4.1.6

• Fix Promise behavior on parsing error.

4.1.5

• Parse at-words in declaration values.

4.1.4

• Fix Promise polyfill dependency (by Anton Yakushev and Matija Marohnić).

4.1.3

• Add Promise polyfill for node.js 0.10 and IE.

4.1.2

• List helpers can be accessed independently var space = postcss.list.space.

4.1.1

• Show deprecated message only once.

4.1 “Marquis Andras”

• Asynchronous plugin support.
• Add warnings from plugins and Result#messages.
• Add postcss.plugin() to create plugins with a standard API.
• Insert nodes by CSS string.
• Show version warning message on error from an outdated plugin.
• Send Result instance to plugins as the second argument.
• Add CssSyntaxError#plugin.
• Add CssSyntaxError#showSourceCode().
• Add postcss.list and postcss.vendor aliases.
• Add Processor#version.
• Parse wrong closing bracket.
• Parse !important statement with spaces and comments inside (by Ben Briggs).
• Throw an error on declaration without prop or value (by Philip Peterson).
• Fix source map mappings position.
• Add indexed source map support.
• Always set error.generated.
• Clean all source map annotation comments.

4.0.6

• Remove babel from released package dependencies (by Andres Suarez).

4.0.5

• Fix error message on double colon in declaration.

4.0.4

• Fix indent detection in some rare cases.