v4.4.1

Fix (shim)

• ensure that IE 11 in compatibility mode doesn't throw (#370)

Docs

• add missing shimmed things

v4.4.0

New Stuff

• Detect and patch RegExp#toString in IE 8, which returns flags in the wrong order (#364)

Fixes (shim)

• Patch Array#sort on {Chrome, Safari, IE < 9, FF 4} that throws improperly, per ES5 (#354)
• In IE 6, window.external makes Object.keys throw
• Array#slice: boxed string access on IE <= 8 (#349)
• Array#join: fix IE 6-8 join called on string literal (#352)
• Ensure that Error#message and Error#name are non-enumerable (#358)

Fixes (sham)

• Object.getOwnPropertyDescriptor: In Opera 11.6, propertyIsEnumerable is a nonshadowable global, like toString

Robustness

• Use a bound form of Array#slice.call

Tests

• Properly check for descriptor support in IE <= 8
• test on node v5.1
• Add Array#slice tests (#346)

Dev Deps

• update uglify-js, eslint, jscs, uglify-js, semver

Docs

• Fix broken UMD links (#344)

v4.3.1

Fix (shim)

• String#split: revert part of dcce96a which broke in older browsers (#342)

Dev Deps

• update eslint, @ljharb/eslint-config, jscs

Tests

• Firefox allows Number#toPrecision values of [1,100], which the spec permits

v4.3.0

New Shims (shim)

• Array#push: in IE <= 7, Array#push was not generic (#336)
• Array#push in Opera 10.6 has a super weird bug when pushing undefined
• Array#join: In IE <= 7, passing undefined didn't use the default separator (#333)
• Error#toString: prints out the proper message in IE 7 and below (#334)
• Number#toPrecision: IE 7 and below incorrectly throw when an explicit undefined precision is passed (#340)

Fixes (shim)

• String#lastIndexOf: ensure the correct length in IE 8
• ensure parseInt accepts negative and plus-prefixed hex values (#332)

Robustness

• Use a bound Array#push instead of relying on Function#call

Dev Deps

• update eslint, @ljharb/eslint-config, jscs

Tests

• Add some conditionals to avoid impossible-to-fix test failures in IE 6-8, due to it being unable to distinguish between undefined and an absent index (#114)
• Fix false negatives in IE 6-8 with jasmine comparing arrays to arraylikes (#114)
• add additional Array#shift tests (#337)
• Add additional Array#splice tests (#339)
• Add Array#pop tests, just in case (#338)
• include global tests in HTML test files
• Make sure the HTML tests run with the right charset
• ensure node v0.8 tests stay passing.
• Prevent nondeterminism in the tests - this sometime produced values that are one ms off
• test on node v5.0
• fix npm upgrades for older nodes

v4.2.0

shim (new)

• Overwrite String#lastIndexOf in IE 9, 10, 11, and Edge, so it has proper unicode support (#331)

Dev Deps

• update eslint, jscs

v4.1.15

Fixes (shim)

• new Date + Date.parse: Fix a Safari 8 & 9 bug where the ms arg is treated as a signed instead of unsigned int (#329)
• add 'frame' to blacklisted keys (#330)

Tests

• Test on node v4.2
• Date: prevent nondeterminism in the tests - this sometime produced values that are one ms off

Dev Deps

• update eslint, @ljharb/eslint-config, jscs, uglify-js

v4.1.14

Fix (shim)

• Wrap more things in a try/catch, because IE sucks and sometimes throws on [[Get]] of window.localStorage (#327)

Refactor

• Use ES.ToUint32 instead of inline >>>

Tests

• Test up to node v4.1

Dev Deps

• update eslint, @ljharb/eslint-config, semver, jscs

v4.1.13

Fix (shim)

• Fix a bug where Date(x) threw instead of equalling String(Date(x)) (#326)

v4.1.12

Fix (build process)

• Make sure uglify doesn't remove function names

Fix (shim)

• Use is-arguments implementation; don't call down legacy code path in modern engines (#325)

Tests

• up to io.js v3.3

Dev Deps

• update eslint, @ljharb/eslint-config

v4.1.11

Fixes (shim)

• Object.keys in Safari 9 has some bugs. (Already fixed in Webkit Nightly)
• Omit !Date.parse check in the if statement (#323)

Fixes (sham)

• Fix Object.create sham to not set proto (#301)
• Add a typeof check to Object.getPrototypeOf (#319, #320)

Tests

• up to io.js v3.1
• Make sure Object.getPrototypeOf tests don't fail when engines implement ES6 semantics

Docs

• Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG (#318)

Dev Dependencies

• Update eslint, uglify-js, jscs; use my personal shared eslint config