanced graphical capabilities with support for new object types, better textual import and export and many other updates - all while staying aligned with SysMLv2 Beta 2.4.
For full details, read the article!
...
SysON 2025.2 – Adding New Features to SysON is Our Ongoing Commitment
The latest SysON 2025.2 release introduces new features and improvements to enhance the SysML v2 modeling experience, making it more intuitive, efficient, and adaptable. This update reflects the ongoing commitment to developing SysON as a robust open-source solution for Model-Based Systems Engineering (MBSE).
Key Enhancements in SysON 2025.2:
New Minimap for Navigation: Users can now explore large diagrams more easily with an overview minimap.
Context Menu on Right-Click: A quicker and more user-friendly way to access diagram tools.
Customizable Explorer View: The navigation panel can now be tailored to display relevant elements based on the user’s needs.
AQL Query View: Users can write and execute AQL queries directly in SysON for more efficient model exploration.
Forking Representation Descriptions: Diagram representations can now be duplicated and modified without altering the original definitions...
The 27th International Conference on Model Driven Engineering Languages and Systems (MODELS)
Obeo is proud to be a sponsor of the MODELS 24 International Conference!
Cédric Brun presents his talk "Advancing Web-Based Modeling Tools with Sirius Web: An Illustration with SysON" on September 24, 2024, for insights into the future of web-based modeling solutions and their practical application with SysON.
We are also proud to sponsor FAME, the 1st International School on Foundations and Advances of Model-Based Engineering, a major event for students: https://fame-school.github.io/...
The seventh annual Western States Regional Conference (WSRC)
We're excited to announce that Obeo will be a sponsor at the INCOSE Western States Regional Conference 2024, in Albuquerque, New Mexico, at the Central New Mexico Workforce Training Center.
This year's theme, "Building a more secure world through systems engineering", aligns perfectly with our mission to drive innovation and security in systems modeling. Don’t miss the opportunity to connect with us during this event!
Stéphane Lacrampe is presenting "Navigating the Future: Exploring SysML V2 with SysON", a must-attend session for anyone interested in the future of systems modeling.
...