Lumin, TVOS, and HoloLens are build target options. Lumen is the 5.0 feature.
If these options were changed in the options menu in the library, it would force a download of these folders. Feel free to verify that they are checked here:
And 5.4.2 hotfix released ~4 days ago. If you check your 5.4.1 install you should see an update indicator like this:
