Xubuntu has introduced a new, slimmed down version of the main distro called Xubuntu Core.



From OMG! Ubuntu!:

Xubuntu has introduced a new slimmed down version of the main distro called Xubuntu Core.

Yes, one of the lightest of Ubuntu flavours has gone on a diet. (And no, it’s not related to Ubuntu Snappy Core.)

Xubuntu Core ships, surprise, the core Xfce desktop and selected extras to make it ‘look and feel’ like Xubuntu.

  Xubuntu Core: Lightweight Ubuntu Distro Goes on a Diet