AIMMS 24.1 WebUI not updated automatically

  • 13 February 2024
  • 1 reply



I have downloaded the newest AIMMS version (24.1) and opened a project using the AIMMS launcher. However, the JSON WebUI file (..\MainProject\WebUI\webui.json) contains this: "version": "4.67.0". Do I have to update the WebUI manually to get the newest AIMMS WebUI version?

Thanks in advance.

Kind regards,



Best answer by Edo Nijmeijer 13 February 2024, 16:52

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The version number that you found in the `webui.json` file is nothing to be worried about, in this case.

It does not reflect the AIMMS version that you’re using or have used to create the application. It’s our internal reference to be able to deal with different versions of structures within this file. And we haven’t had to make major changes for a very long time, as you can see.

If you still feel like you want to make sure that your WebUI application runs with a specific version, you could have a look at the html-source for your home page. CTRL-U or through a right mouse click. Many files in there have the AIMMS version in their filename. Like the stylesheet (search for “.css”) or many of our bundled javascript (search for “.bundle”).

Hope that gives you peace of mind.


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