Currently I am upgrading my Angular Application from 17 to 18. My current Gojs version is 2.3.13. So my question is do I need to update gojs version or not.
It does not matter, you can use the older version or a newer version (preferred since it might contain new features and bug fixes).
But gojs
does not have any dependency on Angular
as seen in their package.json
So upgrading is purely optional.