GIMP version 3.0

GIMP 3.0 would be the major update of GNU Image Manipulation Program, the first release of version 3. GIMP 3.0 is to be a free and open-source raster graphics editor version, after the 18 years of development based of GTK+ 2.x toolkit

Features
Complete port from unmaintained old GTK+ 2.x to maintained GTK+ version, whenever it is version 3.24 or 4.x

Multiple layer selection support

Wayland support
GIMP 3.0 is a subject to Wayland support on Linux.