Python Imaging Library fork
https://github.com/python-imaging/Pillow Formula was removed
Last version was

Revision: 1

pillow requires the following formulae to be installed:
freetype 2.9 Software library to render fonts
jpeg 9c Image manipulation library
webp 0.6.1 Image format providing lossless and lossy compression for web images

Recent formula history

ilovezfs pillow: delete (#17357)
FX Coudert pillow: migrate from homebrew/science

Formula code at GitHub