Invisible heads in hotbar

In 0.17.1 beta (aka 1.0.0) in the creative menu the dragon appears invisible, i have attached an image for proof that this glitch is real

Update by [Mojang] Adrian Östergård
This bug affects all heads (Steve, Creeper, Zombie, Wither Skeleton, Skeleton and Dragon Head).

This bug has been reported to our internal bug tracker for further testing and a fix. It is scheduled to be fixed in one of the future updates (no specific date can be provided).