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- # 3.10.0
- * cssnano will no longer `console.warn` any messages when using deprecated
- options; these are now sent to PostCSS. You will be able to see them if you
- use a PostCSS runner with built-in messages support, or alternately by
- loading `postcss-reporter` or `postcss-browser-reporter` in your plugins list.
- * Prepares support for `grid` identifier reduction by adding it to the list
- of optimisations turned off when `options.safe` is set to `true`.
- * Adds support for normalizing `unicode-range` descriptors. Values will
- be converted when the code matches `0` & `f` in the same place on both sides
- of the range. So, `u+2000-2fff` can be converted to `u+2???`, but
- `u+2100-2fff` will be left as it is.
- # 3.9.1
- * Resolves an integration issue with `v3.9.0`, where `undefined` values
- would attempt to be parsed.
- # 3.9.0
- * Adds a new option to normalize wrapping quotes for strings & joining
- multiple-line strings into a single line. This optimisation can potentially
- reduce the final gzipped size of your CSS file.
- # 3.8.2
- * Resolves an issue where `display: list-item inline flow` would be normalized
- to `inline list-item` rather than `inline-list-item` (thanks to @mattbasta).
- # 3.8.1
- * Adds a quick start file for easy integration with Runkit. Try cssnano online
- at https://runkit.com/npm/cssnano.
- # 3.8.0
- * Adds support for normalizing multiple values for the `display` property. For
- example `block flow` can be simplified to `block`.
- # 3.7.7
- * Further improves CSS mixin handling; semicolons will no longer be stripped
- from *rules* as well as declarations.
- # 3.7.6
- * Resolves an issue where the semicolon was being incorrectly stripped
- from CSS mixins.
- # 3.7.5
- * Resolves an issue where the `safe` flag was not being persisted across
- multiple files (thanks to @techmatt101).
- # 3.7.4
- * Improves performance of the reducePositions transform by testing
- against `hasOwnProperty` instead of using an array of object keys.
- * Removes the redundant `indexes-of` dependency.
- # 3.7.3
- * Unpins postcss-filter-plugins from `2.0.0` as a fix has landed in the new
- version of uniqid.
- # 3.7.2
- * Temporarily pins postcss-filter-plugins to version `2.0.0` in order to
- mitigate an issue with uniqid `3.0.0`.
- # 3.7.1
- * Enabling safe mode now turns off both postcss-merge-idents &
- postcss-normalize-url's `stripWWW` option.
- # 3.7.0
- * Added: Reduce `background-repeat` definitions; works with both this property
- & the `background` shorthand, and aims to compress the extended two value
- syntax into the single value syntax.
- * Added: Reduce `initial` values for properties when the *actual* initial value
- is shorter; for example, `min-width: initial` becomes `min-width: 0`.
- # 3.6.2
- * Fixed an issue where cssnano would crash on `steps(1)`.
- # 3.6.1
- * Fixed an issue where cssnano would crash on `steps` functions with a
- single argument.
- # 3.6.0
- * Added `postcss-discard-overridden` to safely discard overridden rules with
- the same identifier (thanks to @Justineo).
- * Added: Reduce animation/transition timing functions. Detects `cubic-bezier`
- functions that are equivalent to the timing keywords and compresses, as well
- as normalizing the `steps` timing function.
- * Added the `perspective-origin` property to the list of supported properties
- transformed by the `reduce-positions` transform.
- # 3.5.2
- * Resolves an issue where the 3 or 4 value syntax for `background-position`
- were being incorrectly converted.
- # 3.5.1
- * Improves checking for `background-position` values in the `background`
- shorthand property.
- # 3.5.0
- * Adds a new optimisation path which can minimise keyword values for
- `background-position` and the `background` shorthand.
- * Tweaks to performance in the `core` module, now performs less AST passes.
- * Now compiled with Babel 6.
- # 3.4.0
- * Adds a new optimisation path which can minimise gradient parameters
- automatically.
- # 3.3.2
- * Fixes an issue where using `options.safe` threw an error when cssnano was
- not used as part of a PostCSS instance, but standalone (such as in modules
- like gulp-cssnano). cssnano now renames `safe` internally to `isSafe`.
- # 3.3.1
- * Unpins postcss-colormin from `2.1.2`, as the `2.1.3` & `2.1.4` patches had
- optimization regressions that are now resolved in `2.1.5`.
- # 3.3.0
- * Updated modules to use postcss-value-parser version 3 (thanks to @TrySound).
- * Now converts between transform functions with postcss-reduce-transforms.
- e.g. `translate3d(0, 0, 0)` becomes `translateZ(0)`.
- # 3.2.0
- * cssnano no longer converts `outline: none` to `outline: 0`, as there are
- some cases where the values are not equivalent (thanks to @TrySound).
- * cssnano no longer converts for example `16px` to `1pc` *by default*. Length
- optimisations can be turned on via `{convertValues: {length: true}}`.
- * Improved minimization of css functions (thanks to @TrySound).
- # 3.1.0
- * This release swaps postcss-single-charset for postcss-normalize-charset,
- which can detect encoding to determine whether a charset is necessary.
- Optionally, you can set the `add` option to `true` to prepend a UTF-8
- charset to the output automatically (thanks to @TrySound).
- * A `safe` option was added, which disables more aggressive optimisations, as
- a convenient preset configuration (thanks to @TrySound).
- * Added an option to convert from `deg` to `turn` & vice versa, & improved
- minification performance in functions (thanks to @TrySound).
- # 3.0.3
- * Fixes an issue where cssnano was removing spaces around forward slashes in
- string literals (thanks to @TrySound).
- # 3.0.2
- * Fixes an issue where cssnano was removing spaces around forward slashes in
- calc functions.
- # 3.0.1
- * Replaced css-list & balanced-match with postcss-value-parser, reducing the
- module's overall size (thanks to @TrySound).
- # 3.0.0
- * All cssnano plugins and cssnano itself have migrated to PostCSS 5.x. Please
- make sure that when using the 3.x releases that you use a 5.x compatible
- PostCSS runner.
- * cssnano will now compress inline SVG through SVGO. Because of this change,
- interfacing with cssnano must now be done through an asynchronous API. The
- main `process` method has the same signature as a PostCSS processor instance.
- * The old options such as `merge` & `fonts` that were deprecated in
- release `2.5.0` were removed. The new architecture allows you to specify any
- module name to disable it.
- * postcss-minify-selectors' at-rule compression was extracted out into
- postcss-minify-params (thanks to @TrySound).
- * Overall performance of the module has improved dramatically, thanks to work
- by @TrySound and input from the community.
- * Improved selector merging/deduplication in certain use cases.
- * cssnano no longer compresses hex colours in filter properties, to better
- support old versions of Internet Explorer (thanks to @faddee).
- * cssnano will not merge properties together that have an `inherit` keyword.
- * postcss-minify-font-weight & postcss-font-family were consolidated into
- postcss-minify-font-values. Using the old options will print deprecation
- warnings (thanks to @TrySound).
- * The cssnano CLI was extracted into a separate module, so that dependent
- modules such as gulp-cssnano don't download unnecessary extras.
- # 2.6.1
- * Improved performance of the core module `functionOptimiser`.
- # 2.6.0
- * Adds a new optimisation which re-orders properties that accept values in
- an arbitrary order. This can lead to improved merging behaviour in certain
- cases.
- # 2.5.0
- * Adds support for disabling modules of the user's choosing, with new option
- names. The old options (such as `merge` & `fonts`) will be removed in `3.0`.
- # 2.4.0
- * postcss-minify-selectors was extended to add support for conversion of
- `::before` to `:before`; this release removes the dedicated
- postcss-pseudoelements module.
- # 2.3.0
- * Consolidated postcss-minify-trbl & two integrated modules into
- postcss-merge-longhand.
- # 2.2.0
- * Replaced integrated plugin filter with postcss-filter-plugins.
- * Improved rule merging logic.
- * Improved performance across the board by reducing AST iterations where it
- was possible to do so.
- * cssnano will now perform better whitespace compression when used with other
- PostCSS plugins.
- # 2.1.1
- * Fixes an issue where options were not passed to normalize-url.
- # 2.1.0
- * Allow `postcss-font-family` to be disabled.
- # 2.0.3
- * cssnano can now be consumed with the parentheses-less method in PostCSS; e.g.
- `postcss([ cssnano ])`.
- * Fixes an issue where 'Din' was being picked up by the logic as a numeric
- value, causing the full font name to be incorrectly rearranged.
- # 2.0.2
- * Extract trbl value reducing into a separate module.
- * Refactor core longhand optimiser to not rely on trbl cache.
- * Adds support for `ch` units; previously they were removed.
- * Fixes parsing of some selector hacks.
- * Fixes an issue where embedded base 64 data was being converted as if it were
- a URL.
- # 2.0.1
- * Add `postcss-plugin` keyword to package.json.
- * Wraps all core processors with the PostCSS 4.1 plugin API.
- # 2.0.0
- * Adds removal of outdated vendor prefixes based on browser support.
- * Addresses an issue where relative path separators were converted to
- backslashes on Windows.
- * cssnano will now detect previous plugins and silently disable them when the
- functionality overlaps. This is to enable faster interoperation with cssnext.
- * cssnano now exports as a PostCSS plugin. The simple interface is exposed
- at `cssnano.process(css, opts)` instead of `cssnano(css, opts)`.
- * Improved URL detection when using two or more in the same declaration.
- * node 0.10 is no longer officially supported.
- # 1.4.3
- * Fixes incorrect minification of `background:none` to `background:0 0`.
- # 1.4.2
- * Fixes an issue with nested URLs inside `url()` functions.
- # 1.4.1
- * Addresses an issue where whitespace removal after a CSS function would cause
- rendering issues in Internet Explorer.
- # 1.4.0
- * Adds support for removal of unused `@keyframes` and `@counter-style` at-rules.
- * comments: adds support for user-directed removal of comments, with the
- `remove` option (thanks to @dmitrykiselyov).
- * comments: `removeAllButFirst` now operates on each CSS tree, rather than the
- first one passed to cssnano.
- # 1.3.3
- * Fixes incorrect minification of `border:none` to `border:0 0`.
- # 1.3.2
- * Improved selector minifying logic, leading to better compression of attribute
- selectors.
- * Improved comment discarding logic.
- # 1.3.1
- * Fixes crash on undefined `decl.before` from prior AST.
- # 1.3.0
- * Added support for bundling cssnano using webpack (thanks to @MoOx).
- # 1.2.1
- * Fixed a bug where a CSS function keyword inside its value would throw
- an error.
- # 1.2.0
- * Better support for merging properties without the existance of a shorthand
- override.
- * Can now 'merge forward' adjacent rules as well as the previous 'merge behind'
- behaviour, leading to better compression.
- * Selector re-ordering now happens last in the chain of plugins, to help clean
- up merged selectors.
- # 1.1.0
- * Now can merge identifiers such as `@keyframes` and `@counter-style` if they
- have duplicated properties but are named differently.
- * Fixes an issue where duplicated keyframes with the same name would cause
- an infinite loop.
- # 1.0.2
- * Improve module loading logic (thanks to @tunnckoCore).
- * Improve minification of numeric values, with better support for `rem`,
- trailing zeroes and slash/comma separated values
- (thanks to @TrySound & @tunnckoCore).
- * Fixed an issue where `-webkit-tap-highlight-color` values were being
- incorrectly transformed to `transparent`. This is not supported in Safari.
- * Added support for viewport units (thanks to @TrySound).
- * Add MIT license file.
- # 1.0.1
- * Add repository/author links to package.json.
- # 1.0.0
- * Initial release.
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