v4.1.10

Fixes (shim)

• Fix IE 8 issue with window.frameElement access in a child iframe (#322)

Tests

• Consolidating Date.parse extended year tests
• Account for a Date.parse precision variance in Safari 8
• DRY up some Date.parse tests
• Don't create globals in Date tests
• Better failure output when an invalid date's toJSON throws
• Also compare lengths of array-likes
• Extra check on Object.keys(arguments)
• Skip appropriate tests when objects aren't extensible/freezeable/sealable

v4.1.9

Fixes

• Remove "extended", add "unicode" in String#split shim, to match ES6
• Object.keys: Preserve the IE 8 dontEnum bugfix, and the automation equality bugfix.
• Object.keys: Prevent a deprecation message from showing up in Chrome.

Performance

• Speed up blacklisted key check for Object.keys automation equality bug.

Tests

• Test on io.js v2.4

Dev Deps

• Update eslint, semver

v4.1.8

Fixes

• Fix an Object.keys IE 8 bug where localStorage.prototype.constructor === localStorage would throw (#275)
• Shimmed Object.defineProperty should not throw for an empty descriptor (#315)
• Fix Date#toISOString in Safari 5.1 (#243)
• Use Object#propertyIsEnumerable to default the initial "enumerable" value in Object.getOwnPropertyDescriptor sham (#289)
• Fix Array#splice with large sparse arrays in Safari 7/8, and Opera 12.15 (#295)

Robustness

• Safely use and reference many builtins internally (also see #313)

Tests

• Add Date#{getUTCDate,getUTCMonth} tests to expose Opera 10.6/11.61/12 Date bugs

Dev Deps

• Update eslint

v4.1.7

Fixes

• Make sure Date.parse is not enumerable (#310)

Tests

• Test on io.js v2.3

Dev Deps

• Update eslint

v4.1.6

Fixes

• Support IE 8 when document.domain is set (#306, #150)

Misc

• Remove version from bower.json (#307)

v4.1.5

Fixes

• Add a failing runtime check for Safari 8 Date.parse

Dev Deps

• Update eslint, semver

Testing

• Test on io.js v2.2

v4.1.4

Fixes

• Make sure copied Date properties remain non-enumerable.
• Using a more reliable check for supported property descriptors in non-IE ES3
• Fix 'constructor' in Object.defineProperties sham in ES3 (#252, #305)

Robustness

• Use a reference to Array#concat rather than relying on the runtime environment's concat.

Testing

• Test on io.js v2.1

Refactoring

• Clean up Array.prototype iteration methods

v4.1.3

• Use proper license declaration, per https://docs.npmjs.com/files/package.json#license

v4.1.2

Fixes

• In IE 6-8, Date inside the function expression does not reference DateShim (#303)
• Date: Ensure all code paths have the correct constructor property
• Date: Don't copy non-own properties from original Date

Tests

• Test up to io.js v2.0.0
• Adding sanity check tests for ES5 Number constants.

Dev Dependencies

• Update uglify-js, eslint, semver

Refactors

• Simplify isPrimitive check.

v4.1.1

• Fix name of parseInt replacement.
• Update copyright year
• Update eslint, jscs
• Lock uglify-js down to v2.4.17, since v2.4.18 and v2.4.19 have a breaking change.
• All grade A-supported node/iojs versions now ship with an npm that understands ^.
• Run travis-ci tests on latest node and iojs; speed up builds; allow 0.8 failures.
• Ensure some Object tests don't fail in ES6
• Make sure Date instances don't have an enumerable constructor property, when possible.