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+# es6-shim x.x.x (not yet released)
+
+# es6-shim 0.18.0 (6 Sep 2014)
+* Speed up String#trim replacement (#284)
+* named Array#find and Array#findIndex for easier debugging
+* Replace broken native implementation in Firefox 25-31 for Array#find and Array#findIndex
+* Ensure String.fromCodePoint has the correct length in Firefox
+* List the license in `package.json` for `npm`
+* Array.from: fix spec bug with Array.from([], undefined) throwing
+* Array.from: fix Firefox Array.from bug wrt swallowing negative lengths vs throwing
+
+# es6-shim 0.17.0 (31 Aug 2014)
+* Added es6-sham (#281)
+* Fixing some flaky tests (#268)
+* Tweaking how ArrayIterator is checked in its "next" function
+* Cleaning up some of the logic in Array.from
+
+# es6-shim 0.16.0 (6 Aug 2014)
+* Array#find and Array#findIndex: no longer skips holes in sparse arrays, per https://bugs.ecmascript.org/show_bug.cgi?id=3107
+
+# es6-shim 0.15.1 (5 Aug 2014)
+* Array.from: now correctly throws if provided `undefined` as a mapper function
+* Array.from: now correctly works if provided a falsy `thisArg`
+* Fix tests so they work properly when Array#(values|keys|entries) are not present
+* Add `npm run lint` to run style checks independently
+* Add `test/native.html` so browsers can be easily checked for shim-less compliance.
+
+# es6-shim 0.15.0 (31 Jul 2014)
+* Object.assign no longer throws on null or undefined sources, per https://bugs.ecmascript.org/show_bug.cgi?id=3096
+
+# es6-shim 0.14.0 (20 Jul 2014)
+* Properly recognize Symbol.iterator when it is present (#277)
+* Fix Math.clz's improper handling of values that coerce to NaN (#269)
+* Fix incorrect handling of negative end index on Array#fill (#270)
+* Removed Object.getOwnPropertyKeys, which shouldn't be anywhere (#267)
+* Fixed arity of Map and Set constructors, per 2014.04.27 draft spec (rev 24)
+* Added a full additional suite of ES6 promise tests (thanks to @smikes!) (#265)
+* Make Number.isInteger a bit more efficient (#266)
+* Added `npm run test-native` to expose how broken implementations are without the shim ;-)
+* Added additional tests
+
+# es6-shim 0.13.0 (11 Jun 2014)
+* Adapt to new Array.from changes: mapper function is now called with both value and index (#261, #262)
+* More reliably getting the global object in strict mode to fix node-webkit (#258, #259)
+* Properly test the global Promise for ignoring non-function callbacks (#258)
+
+# es6-shim 0.12.0 (4 Jun 2014)
+* Fix String#trim implementations that incorrectly trim \u0085
+* Stop relying on ArrayIterator being a public var, fixing Safari 8
+
+# es6-shim 0.11.1 (2 Jun 2014)
+* Make sure to shim Object.assign in all environments, not just true ES5
+* Now including minified file and source map
+
+# es6-shim 0.11.0 (11 May 2014)
+* Remove `Object.getOwnPropertyDescriptors`, per spec. (#234, #235)
+* IE8 fixes. (#163, #236)
+* Improve `Promise` scheduling. (#231)
+* Add some more standalone shims
+* Use an Object.create fallback, for better ES3 compatibility
+* Fix Math.expm1 in more browsers (#84)
+* Fix es6-shim in Web Workers (#247, #248)
+* Correct Object.assign to take multiple sources (#241)
+
+# es6-shim 0.10.1 (13 Mar 2014)
+* Update bower.json, component.json, and .npmignore (#229, #230, #233)
+* Minor updates to `Promise` implementation and test suite.
+* Workaround lack of 'strict mode' in IE9. (#232)
+
+# es6-shim 0.10.0 (1 March 2014)
+* Implement `Promise`, per spec. (#209, #215, #224, #225)
+* Make `Map`/`Set` subclassable; support `iterable` argument to
+  constructor (#218)
+* Rename `Number#clz` to `Math.clz32` (#217)
+* Bug fixes to `Array#find` and `Array#findIndex` on sparse arrays (#213)
+* Re-add `Number.isInteger` (mistakenly removed in 0.9.0)
+* Allow use of `arguments` as an iterable
+* Minor spec-compliance fixes for `String.raw`
+* In ES6, `Object.keys` accepts non-Object types (#220)
+* Improved browser compatibility with IE 9/10, Opera 12 (#225)
+
+# es6-shim 0.9.3 (5 February 2014)
+* Per spec, removed `Object.mixin` (#192)
+* Per spec, treat -0 and +0 keys as identical in Map/Set (#129, #204)
+* Per spec, `ArrayIterator`/`Array#values()` skips sparse indexes now. (#189)
+* Added `Array.from`, supporting Map/Set/Array/String iterators (the String iterator iterates over codepoints, not indexes) (#182)
+* Bug fixes to Map/Set iteration after concurrent delete. (#183)
+* Bug fixes to `Number.clz`: 0 and 0x100000000 are handled correctly now. (#196)
+* Added `Math.fround` to truncate to a 32-bit floating point number. (#140)
+* Bug fix for `Math.cosh` (#178)
+* Work around Firefox bugs in `String#startsWith` and `String#endsWith` (#172)
+* Work around Safari bug in `Math.imul`
+
+# es6-shim 0.9.2 (18 December 2013)
+* Negative `String#endsWith` position is now handled properly.
+* `TypeError` is now thrown when string methods are called
+  on `null` / `undefined`.
+
+# es6-shim 0.9.1 (28 October 2013)
+* Added `Array#copyWithin` and `Number.MIN_SAFE_INTEGER`
+* Big speed-up of Maps / Sets for string / number keys:
+  they are O(1) now.
+* Changed `Math.hypot` according to spec.
+* Other small fixes.
+
+# es6-shim 0.9.0 (30 August 2013)
+* Added Array iteration methods: `Array#keys`, `Array#values`, `Array#entries`, which return an `ArrayIterator`
+* Changed `Map` and `Set` constructors to conform to spec when called without `new`
+* Added `Math.imul`
+* Per spec, removed `Number.toInteger`, `Number.isInteger`, and `Number.MAX_INTEGER`; added `Number.isSafeInteger`, `Number.MAX_SAFE_INTEGER`
+* Added extensive additional tests for many methods
+
+# es6-shim 0.8.0 (8 June 2013)
+* Added `Object.setPrototypeOf`, `Set#keys`, `Set#values`, `Map#keys`, `Map#values`, `Map#entries`, `Set#entries`.
+* Fixed `String#repeat` according to spec.
+
+# es6-shim 0.7.0 (2 April 2013)
+* Added `Array#find`, `Array#findIndex`, `Object.assign`, `Object.mixin`,
+  `Math.cbrt`, `String.fromCodePoint`, `String#codePointAt`.
+* Removed `Object.isnt`.
+* Made Math functions fully conform spec.
+
+# es6-shim 0.6.0 (15 January 2013)
+* Added `Map#keys`, `Map#values`, `Map#size`, `Set#size`, `Set#clear`.
+
+# es6-shim 0.5.3 (2 September 2012)
+* Made `String#startsWith`, `String#endsWith` fully conform spec.
+
+# es6-shim 0.5.2 (17 June 2012)
+* Removed `String#toArray` and `Object.isObject` as per spec updates.
+
+# es6-shim 0.5.1 (14 June 2012)
+* Made Map and Set follow Spidermonkey implementation instead of V8.
+`var m = Map(); m.set('key', void 0); m.has('key');` now gives true.
+
+# es6-shim 0.5.0 (13 June 2012)
+* Added Number.MAX_INTEGER, Number.EPSILON, Number.parseInt,
+Number.parseFloat, Number.prototype.clz, Object.isObject.
+
+# es6-shim 0.4.1 (11 May 2012)
+* Fixed boundary checking in Number.isInteger.
+
+# es6-shim 0.4.0 (8 February 2012)
+* Added Math.log10, Math.log2, Math.log1p, Math.expm1, Math.cosh,
+Math.sinh, Math.tanh, Math.acosh, Math.asinh, Math.atanh, Math.hypot,
+Math.trunc.
+
+# es6-shim 0.3.1 (30 January 2012)
+* Added IE8 support.
+
+# es6-shim 0.3.0 (27 January 2012)
+* Added Number.isFinite() and Object.isnt().
+
+# es6-shim 0.2.1 (7 January 2012)
+* Fixed a bug in String#endsWith().
+
+# es6-shim 0.2.0 (25 December 2011)
+* Added browser support.
+* Added tests.
+* Added Math.sign().
+
+# es6-shim 0.1.0 (25 December 2011)
+* Initial release