There are currently no open bugs.

"pngquant" versions published in Ubuntu

Cosmic (2.5.0-2): universe/graphics
Bionic (2.5.0-2): universe/graphics
Artful (2.5.0-2): universe/graphics
Xenial (2.5.0-1): universe/graphics
Trusty (2.0.1-1): universe/graphics
Precise (1.0-4.1): universe/graphics