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Dr Darren's thoughts on whether your organisation should already adopt SysMLv2 as your Model-Based Systems Engineering language and the Cameo Systems Modeler v2026x SysMLv2 Plugin and SysMLv2 Evaluation Plugin (as of September 2026)

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To get a feel for what Cameo SysMLv2 can already do visit:

Updated September 2026

Based on my own experience in recent months using the latest Cameo 2026xRelease1 - which now includes a validation engine - and the arrival of the experimental Cameo SysMLv2 Evaluation Plugin and Simulation Plugins, I have recently upgraded my assessment in favour of even smaller organisations now taking the leap and adopting SysMLv2 especially on new projects from the get go.

With the support of Webel IT Australia's training there is no compelling reason you should not at least embrace SysMLv2 models as soon as possible in the form of SysMLv2 textual representation code, and I've personally demonstrated that one can now model graphically well enough in the Cameo tool.

I previously wrote (in early 2026) :

Whilst I am most confident the Cameo implementation for SysMLv2 will become very feature rich and powerful, as it currently stands I would not quite recommend it yet for use on industrial strength projects unless you are a larger organisation with a large R&D department and can absorb the time it will take for some of the tool feature shortcomings to be addressed and you can spend sponsored time reporting bugs and issues.

As of September 2026, with big improvements in Cameo in recent releases, the game has very much changed.

In order to make SysMLv2 the better choice, you should EITHER already have trained staff with experience with SysMLv2 OR engage an expert SysML/MBSE consultant and trainer like Webel IT Australia:

You'll need a lot of patience! Many essential aspects required for practical MBSE do not yet have convenient graphical feature support, and you'll have to know your SysMLv2 textual representation modelling code (which is a good idea anyway) and use the Textual Editor a lot (which works pretty well).

The Cameo SysMLv2 Plugin understandably does not yet have all of the wider MBSE ecosystem features of Cameo for SysMLv1.

I previously also wrote in early 2026:

My tentative recommendation for smaller organisations for now is to still use the tried and tested SysMLv1 in Magic Cyber-Systems Engineer ® (Cameo Systems Modeler®) with its wider ecosystem of supporting features and then rely later on the SysMLv1 to SysMLv2 conversion support (whilst perhaps becoming familiar with the SysMLv2 language in an exploratory spirit as a side-project).

However, if your team is composed primarily of experienced programmers (coders) that could tilt your decision heavily in favour of already adopting SysMLv2 and the Cameo SysMLv2 Plugin and the Cameo SysMLv2 Evaluation Plugin, and they would likely also be able to handle creation of custom query view tables (which currently does not have sufficient graphical support), which are critical for communication with other stakeholders who are not familiar with SysMLv2 notation.

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