It would be nice to update the Pygments lexers to recognize keywords introduced for 0.3 and also the various shell modes for jlcon.
I think this still needs to be done for 0.6?
Yes, it still does. Here's the source of the relevant file. As you can see, it is missing struct etc.
There is an open PR for the 0.6 changes:
Here is a version for Julia 0.6:
https://github.com/sisl/pygments-julia6
Referenced PR is now merged.