[ > ] 1.3.2 / 30.10.2019

• Fixed TypeError: Cannot set property 'multipassCount' of undefined

[ > ] 1.3.1 / 29.10.2019

• Updated CSSO version to 4.0.2 fixing the issue with empty semicolons ";;" in styles (thanks to @strarsis and @lahmatiy).
• prefixIds plugin now runs only once with --multipass option (by @strarsis).
• cleanupIDs plugin is prevented from producing a preserved ID, including one which matches a preserved prefix, when minifying (by @thomsj).

[ > ] 1.3.0 / 14.07.2019

• Custom plugins now can be loaded from external js through path plugin param.
• New plugin convertEllipseToCircle to convert ellipse with equal radius measures to circle (by @tigt).
• New plugin sortDefsChildren for improved compression (by @davidleston).
• SVGO now removes unnecessary spaces after arcto path command flags.
• removeDimensions plugin now adds viewBox if it's missing (by @adipascu).
• Fixed removeUnusedNS not counting attributes in <svg> tag itself.
• Fixed an issue with incorrect processing multiple images (by @cyberalien).
• Fixed an error with incorrect converting multiple segmented curve to an arc.
• Fixed an error with matrix decomposition in convertTransform due to rounding error leading to illegal value.
• Added force option for mergePaths plugin (by @goyney).
• Added options to prefixIds plugin for selectively prefixing IDs and/or classes (by @strarsis).
• Exported config function (by @1000ch).

[ > ] 1.2.2 / 16.04.2019

• Update js-yaml for Code Injection warning (by @kaungst).

[ > ] 1.2.1 / 04.04.2019

Some goodness from pull-requests.
* Bump up js-yaml version to fix DoS vulnerability (by @eugestarr).

[ > ] 1.2.0 / 24.02.2019

Some goodness from pull-requests.
* Fixed extra blank lines when processing many files (by @panczarny).
* Added --recursive option to process folders recursevely with option -f (by @dartess).
* Added removeAttributesBySelector plugin to remove elements matching a css selector (by @bmease).
* Added removeOffCanvasPaths plugin to remove elements outside of the viewbox (by @JoshyPHP).
* removeAttrs plugin: added preserveCurrentColor color (by @roblevintennis) and 3rd optional filter for a value (by @Herman-Freund).
* Added reusePaths plugin to replace duplicated elements with link (by @jhowcrof).
* Added support of comma-separated plugins list in --disable and --enable options (by @jmwebservices).
* Added option to preserve IDs based on prefix in cleanupIDs plugin (by @bkotzz).
* Replaced colors dependency with chalk (by @xPaw).

[ > ] 1.1.1 / 17.09.2018

• Fixed crash in SVGO.optimize() when ‘info’ is absent.
• Removed extra space after cleanupListOfValues plugin.

[ > ] 1.1.0 / 16.09.2018

• Fixed collapseGroups plugin removing property with a child having inherit value.
• version attribute value is not more being rounded.
• Fixed jsAPI clone method with respect to the introduced CSS classes.
• Fixed scaling strokes with vector-effect="non-scaling-stroke" (by @alexjlockwood).
• Fixed passing properties from groups in collapseGroups plugin if child have a filter (by @stristr).
• Fixed arc path commands parsing without separators after flags, effectively producing a JS error.
• Fixed viewBox separators parsing.
• Fixed removeNonInheritableGroupAttrs plugin to work as intended.
• Fixed removing path segments without length in presence of stroke-linecap.
• Fixed removeUnknownsAndDefaults plugin removing attributes from elements with id.
• Fixed converting to large arcs from nearly straight lines curves.
• Fixed collapseGroups plugin affecting <switch> and its subgroups.
• Fixed convertTransform plugin converting to rotate() with wrong sign in some case.
• Fixed cleanupListOfValues plugin not preserving non-numeric values.
• Fixed !important being passed to attributes in convertStyleToAttrs plugin.
• Added option keepImportant to convertStyleToAttrs plugin to preserve styles with !important.
• removeHiddenElems plugin now also removes elements with visibility="hidden" attribute (by @mikolaj92).
• Added forceAbsolutePath option to convertPathData plugin to always use absolute coordinates (by @cool).
• Added keepRoleAttr for removeUnknownsAndDefaults plugin to preserve role- attributes (by @himedlooff).
• Added xmlns order option in sortAttrs plugin (by @hellatan).
• Added an option to prefixIds plugin to pass prefix as false or as a function that returns false (by @vzaidman).
• prefixIds plugin now adds prefix to every class (by @vzaidman).
• Updated and improved docs a bit (multiple authors).

[ > ] 1.0.5 / 26.02.2018

• Fixed issue with prefixIDs plugin not replacing url() values correctly (by @harrisjose).

[ > ] 1.0.4 / 30.01.2018

• Fixed bug with removing groups that are direct child of "".
• Fixed bug with shorthand path points counting (thanks @alexjlockwood for noticing).
• Fixed crash on parsing invalid transform, e.g. without close parenthesis.

[ > ] 1.0.3 / 08.11.2017

• Fixed removeViewBox plugin to check for zero start coordinates.
• Removed extra info from STDOUT when it set to output.

[ > ] 1.0.2 / 03.11.2017

• Fixed a couple of errors related to inlineStyles plugin.
• Updated some lost details in documentation to reflect v1.0 changes.

[ > ] 1.0.1 / 31.10.2017

• Fixed error “Object.defineProperty called on non-object” in images with <foreignObject/>.

[ > ] 1.0.0 / 30.10.2017

• SVGO now requires Node 4 or higher.
• Changed CLI syntax to treat filenames as input, thus allowing svgo *.svg syntax.
• SVGO.optimize() now returns Promise.
• Added datauri option to JS API.
• Added support for SVG 2 href attribute.
• cleanupIDs now don't removes IDs if an image consists only of defs.
• New plugin inlineStyles for converting styles from <style> element to attributes if possible (by @strarsis).
• cleanupNumericValues now rounds values in viewBox (by @caub).
• New plugin: removeScriptElement (disabled by default) to align with removeStyleElement (by @pklingem).
• minifyStyles now removes styles based on usage with controlling options (by @lahmatiy).
• New option except in cleanupIDs to keep IDs (by @Velenir).
• New option force in cleanupIDs to work even if SVG contains style or script elements (by @Velenir).
• Fixed arcs transforming with different signed scale parameters (by @JoshyPHP).
• Fixed removeUselessStrokeAndFill to check for style or script elements per file (by @caub).
• New option keepAriaAttrs in removeUnknownsAndDefaults (by @davidtheclark).
• Corrected parsing in cleanupIDs to account animation syntax (by @caub).
• #ff0000 now converts to red as well as #f00 (by @davidleston).
• Added “gray” variation to colors list per CSS Color Module Level 4 (by @ydaniv).
• Fixed error on empty files.
• A separator character in removeAttrs now can be changed per elemSeparator option (by @mikestreety).
• addAttributesToSVGElement now can add values to attributes.

[ > ] 0.7.2 / 29.01.2017

• Extended currentColor match conditions (string, rx, bool) (by @AlimovSV)
• Fixed removing <animate> in <stop>.
• Fixed removing same transform in inner element in removeUnknownsAndDefaults.
• Fixed collapsing groups with same non-inheritable attribute.
• Corrected removing of leading zero in case of exponential notation.

[ > ] 0.7.1 / 27.09.2016

• Reverted the requirement of Node.js to version 0.10.
• Added addAttributesToSVGElement to the default config to allow using it with --enable option.
• Added korean translation of “How it works” doc (by @primeiros).

[ > ] 0.7.0 / 25.08.2016

• Required Node.js version has increased to 0.12.
• New plugins: removeElementsByAttr (by IDs or classes) by @elidupuis,
  addAttributesToSVGElement by @gjjones,
  removeXMLNS (for SVG inlining) by @ricardobeat.
• Tests now correctly pass in Windows with CRLF line endings. Pretty print now accounts system line endings.
• Fixed bugs with collapsing groups with masks and transforms in collapseGroups.
• Fixed bugs with erroneous removing IDs in cleanupIDs.
• Improved attributes sorting in sortAttrs by @darktrojan.
• addClassesToSVGElement no more repeats classes (by @ricardobeat).

[ > ] 0.6.6 / 25.04.2016

• Corrected CSSO API usage

[ > ] 0.6.5 / 25.04.2016

• Extra content inserted by editors are now being removed within <foreignObject> as well thus fixing bug “Namespace prefix … is not defined“ after applying SVGO.
• Doctype with entities declaration is now also being removed since svgo correctly parses them starting from the version 0.6.2.
• Corrected moveGroupAttrsToElems not to move attributes to g content if it's referenced (has an id).
• collapseGroups now don't collapse a group if it has an animated attribute (SMIL).

[ > ] 0.6.4 / 05.04.2016

• Fixed bug in “convertStyleToAttrs” plugin with converting styling properties to non-existent attributes (which are normally removed later by removeUnknownsAndDefaults).
• Added --indent option to style pretty-printed SVG. (e.g. --indent 2) (by @scurker).
• Added currentColor param to convertColors plugin for converting values like fill and stroke to currentColor (by @scurker).
• Bumped CSSO to the current version and used its new shiny API (thanks to @lahmatiy).

[ > ] 0.6.3 / 20.03.2016

• Smart rounding (introduced in 0.4.5) now applies only when rounding is needed, thus making subsequent passes more stable.
• Fixed regression in converting curves to arcs.
• xlink:href references are now being checked by local name href, thus correctly working with another namespace prefix.
• Fixed id removing with disabled plugins/convertStyleToAttrs.js.

[ > ] 0.6.2 / 08.03.2016

• Better error handling and messaging improvements.
• SVG files with XML entities (e.g. from Adobe Illustrator) are now correctly being parsed.
• Fixed error on converting curves to arcs.
• Corrected rounding in subsequent passes with --multipass option.
• Data URI option now handles charset (by @holymonson)
• Transformations are no longer moved to group if there is a mask (plugins/moveElemsAttrsToGroup.js).
• Fixed matrix decomposition losing sign in case like [1, 0, 0, -1, 0, 0] (scale(1 -1)).
• Fixed crash on uppercased color name.
• Paths with id and without stroke-width aren't being transformed now since stroke-width may be applied later.

[ > ] 0.6.1 / 21.11.2015

• Added option --quiet to suppress output (by @phihag).
• Removed lib-cov folder from the package, which was erroneously included before.
• Fixed errors in “minifyStyles” when there are <style> elements with CDATA content or without content at all.
• Amended transform functions parsing to prevent errors when there are no separators between numbers (which isn't allowed by syntax, but understood by browsers).

[ > ] 0.6.0 / 08.11.2015

• New optimization: circular curves now being converted to arcs. A notable improvement for circles within paths.
• New plugin “minifyStyles” which minifies <style> elments content with CSSO by @strarsis (svgo still doesn't understand its content)
• New plugin “removeStyleElement” (disabled by default) by @betsydupuis.
• Fixed issues with parsing numbers with exponent fraction (could happen with high precision >= 7).
• Fixed rounding error due to incorrect preserving of precision in transformations.
• Fixed shorthand curve distortion due to converted previous curve to not a curve.
• Fixed interoperability issue with precision cli-option and full config.
• Fixed an error produced by “removeUnknownsAndDefaults” by @thiakil
• Another Inkscape prefix namespace is being removed.
• Fixed an issue in moveElemsAttrsToGroup“” with transforms moved around clip-path.

[ > ] 0.5.6 / 13.08.2015

• Fixed paths removing.

[ > ] 0.5.5 / 05.08.2015

• Reverted debugging changes.

[ > ] 0.5.4 / 05.08.2015

• New parameter useShortTags by @bradbarrow. Now svgo can produce correct non-selfclosing tags (useful in HTML in old browsers).
• Fixed failing on empty transformation (which could be produced by two opposite).
• Fixed removing paths which have numbers with exponent notation.
• Fixed a bug with arc transformation.
• Some typo fixes.

[ > ] 0.5.3 / 21.06.2015

• Fixed breaking related to rounding functions in “convertTransform”.
• Fixed a bug with ID in animations not being worked on by “cleanupIDs”.
• Fixed a bug with quoted reference in url().
• Now, if there are several same IDs in the document, then the first one is used and others are being removed.
• New command-line option --show-plugins displaying list of plugins.
• Two new optional plugins: “removeDimensions” (removes width and height if there is viewBox) and “removeAttrsPlugin” (by @bennyschudel).

[ > ] 0.5.2 / 24.05.2015

• Introduced new transformPrecision option for better image quality (defaults to 5) in “convertTransform” and “convertPathData” (for the purpose of applying transformations) plugins.
• Matrix transformations now can be decomposed into a combination of few simple transforms like translate, rotate, scale.
• Arcs (paths arcto command) are now correctly being transformed into another arcs without being converting to Bezier curves.
• Fixed an issue with “mergePaths” failing to detect paths intersection in some cases.
• Fixed a bug with “removeUnknownsAndDefaults” removing some paths, which was introduced in v0.5.1.
• Fixed a bug with transformation having rotate() with optional parameters.
• Patterns with inherited attributes are no longer being removed.
• Styles are no longer being removed from <desc> (by @dennari).
• SVGO no longer breaks during parsing.
• Added clone() method to JSAPI (by @jakearchibald)

[ > ] 0.5.1 / 30.03.2015

• added new command-line option to set precision in floating point numbers.
• fixed all known image-disruptive bugs
• Notably mergePaths plugin now checks for possible intersections to avoid side-effects
• new plugin removeUselessDefs to remove elements in <defs> and similar non-rendering elements without an id and thus cannot be used
• fix for --multipass command line option (by @dfilatov)
• improved cleanupEnableBackground and convertColors plugins (by @YetiOr)
• new plugin for image manipulation cleanupListOfValues (by @kiyopikko)
• fixed fail on comments after closing root </svg> tag
• updated parsing to account meaningful spaces in <text>
• data-* attributes are now preserved in removeUnknownsAndDefaults
• prevented plugins from failing in <foreignObject>
• cleanupNumericValues plugin now converts other units to pixels (if it's better)
• removeUselessStrokeAndFill plugin is enabled again with correct work in case of inherited attributes
• fixed fail on images with incorrect paths like <path d="z"/>
• svgo now understands if an input is a folder (remember, you can set output to folder as well)
• added support for some properties from SVG 2 like vector-effect="non-scaling-stroke"
• removed option to remove an id on root <svg> tag in removeUnknownsAndDefaults since it's already being done in cleanupIDs

[ > ] 0.5.0 / 05.11.2014

• added --multipass command line option which repeatedly applies optimizations like collapsing groups (by @dfilatov)
• exposed JSAPI as a factory method (by @mistakster)
• added removeDesc plugin (by @dwabyick), disabled by default
• removeUselessStrokeAndFill plugin is disabled by default since it's unable to check inherited properties
• transformations now apply to paths with arcs in plugins/convertPathData
• a lot of bug fixes mostly related to transformations

[ > ] 0.4.5 / 02.08.2014

• significally improved plugin plugins/convertPathData:
• Now data is being written relative or absolute whichever is shorter. You can turn it off by setting utilizeAbsolute to false.
• Smarter rounding: values like 2.499 now rounds to 2.5. Rounding now takes in account accumulutive error meaning that points will not be misplaced due to rounding more than it neccessary.
• Fixed couple bugs.
• --output option now can be a folder along with --folder, thanks to @mako-taco.
• plugins/cleanupIDs now have prefix option in case you want to combine multiple svg later (by @DanielMazurkiewicz).
• Quotes now being escaped in attributes (by @ditesh).
• Minor bugfixes.

[ > ] 0.4.4 / 14.01.2014

• new plugin plugins/removeTitle (disabled by default, close #159)
• plugins/convertPathData: skip data concatenation for z instruction in collapseRepeated
• plugins/removeUnknownsAndDefaults: do not remove overriden attributes with default values (fix #161 and #168)
• plugins/removeViewBox: disable by default (fix #139)
• update README with gulp task

[ > ] 0.4.3 / 02.01.2014

• new plugin plugins/convertShapeToPath (close #96)
• update sax version to fix #140
• update deps

[ > ] 0.4.2 / 19.12.2013

• add lcov.info to npmignore
• fix js-yaml version to suppress deprecation warning in stdout

[ > ] 0.4.1 / 18.11.2013

• node >=0.8.0

[ > ] 0.4.0 / 18.11.2013

• merge almost all pull-requests
• update dependencies

[ > ] 0.3.7 / 24.06.2013

• do not remove result attribute from filter primitives (fix #122)
• plugins/cleanupAttrs: replace newline with space when needed (fix #119)
• lib/coa: look for config file in current folder
• lib/coa: always traverse all files in the given folder
• deprecate svgo-grunt in favor of grunt-svgmin
• re-enable node-coveralls

[ > ] 0.3.6 / 06.06.2013

• plugins/removeNonInheritableGroupAttrs: more attrs groups to exclude (fix #116 & #118)
• lib/coa: optimize folder file by file (temp fix #114)
• .jshintrc: JSHint 2.0
• temporarily disable node-coveralls

[ > ] 0.3.5 / 07.05.2013

• plugins/transformsWithOnePath: fix curves bounding box calculation
• plugins/transformsWithOnePath: fix possible c+t or q+s bug

[ > ] 0.3.4 / 06.05.2013

• plugins/convertPathData: fix m->M bug in some cases
• plugins/transformsWithOnePath: fix last point calculation for C/S/Q/T
• plugins/mergePaths: add space delimiter between z and m

[ > ] 0.3.3 / 05.05.2013

• plugins/convertPathData: convert very first m to M, fix applyTransforms with translate() (fix #112)
• plugins/transformsWithOnePath: fix real width/height rounding; fix scale transform origin; reorder transforms
• plugins/transformsWithOnePath: ability to set new width or height independently with auto rescaling

[ > ] 0.3.2 / 03.05.2013

• new plugin plugins/sortAttrs
• plugins/transformsWithOnePath: buggy hcrop (fix #111)
• Impossible to set output presision to 0 (no fractional part) (fix #110)
• Istanbul + coveralls.io
• update README with NPM version from badge.fury.io
• update README with dependency status from gemnasium.com
• npmignore unneeded files
• reoptimized project logo

[ > ] 0.3.1 / 15.04.2013

• plugins/transformsWithOnePath: resize SVG and automatically rescale inner Path
• better errors handling

[ > ] 0.3.0 / 12.04.2013

• global refactoring: getting rid of the many dependencies
• new plugin plugins/mergePaths
• new plugin plugins/transformsWithOnePath (renamed and featured cropAndCenterAlongPath)
• config: replace default config with full: true
• coa: JSON string as value of --config
• coa: different types of Data URI strings (close #105)
• plugins/_transforms: allow spaces at the beginning of transform
• Travis CI: Nodejs 0.10 & 0.11
• node.extend → whet.extend
• update .gitignore
• update docs

[ > ] 0.2.4 / 05.04.2013

• new plugin plugins/cropAndCenterAlongPath for the Fontello project

[ > ] 0.2.3 / 22.02.2013

• new plugin plugins/removeNonInheritableGroupAttrs (fix #101)
• new plugin plugins/removeRasterImages (close #98)
• plugins/convertTransform: bug with trailing spaces in transform value string (fix #103)

[ > ] 0.2.2 / 09.02.2013

• plugins/convertTransforms: wrong translate() shorthand (fix #94)
• yaml.js → js-yaml
• update outdated deps

[ > ] 0.2.1 / 18.01.2013

• plugins/moveElemsAttrsToGroup + plugins/moveGroupAttrsToElems: move or just leave transform attr from Group to the inner Path Elems (close #86)
• plugins/removeViewBox: doesn't catch floating-point numbers (fix #88)
• plugins/cleanupEnableBackground: doesn't catch floating-point numbers (fix #89)
• plugins/cleanupNumericValues: wrong floating-point numbers regexp (fix #92)
• SVG file generated by fontcustom.com not properly compressed (fix #90)
• README.ru.md: стилизация русского языка, улучшение языковых конструкций, правка ошибок (close #91)
• minor JSHint warning fix

[ > ] 0.2.0 / 23.12.2012

• plugins/convertPathData: apply transforms to Path pata (close #33)
• plugins/convertPathData: -1.816-9.278.682-13.604 parsing error (fix #85)
• plugins/convertTransform: translate(10, 0) eq translate(10), but not translate(10, 10) eq translate(10) (fix #83)
• run plugins/cleanupIDs before plugins/collapseGroups (fix #84)
• update .gitignore

[ > ] 0.1.9 / 17.12.2012

• plugins/cleanupIDs: renamed from removeUnusedIDs; minify used IDs (fix #7)
• lib/svgo/js2svg: restore HTML entities back (fix #80 + #81)
• plugins/removeDoctype: do not remove if custom XML entities presents (fix #77)
• lib/svgo/coa: refactoring, colors and fix #70
• lib/svgo: store elapsed time in result object
• usage examples with SVGZ (close #18)
• more optimized logo
• update .gitignore

[ > ] 0.1.8 / 11.12.2012

• new plugin plugins/removeUselessStrokeAndFill (close #75)
• new plugin plugins/removeUnusedIDs (close #76)
• plugins/convertPathData: wrong M interpretation in some cases (fix #73)
• plugins/cleanupAttrs: use isElem() API
• .travis.yml: check all branches

[ > ] 0.1.7 / 08.12.2012

• plugins/convertPathData: incorrect interpretation of z + m (fix #69)
• plugins/convertTransform: do a more accurate floating numbers rounding in matrixToTransform() (fix #68)

[ > ] 0.1.6 / 07.12.2012

• plugins/convertPathData: collapse repeated instructions only after curveSmoothShorthands (fix #64)
• lib/svgo/coa: handle 'there is nothing to optimize' case and display a message about it (fix #61)
• plugins/cleanupSVGElem: delete as useless artefact

[ > ] 0.1.5 / 06.12.2012

• E-notated numbers in paths not recognised (fix #63)
• update README with svgo-grunt and svgo-osx-folder-action
• fix mocha-as-promised plug in node 0.6

[ > ] 0.1.4 / 05.12.2012

• plugins/_collections: more defaults
• README.ru.md
• docs/how-it-works/ru.md
• mocha + mocha-as-promised + chai + chai-as-promised + should + istanbul = <3
• update dependencies semvers in package.json
• v0.1.x and v0.2.x milestones

[ > ] 0.1.3 / 30.11.2012

• new plugin plugins/cleanupNumericValues (close #8)
• plugins/removeDefaultPx functionality now included in plugins/removeUnknownsAndDefaults
• plugins/removeUnknownsAndDefaults: refactoring and picking up the complete elems+attrs collection (close #59)
• plugins/convertTransform: error in matrices multiplication (fix #58)
• plugins/convertTransform: mark translate() and scale() as useless only with one param (fix #57)
• plugins/convertPathData: drastic speed improvement with huge Path data
• plugins/convertPathData: fix the very first Mm with multiple points (fix #56)
• plugins/moveElemsAttrsToGroup: additional check for transform attr
• brand-new project logo.svg
• .travis.yml: build only master branch
• global 'use strict'
• .jshintignore
• README and CHANGELOG: minor corrections

[ > ] 0.1.2 / 24.11.2012

• lib/svgo/svg2js: correct 'onerror' failure (fix #51)
• config: disable sax-js position tracking by default (fix #52)
• lib/svgo: rename 'startBytes' to 'inBytes' and 'endBytes' to 'outBytes' (close #53)
• plugins/removeUnknownsAndDefaults: remove SVG id attr (close #54)

[ > ] 0.1.1 / 23.11.2012

• plugins/moveElemsAttrsToGroup: fix inheitable only attrs array (fix #47)
• plugins/removeEmptyContainers: do not remove an empty 'svg' element (fix #48)
• plugins/removeDefaultPx: should also understand a floating-numbers too (fix #49)
• plugins/removeUnknownsAndDefaults: merge multiple groupDefaults attrs (close #50)

[ > ] 0.1.0 / 22.11.2012

• new plugin plugins/removeUnknownsAndDefaults (close #6)
• plugins/convertPathData: convert straight curves into lines segments (close #17); remove an absolute coords conversions
• plugins/convertPathData: convert quadratic Bézier curveto into smooth shorthand (close #31)
• plugins/convertPathData: convert curveto into smooth shorthand (close #30)
• lib/svgo: global API refactoring (close #37)
• lib/svgo: fatal and stupid error in stream chunks concatenation (fix #40)
• lib/coa: batch folder optimization (close #29)
• lib/coa: support arguments as aliases to --input and --output (close #28)
• project logo by Egor Bolhshakov
• move modules to ./lib/svgo/
• rename and convert config.json to .svgo.yml
• add ./docs/
• plugins/convertPathData: don't remove first M even if it's 0,0
• plugins/convertPathData: stronger defense from infinite loop
• plugins/moveElemsAttrsToGroup: should affect only inheritable attributes (fix #46)*
• plugins/removeComments: ignore comments which starts with '!' (close #43)
• config: cleanupAttrs should be before convertStyleToAttrs (fix #44)*
• lib/svgo/jsAPI: add eachAttr() optional context param
• temporarily remove PhantomJS and --test (close #38)
• q@0.8.10 compatibility: 'end is deprecated, use done instead' fix
• add Istanbul code coverage
• update dependencies versions and gitignore
• README: add TODO section with versions milestones
• update README with License section
• update LICENSE with russian translation
• .editorconfig: 2 spaces for YAML

[ > ] 0.0.9 / 29.10.2012

• plugins how-to (close #27)
• allow any plugin of any type to go in any order (close #14)
• allow to do a multiple optimizations with one init (close #25)
• plugins/convertPathData: global refactoring
• plugins/convertPathData: do all the tricks with absolute coords too (fix #22)
• plugins/convertPathData: accumulation of rounding errors (fix #23)
• plugins/convertPathData: prevent an infinity loop on invalid path data (fix #26)
• plugins/convertPathData: do not remove very first M from the path data (fix #24)
• plugins/convertPathData: optimize path data in <glyph> and <missing-glyph> (close #20)
• plugins/convertTransform: add patternTransform attribute to the process (close #15)
• plugins/convertTransform: Firefox: removing extra space in front of negative number is alowed only in path data, but not in transform (fix #12)
• plugins/removeXMLProcInst: remove only 'xml' but not 'xml-stylesheet' (fix #21)
• plugins/collapseGroups: merge split-level transforms (fix #13)
• jsdoc corrections

[ > ] 0.0.8 / 20.10.2012

• new plugin convertTransform (close #5)
• new plugin removeUnusedNS
• plugins/convertPathData: remove useless segments
• plugins/convertPathData: a lot of refactoring
• plugins/convertPathData: round numbers before conditions because of exponential notation (fix #3)
• plugins/moveElemsAttrsToGroup: merge split-level transforms instead of replacing (fix #10)
• lib/svg2js: catch and output xml parser errors (fix #4)
• lib/coa: open file for writing only when we are ready (fix #2)
• lib/tools: node.extend module
• lib/plugins: refactoring
• lib/js2svg: refactoring
• lib/jsAPI: simplification and refactoring
• absolute urls in README
• update .editorconfig
• update .travis.yml with nodejs 0.9

[ > ] 0.0.7 / 14.10.2012

• new plugin convertPathData
• --input data now can be a Data URI base64 string
• --output data now can be a Data URI base64 string with --datauri flag
• Travis CI
• JSHint corrections + .jshintrc
• .editorconfig
• display time spent on optimization
• .svgo → config.json
• lib/phantom_wrapper.js → lib/phantom.js

[ > ] 0.0.6 / 04.10.2012

• add --test option to make a visual comparison of two files (PhantomJS pre-required)
• update README and CHANGELOG with the correct relative urls

[ > ] 0.0.5 / 03.10.2012

• every plugin now has at least one test
• removeViewBox, cleanupEnableBackground, removeEditorsNSData, convertStyleToAttrs and collapseGroups plugins fixes
• new --pretty option for the pretty printed SVG
• lib/config refactoring

[ > ] 0.0.4 / 30.09.2012

• new plugin removeViewBox
• new plugin cleanupEnableBackground
• display useful info after successful optimization
• 'npm test' with 'spec' mocha output by default

[ > ] 0.0.3 / 29.09.2012

• plugins/collapseGroups bugfix
• plugins/moveElemsAttrsToGroup bugfix
• svgo now display --help if running w/o arguments
• massive jsdoc updates
• plugins engine main filter function optimization

[ > ] 0.0.2 / 28.09.2012

• add --disable and --enable command line options
• add an empty values rejecting to coa.js
• update README

[ > ] 0.0.1 / 27.09.2012

• initial public version