I confirm the problem (Fedora 25 + Gnome 3.22 on Wayland + vlc 3.0.0 0.9.fc25). Here is a screenshot: https://framapic.org/za0D5bue2wDw/RBIcVA5BeIb1.png. Moreover, as you can see in the screenshot, the font size of the menu is quite huge compared to Skype on the right (which font size is ok). I don'...