Author: Piotr Fusik
Source: here.
QOI (Quite OK Image) is very fast saving/reading files.
It losslessy compresses images to a similar size of PNG, while offering 20x-50x faster encoding and 3x-4x faster decoding.
Limited to images with a maximum size of 400 million pixels.
It is not known whether this file format will be included in the official versions of Gimp.
Follow here.
Logo:
For testing, compiled for Windows10 and Gimp-2.10.30 by : MareroQ.