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| --- | ||
| title: Gaphor 3.0 | ||
| title: Gaphor 3.0 - A Major Milestone | ||
| author: Arjan Molenaar | ||
| image_url: /images/gaphor-3.0/bg.jpg | ||
| image_background: #f0f0f0 | ||
| image_attribution: https://www.flickr.com/photos/goldtoe/305519757/ | ||
| lang: en | ||
| --- | ||
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| Finally, Gaphor 3.0 has been released. | ||
| Gaphor 3.0 has officially been released, marking an exciting new chapter for this modeling tool. This update brings | ||
| significant enhancements, particularly in the user interface and the modularity of supported modeling languages. | ||
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| The major changes in this release include an improved user interface and better modularity for modeling languages. | ||
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| In this post we dive into the highlights of the 3.0 release, | ||
| The [change log](https://github.com/gaphor/gaphor/blob/main/CHANGELOG.md) contains a more complete set of changes, | ||
| as does the [Gaphor Release](https://github.com/gaphor/gaphor/releases). | ||
| For a complete overview of all changes, you can check out the | ||
| [changelog](https://github.com/gaphor/gaphor/blob/main/CHANGELOG.md) or visit the | ||
| [Gaphor Release](https://github.com/gaphor/gaphor/releases) page. | ||
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| As always, the releases are based on the latest [GTK 4](https://gtk.org) and | ||
| [LibAdwaita](https://gnome.pages.gitlab.gnome.org/libadwaita) releases. | ||
| As always, this release makes use of the latest versions of [GTK 4](https://gtk.org) and | ||
| [libadwaita](https://gnome.pages.gitlab.gnome.org/libadwaita). | ||
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| ## UI improvements | ||
| ## User Interface Improvements | ||
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| We've improved the user interface, based on a paper from the Uni of Mannheim about the use | ||
| of [MBSE tooling for neurodivergent system architects (German)](https://madoc.bib.uni-mannheim.de/66242/1/Benutzeroberfl%C3%A4chen%20von%20MBSE-Tools%20und%20deren%20Auswirkung%20auf%20neurodivergente%20Systemarchitekten.pdf). | ||
| In this paper Gaphor was used as one example. We contacted the authors and applied the feedback in this | ||
| version of Gaphor. As a result things are simpler and the UI behaves more as one would expect. | ||
| This release features a redesigned user interface inspired by feedback from a research paper published by the University | ||
| of Mannheim. The paper, titled | ||
| [MBSE tooling for neurodivergent system architects | ||
| (German)](https://madoc.bib.uni-mannheim.de/66242/1/Benutzeroberfl%C3%A4chen%20von%20MBSE-Tools%20und%20deren%20Auswirkung%20auf%20neurodivergente%20Systemarchitekten.pdf), | ||
| used Gaphor as a case study. By collaborating with the authors, the Gaphor team applied these insights to make the | ||
| application simpler and more intuitive. | ||
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| The improvements include | ||
| Key UI enhancements include: | ||
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| * Better layout of the header bar | ||
| * Settings previously done on model level are now application wide settings | ||
| * A tool bar for common operations | ||
| * Double-clicking a model element in the Model Browser now highlights it in the diagram, and no longer adds it. | ||
| * Streamlined Header Bar Layout: Improved organization for easier navigation. | ||
| * Global Settings: Settings that were previously model-specific are now accessible as application-wide configurations. | ||
| * New Diagram Quick Toolbar: Provides rapid access to common operations. | ||
| * Enhanced Model Browser: Double-clicking a model element now highlights it in the diagram rather than adding it redundantly. | ||
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| Many thanks to [Mareike Keil](https://www.linkedin.com/in/mareike-keil-7600b4226/) from the Uni of Mannheim for collecting the feedback. | ||
| Many thanks to [Mareike Keil](https://www.linkedin.com/in/mareike-keil-7600b4226/) from the University of Mannheim for | ||
| her invaluable insights and contributions. | ||
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| ## Modeling languages | ||
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| Historically, Gaphor modeling language have always been based on UML. UML was the first ML implemented, and forms the | ||
| basis for languages like SysML (v1) and RAAML. | ||
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| While we were investigating how to implement SysML v2, we ran into an issue: SysML v2 has been built from the ground up | ||
| and is not based on UML. Our initial attempt was to build a common base for both UML and SysML, but this resulted in | ||
| a confusing situation where the UML model was spread out over several models. | ||
| ## Modeling language Advancements | ||
| Historically, Gaphor’s primary focus has been on UML, which served as the foundation for extensions like SysML (v1) and | ||
| RAAML. However, the development of SysML v2 introduced new challenges. Unlike its predecessor, SysML v2 is not based on | ||
| UML, prompting the need for a fresh approach. | ||
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| This was clearly not the way forward. With the help of Paul Brown we managed to make the Gaphor core modeling language | ||
| agnostic. Now we can implement any modeling language. This means that we can implement SysML v2, onthology models, ER models | ||
| without the need to base it on UML. | ||
| Initially, the team attempted to create a shared foundation for UML and SysML. However, this approach resulted in | ||
| fragmenting the UML model and added complexity. Recognizing the need for flexibility, Gaphor’s core was restructured to | ||
| be modeling language agnostic. This transformation enables the implementation of diverse modeling languages, including | ||
| SysML v2, ontology models, and ER diagrams, without relying on UML as a base. | ||
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| Credits go to Paul Brown for his help and guidance on this endavour. | ||
| A huge shoutout to [Paul C. Brown](https://github.com/pbrown12303) for his guidance and support in making this shift | ||
| possible. |