NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
npm · #2044 most downloaded on npm
Detect/remove browser hacks from CSS files.
Last release today
17 Sep 2026
Release timing varies
gaps range from 8 days to 4 months
Nearly every release is documented
notes for 41 of 45 stable releases
Nothing withdrawn
no release was ever pulled
11 years old
67 releases · first in 2015
Nothing published for this version
Nothing published for this version
Consolidated postcss-minify-trbl & two integrated modules into postcss-merge-longhand.
Replaced integrated plugin filter with postcss-filter-plugins.
One column per quarter.
Allow postcss-font-family to be disabled.
postcss-font-family to be disabled.Adds removal of outdated vendor prefixes based on browser support.
cssnano.process(css, opts) instead of cssnano(css, opts).Nothing published for this version
Your coding agent can read these notes before it upgrades. Set up the MCP server →