This appears to still be an issue...and a rather annoying one. I am running the latest preview, and seeing the extra space at the end of all link labels.
Is there an estimated time for the fix? Or at least a way to get rid of it for now? I have noticed that the spaces do not seem to appear when using the default theme...which leads me to believe that there is a styling issue. I was hoping there is a way around it for now.