No navigation symbols and node grabber with multi monitor rendering enabled

Hi,
first I wanna say that the 0.26 update is absolutely awesome, really feels so much better now.
But one thing I noticed when trying out the career sneak peak: when I choose a travel point on the map and select the route, the blue arrows and the white "destination pillar" only show on the side screens, but not on the center one.
I noticed the same behavior with the node grabber a few versions ago, but that wasn't such a big problem for me. I know multi monitor rendering and career are both experimental, so I am not complaining.
Just wanted to mention it and ask if anybody maybe knows of a workaround (aside from disabling multi monitor rendering)?

Thanks