Python Imaging Library fork
https://github.com/python-imaging/Pillow Formula was removed
Last versions were
pillow requires the following formulae to be installed:
freetype 2.9 Software library to render fonts
jpeg 9b Image manipulation library
libtiff 4.0.9_1 TIFF library and utilities
little-cms2 2.9 Color management engine supporting ICC profiles
webp 0.6.1 Image format providing lossless and lossy compression for web images
openjpeg 2.3.0 Library for JPEG-2000 image manipulation

Recent formula history

FX Coudert pillow: migrate to homebrew/core
Shaun Jackman pillow: update 4.2.1_1 bottle for Linuxbrew.
FX Coudert pillow: revision for jpeg
ilovezfs pillow 4.2.1
ilovezfs pillow 4.2.0

Formula code at GitHub