v5.0.0

Major changes

• requires Node >= 10.13
• PostCSS 8 API, so cssnano 5 does not emit warnings when running under PostCSS 8
• updated to SVGO 2, fixing many SVG minification bugs
• updated css-value-parser and css-selector-parser, fixing many bugs

Upgrade notes

If you use the cssnano JavaScript API, you need to change your code:

• Replace cssnano.process() with cssnano().process() (notice the () after cssnano)

• pass cssnano options to cssnano() instead of process()

cssnano(cssnanoOptions).process(postcssOptions)

Bug fixes

• fix improperly discarding @font-face declarations #726
• partially fix some isues where cssnano did not combine rules when used together with postcss-nested #1004
• fix translate3d() minification #920
• fix minification of values starting with e #589, #984
• fix minification of percentage vaalues #962, #957
• fix minification of aspect-ratio #963
• fix merging of @supports rules #974
• fix sorting of longhand and shorthand properties #535
• remove vulnerable dependency and always warn with bad SVG input #1034

v4.1.10

4.1.10

Bug Fixes

• stylehacks does not throw error on [attr] selector

v4.1.9

4.1.9

Performance Improvements

• postcss-colormin: increase performance
• postcss-discard-comments: increase performance
• postcss-merge-rules increase performance
• postcss-minify-params increase performance
• postcss-minify-selectors: increase performance
• postcss-normalize-display-values: increase performance
• postcss-normalize-positions: increase performance
• postcss-normalize-repeat-style: increase performance
• postcss-normalize-string: increase performance
• postcss-normalize-timing-functions: increase performance
• postcss-normalize-whitespace: increase performance
• postcss-ordered-values: increase performance
• postcss-reduce-transforms: increase performance
• postcss-svgo: increase performance

Bug Fixes

• postcss-merge-longhand handle uppercase properties and values
• postcss-minify-gradients handle uppercase properties and values
• postcss-minify-params do break @page rules
• postcss-reduce-idents handle uppercase at-rules
• postcss-reduce-initial now uses repeat as initial value for mask-repeat
• postcss-reduce-initial handle uppercase value when you convert to initial
• stylehacks handle uppercase properties and values

v4.1.8

4.1.8

Performance Improvements

• initial loading time (require('cssnano')).

Bug Fixes

• postcss-merge-longhand correctly merging border properties with custom properties.

v4.1.7

4.1.7

Bug Fixes

• republish cssnano due broken release.

v4.1.6

4.1.6

Bug Fixes

• postcss-merge-longhand doesn't throw error when merge a border property.

v4.1.5

4.1.5

Bug Fixes

• cssnano now allow to toggling of plugins in presets using boolean configuration option.
• postcss-merge-longhand doesn't merge properties with unset.
• postcss-merge-longhand correctly merge borders with custom properties.
• postcss-merge-longhand doesn't merge redundant values if declarations are of different importance.

Other changes

• postcss-calc updated to 7.0.0 version.

v4.1.4

4.1.4 - 2018-09-27

Other changes

• css-declaration-sorter now use PostCSS 7
• postcss-calc now use PostCSS 7

v4.1.3

4.1.3 - 2018-09-25

Other changes

• postcss-minify-font-values now use PostCSS 7
• postcss-discard-duplicates now use PostCSS 7

v4.1.2

4.1.2 - 2018-09-25

• postcss-svgo now handle DataURI with uppercase data value (DATA:image/*;...)