GIMP version 3.0

GIMP 3.0 is to be a major update and the first release of GNU Image Manipulation Program, version 3. GIMP 3.0 is to be the first version to use a new version of the GTK+ toolkit after 18 years of development with it.

Features
Complete port from unmaintained old GTK+ 2.x to maintained GTK+ version. It is currently unknown if it will use 3.24 or 4.xx.

Multiple layer selection support

Wayland support
It is currently unknown if GIMP 3.0 will support Wayland, a display server protocol, on Linux.