diff --git a/README.md b/README.md
index 45a01eddb..10a281986 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# lodash v4.4.1
+# lodash v4.4.2
 
 The [lodash](https://lodash.com/) library exported as [npm packages](https://www.npmjs.com/browse/keyword/lodash-modularized) per method.
 
diff --git a/lodash._baseintersection/README.md b/lodash._baseintersection/README.md
index 7f7721fe1..282cd7b2d 100644
--- a/lodash._baseintersection/README.md
+++ b/lodash._baseintersection/README.md
@@ -1,4 +1,4 @@
-# lodash._baseintersection v4.4.1
+# lodash._baseintersection v4.4.2
 
 The internal [lodash](https://lodash.com/) function `baseIntersection` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var baseIntersection = require('lodash._baseintersection');
 ```
 
-See the [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash._baseintersection) for more details.
+See the [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash._baseintersection) for more details.
diff --git a/lodash._baseintersection/index.js b/lodash._baseintersection/index.js
index ef9e90748..32854ab11 100644
--- a/lodash._baseintersection/index.js
+++ b/lodash._baseintersection/index.js
@@ -1,5 +1,5 @@
 /**
- * lodash 4.4.1 (Custom Build) <https://lodash.com/>
+ * lodash 4.4.2 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
  * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
diff --git a/lodash._baseintersection/package.json b/lodash._baseintersection/package.json
index 4ed47edd9..f586f0380 100644
--- a/lodash._baseintersection/package.json
+++ b/lodash._baseintersection/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash._baseintersection",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The internal lodash function `baseIntersection` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
@@ -14,6 +14,6 @@
   "repository": "lodash/lodash",
   "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" },
   "dependencies": {
-    "lodash._setcache": "^4.0.0"
+    "lodash._setcache": "~4.1.0"
   }
 }
diff --git a/lodash.flattendepth/LICENSE b/lodash.flattendepth/LICENSE
index bcbe13d67..e0c69d560 100644
--- a/lodash.flattendepth/LICENSE
+++ b/lodash.flattendepth/LICENSE
@@ -1,23 +1,47 @@
-The MIT License (MIT)
+Copyright jQuery Foundation and other contributors <https://jquery.org/>
 
-Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
-Based on Underscore.js, copyright 2009-2016 Jeremy Ashkenas,
+Based on Underscore.js, copyright Jeremy Ashkenas,
 DocumentCloud and Investigative Reporters & Editors <http://underscorejs.org/>
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+This software consists of voluntary contributions made by many
+individuals. For exact contribution history, see the revision history
+available at https://github.com/lodash/lodash
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+The following license applies to all parts of this software except as
+documented below:
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+====
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+====
+
+Copyright and related rights for sample code are waived via CC0. Sample
+code is defined as all source code displayed within the prose of the
+documentation.
+
+CC0: http://creativecommons.org/publicdomain/zero/1.0/
+
+====
+
+Files located in the node_modules and vendor directories are externally
+maintained libraries used by this software which have their own
+licenses; we recommend you read them, as their terms may differ from the
+terms above.
diff --git a/lodash.flattendepth/README.md b/lodash.flattendepth/README.md
index fc97163a6..27497e386 100644
--- a/lodash.flattendepth/README.md
+++ b/lodash.flattendepth/README.md
@@ -1,4 +1,4 @@
-# lodash.flattendepth v4.4.1
+# lodash.flattendepth v4.4.2
 
 The [lodash](https://lodash.com/) method `_.flattenDepth` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var flattenDepth = require('lodash.flattendepth');
 ```
 
-See the [documentation](https://lodash.com/docs#flattenDepth) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.flattendepth) for more details.
+See the [documentation](https://lodash.com/docs#flattenDepth) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.flattendepth) for more details.
diff --git a/lodash.flattendepth/index.js b/lodash.flattendepth/index.js
index f32ce27d6..cd0834ea0 100644
--- a/lodash.flattendepth/index.js
+++ b/lodash.flattendepth/index.js
@@ -1,10 +1,10 @@
 /**
- * lodash 4.4.1 (Custom Build) <https://lodash.com/>
+ * lodash 4.4.2 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
- * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
+ * Copyright jQuery Foundation and other contributors <https://jquery.org/>
+ * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  */
 var baseFlatten = require('lodash._baseflatten');
 
@@ -15,7 +15,8 @@ var INFINITY = 1 / 0,
 
 /** `Object#toString` result references. */
 var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]';
+    genTag = '[object GeneratorFunction]',
+    symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
 var reTrim = /^\s+|\s+$/g;
@@ -46,6 +47,7 @@ var objectToString = objectProto.toString;
  *
  * @static
  * @memberOf _
+ * @since 4.4.0
  * @category Array
  * @param {Array} array The array to flatten.
  * @param {number} [depth=1] The maximum recursion depth.
@@ -74,9 +76,11 @@ function flattenDepth(array, depth) {
  *
  * @static
  * @memberOf _
+ * @since 0.1.0
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @returns {boolean} Returns `true` if `value` is correctly classified,
+ *  else `false`.
  * @example
  *
  * _.isFunction(_);
@@ -99,6 +103,7 @@ function isFunction(value) {
  *
  * @static
  * @memberOf _
+ * @since 0.1.0
  * @category Lang
  * @param {*} value The value to check.
  * @returns {boolean} Returns `true` if `value` is an object, else `false`.
@@ -122,12 +127,65 @@ function isObject(value) {
 }
 
 /**
- * Converts `value` to an integer.
- *
- * **Note:** This function is loosely based on [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
  *
  * @static
  * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
+}
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified,
+ *  else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+/**
+ * Converts `value` to an integer.
+ *
+ * **Note:** This function is loosely based on
+ * [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
  * @category Lang
  * @param {*} value The value to convert.
  * @returns {number} Returns the converted integer.
@@ -163,6 +221,7 @@ function toInteger(value) {
  *
  * @static
  * @memberOf _
+ * @since 4.0.0
  * @category Lang
  * @param {*} value The value to process.
  * @returns {number} Returns the number.
@@ -181,6 +240,12 @@ function toInteger(value) {
  * // => 3
  */
 function toNumber(value) {
+  if (typeof value == 'number') {
+    return value;
+  }
+  if (isSymbol(value)) {
+    return NAN;
+  }
   if (isObject(value)) {
     var other = isFunction(value.valueOf) ? value.valueOf() : value;
     value = isObject(other) ? (other + '') : other;
diff --git a/lodash.flattendepth/package.json b/lodash.flattendepth/package.json
index 1a357a1b4..bf4705faa 100644
--- a/lodash.flattendepth/package.json
+++ b/lodash.flattendepth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.flattendepth",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.flattenDepth` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.get/README.md b/lodash.get/README.md
index 5802ad6f2..90796144c 100644
--- a/lodash.get/README.md
+++ b/lodash.get/README.md
@@ -1,4 +1,4 @@
-# lodash.get v4.4.1
+# lodash.get v4.4.2
 
 The [lodash](https://lodash.com/) method `_.get` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var get = require('lodash.get');
 ```
 
-See the [documentation](https://lodash.com/docs#get) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.get) for more details.
+See the [documentation](https://lodash.com/docs#get) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.get) for more details.
diff --git a/lodash.get/index.js b/lodash.get/index.js
index 4c2a5a3a2..0eaadec50 100644
--- a/lodash.get/index.js
+++ b/lodash.get/index.js
@@ -29,7 +29,7 @@ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
 
 /**
  * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
@@ -81,6 +81,7 @@ function isHostObject(value) {
 
 /** Used for built-in method references. */
 var arrayProto = Array.prototype,
+    funcProto = Function.prototype,
     objectProto = Object.prototype;
 
 /** Used to detect overreaching core-js shims. */
@@ -93,14 +94,14 @@ var maskSrcKey = (function() {
 }());
 
 /** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
+var funcToString = funcProto.toString;
 
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -431,7 +432,7 @@ MapCache.prototype.set = mapCacheSet;
  * Gets the index at which the `key` is found in `array` of key-value pairs.
  *
  * @private
- * @param {Array} array The array to search.
+ * @param {Array} array The array to inspect.
  * @param {*} key The key to search for.
  * @returns {number} Returns the index of the matched value, else `-1`.
  */
@@ -650,7 +651,7 @@ function toSource(func) {
  * **Note:** The cache is exposed as the `cache` property on the memoized
  * function. Its creation may be customized by replacing the `_.memoize.Cache`
  * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
  * method interface of `delete`, `get`, `has`, and `set`.
  *
  * @static
@@ -709,7 +710,7 @@ memoize.Cache = MapCache;
 
 /**
  * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  * comparison between two values to determine if they are equivalent.
  *
  * @static
@@ -787,15 +788,14 @@ var isArray = Array.isArray;
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
diff --git a/lodash.get/package.json b/lodash.get/package.json
index 070eaaaf8..3dd8e77eb 100644
--- a/lodash.get/package.json
+++ b/lodash.get/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.get",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.get` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.ismap/README.md b/lodash.ismap/README.md
index 9ba5e001e..d9aeab6bd 100644
--- a/lodash.ismap/README.md
+++ b/lodash.ismap/README.md
@@ -1,4 +1,4 @@
-# lodash.ismap v4.4.1
+# lodash.ismap v4.4.2
 
 The [lodash](https://lodash.com/) method `_.isMap` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var isMap = require('lodash.ismap');
 ```
 
-See the [documentation](https://lodash.com/docs#isMap) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.ismap) for more details.
+See the [documentation](https://lodash.com/docs#isMap) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.ismap) for more details.
diff --git a/lodash.ismap/index.js b/lodash.ismap/index.js
index a67284082..19ed0e492 100644
--- a/lodash.ismap/index.js
+++ b/lodash.ismap/index.js
@@ -20,7 +20,7 @@ var dataViewTag = '[object DataView]';
 
 /**
  * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
@@ -103,7 +103,8 @@ function isHostObject(value) {
 }
 
 /** Used for built-in method references. */
-var objectProto = Object.prototype;
+var funcProto = Function.prototype,
+    objectProto = Object.prototype;
 
 /** Used to detect overreaching core-js shims. */
 var coreJsData = root['__core-js_shared__'];
@@ -115,14 +116,14 @@ var maskSrcKey = (function() {
 }());
 
 /** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
+var funcToString = funcProto.toString;
 
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -208,7 +209,7 @@ function getNative(object, key) {
 var getTag = baseGetTag;
 
 // Fallback for data views, maps, sets, and weak maps in IE 11,
-// for data views in Edge, and promises in Node.js.
+// for data views in Edge < 14, and promises in Node.js.
 if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
     (Map && getTag(new Map) != mapTag) ||
     (Promise && getTag(Promise.resolve()) != promiseTag) ||
@@ -281,15 +282,14 @@ function toSource(func) {
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
diff --git a/lodash.ismap/package.json b/lodash.ismap/package.json
index ad008888b..5c4ce5997 100644
--- a/lodash.ismap/package.json
+++ b/lodash.ismap/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.ismap",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.isMap` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.isset/README.md b/lodash.isset/README.md
index c1e848eaa..2c90ccafa 100644
--- a/lodash.isset/README.md
+++ b/lodash.isset/README.md
@@ -1,4 +1,4 @@
-# lodash.isset v4.4.1
+# lodash.isset v4.4.2
 
 The [lodash](https://lodash.com/) method `_.isSet` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var isSet = require('lodash.isset');
 ```
 
-See the [documentation](https://lodash.com/docs#isSet) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.isset) for more details.
+See the [documentation](https://lodash.com/docs#isSet) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.isset) for more details.
diff --git a/lodash.isset/index.js b/lodash.isset/index.js
index ec3d617dc..1c5a10f0b 100644
--- a/lodash.isset/index.js
+++ b/lodash.isset/index.js
@@ -20,7 +20,7 @@ var dataViewTag = '[object DataView]';
 
 /**
  * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
@@ -103,7 +103,8 @@ function isHostObject(value) {
 }
 
 /** Used for built-in method references. */
-var objectProto = Object.prototype;
+var funcProto = Function.prototype,
+    objectProto = Object.prototype;
 
 /** Used to detect overreaching core-js shims. */
 var coreJsData = root['__core-js_shared__'];
@@ -115,14 +116,14 @@ var maskSrcKey = (function() {
 }());
 
 /** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
+var funcToString = funcProto.toString;
 
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -208,7 +209,7 @@ function getNative(object, key) {
 var getTag = baseGetTag;
 
 // Fallback for data views, maps, sets, and weak maps in IE 11,
-// for data views in Edge, and promises in Node.js.
+// for data views in Edge < 14, and promises in Node.js.
 if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
     (Map && getTag(new Map) != mapTag) ||
     (Promise && getTag(Promise.resolve()) != promiseTag) ||
@@ -281,15 +282,14 @@ function toSource(func) {
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
diff --git a/lodash.isset/package.json b/lodash.isset/package.json
index 1e2f890b6..b69f8b45a 100644
--- a/lodash.isset/package.json
+++ b/lodash.isset/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.isset",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.isSet` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.property/README.md b/lodash.property/README.md
index 6f8d7edf0..c717deba1 100644
--- a/lodash.property/README.md
+++ b/lodash.property/README.md
@@ -1,4 +1,4 @@
-# lodash.property v4.4.1
+# lodash.property v4.4.2
 
 The [lodash](https://lodash.com/) method `_.property` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var property = require('lodash.property');
 ```
 
-See the [documentation](https://lodash.com/docs#property) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.property) for more details.
+See the [documentation](https://lodash.com/docs#property) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.property) for more details.
diff --git a/lodash.property/index.js b/lodash.property/index.js
index add62bf49..8e3da5523 100644
--- a/lodash.property/index.js
+++ b/lodash.property/index.js
@@ -29,7 +29,7 @@ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
 
 /**
  * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
@@ -94,6 +94,7 @@ function isHostObject(value) {
 
 /** Used for built-in method references. */
 var arrayProto = Array.prototype,
+    funcProto = Function.prototype,
     objectProto = Object.prototype;
 
 /** Used to detect overreaching core-js shims. */
@@ -106,14 +107,14 @@ var maskSrcKey = (function() {
 }());
 
 /** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
+var funcToString = funcProto.toString;
 
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -444,7 +445,7 @@ MapCache.prototype.set = mapCacheSet;
  * Gets the index at which the `key` is found in `array` of key-value pairs.
  *
  * @private
- * @param {Array} array The array to search.
+ * @param {Array} array The array to inspect.
  * @param {*} key The key to search for.
  * @returns {number} Returns the index of the matched value, else `-1`.
  */
@@ -676,7 +677,7 @@ function toSource(func) {
  * **Note:** The cache is exposed as the `cache` property on the memoized
  * function. Its creation may be customized by replacing the `_.memoize.Cache`
  * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
  * method interface of `delete`, `get`, `has`, and `set`.
  *
  * @static
@@ -735,7 +736,7 @@ memoize.Cache = MapCache;
 
 /**
  * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  * comparison between two values to determine if they are equivalent.
  *
  * @static
@@ -813,15 +814,14 @@ var isArray = Array.isArray;
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
diff --git a/lodash.property/package.json b/lodash.property/package.json
index 140413649..c1476d616 100644
--- a/lodash.property/package.json
+++ b/lodash.property/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.property",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.property` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.propertyof/README.md b/lodash.propertyof/README.md
index 02f520dc1..96778005d 100644
--- a/lodash.propertyof/README.md
+++ b/lodash.propertyof/README.md
@@ -1,4 +1,4 @@
-# lodash.propertyof v4.4.1
+# lodash.propertyof v4.4.2
 
 The [lodash](https://lodash.com/) method `_.propertyOf` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var propertyOf = require('lodash.propertyof');
 ```
 
-See the [documentation](https://lodash.com/docs#propertyOf) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.propertyof) for more details.
+See the [documentation](https://lodash.com/docs#propertyOf) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.propertyof) for more details.
diff --git a/lodash.propertyof/index.js b/lodash.propertyof/index.js
index 978f2a88f..5f65936f9 100644
--- a/lodash.propertyof/index.js
+++ b/lodash.propertyof/index.js
@@ -29,7 +29,7 @@ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
 
 /**
  * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
@@ -81,6 +81,7 @@ function isHostObject(value) {
 
 /** Used for built-in method references. */
 var arrayProto = Array.prototype,
+    funcProto = Function.prototype,
     objectProto = Object.prototype;
 
 /** Used to detect overreaching core-js shims. */
@@ -93,14 +94,14 @@ var maskSrcKey = (function() {
 }());
 
 /** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
+var funcToString = funcProto.toString;
 
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -431,7 +432,7 @@ MapCache.prototype.set = mapCacheSet;
  * Gets the index at which the `key` is found in `array` of key-value pairs.
  *
  * @private
- * @param {Array} array The array to search.
+ * @param {Array} array The array to inspect.
  * @param {*} key The key to search for.
  * @returns {number} Returns the index of the matched value, else `-1`.
  */
@@ -650,7 +651,7 @@ function toSource(func) {
  * **Note:** The cache is exposed as the `cache` property on the memoized
  * function. Its creation may be customized by replacing the `_.memoize.Cache`
  * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
  * method interface of `delete`, `get`, `has`, and `set`.
  *
  * @static
@@ -709,7 +710,7 @@ memoize.Cache = MapCache;
 
 /**
  * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  * comparison between two values to determine if they are equivalent.
  *
  * @static
@@ -787,15 +788,14 @@ var isArray = Array.isArray;
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
diff --git a/lodash.propertyof/package.json b/lodash.propertyof/package.json
index 6b321a623..f5d5a17f7 100644
--- a/lodash.propertyof/package.json
+++ b/lodash.propertyof/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.propertyof",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.propertyOf` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.sortby/README.md b/lodash.sortby/README.md
index 75d9b2b7b..fb343a1a5 100644
--- a/lodash.sortby/README.md
+++ b/lodash.sortby/README.md
@@ -1,4 +1,4 @@
-# lodash.sortby v4.4.1
+# lodash.sortby v4.4.2
 
 The [lodash](https://lodash.com/) method `_.sortBy` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var sortBy = require('lodash.sortby');
 ```
 
-See the [documentation](https://lodash.com/docs#sortBy) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.sortby) for more details.
+See the [documentation](https://lodash.com/docs#sortBy) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.sortby) for more details.
diff --git a/lodash.sortby/index.js b/lodash.sortby/index.js
index 23cc97ea9..1426759ca 100644
--- a/lodash.sortby/index.js
+++ b/lodash.sortby/index.js
@@ -1,5 +1,5 @@
 /**
- * lodash 4.4.1 (Custom Build) <https://lodash.com/>
+ * lodash 4.4.2 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
  * Copyright jQuery Foundation and other contributors <https://jquery.org/>
  * Released under MIT license <https://lodash.com/license>
@@ -61,6 +61,19 @@ function baseSortBy(array, comparer) {
   return array;
 }
 
+/**
+ * The base implementation of `_.unary` without support for storing wrapper metadata.
+ *
+ * @private
+ * @param {Function} func The function to cap arguments for.
+ * @returns {Function} Returns the new function.
+ */
+function baseUnary(func) {
+  return function(value) {
+    return func(value);
+  };
+}
+
 /**
  * Compares values to sort them in ascending order.
  *
@@ -187,7 +200,7 @@ function baseMap(collection, iteratee) {
  */
 function baseOrderBy(collection, iteratees, orders) {
   var index = -1;
-  iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseIteratee);
+  iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(baseIteratee));
 
   var result = baseMap(collection, function(value, key, collection) {
     var criteria = arrayMap(iteratees, function(iteratee) {
@@ -227,6 +240,18 @@ function baseProperty(key) {
  */
 var getLength = baseProperty('length');
 
+/**
+ * Checks if `value` is a flattenable array and not a `_.matchesProperty`
+ * iteratee shorthand.
+ *
+ * @private
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+ */
+function isFlattenableIteratee(value) {
+  return isArray(value) && !(value.length == 2 && !isFunction(value[0]));
+}
+
 /**
  * Checks if the given arguments are from an iteratee call.
  *
@@ -295,7 +320,11 @@ var sortBy = rest(function(collection, iteratees) {
   } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
     iteratees = [iteratees[0]];
   }
-  return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+  iteratees = (iteratees.length == 1 && isArray(iteratees[0]))
+    ? iteratees[0]
+    : baseFlatten(iteratees, 1, isFlattenableIteratee);
+
+  return baseOrderBy(collection, iteratees, []);
 });
 
 /**
@@ -334,6 +363,33 @@ function eq(value, other) {
   return value === other || (value !== value && other !== other);
 }
 
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @type {Function}
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified,
+ *  else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
+ */
+var isArray = Array.isArray;
+
 /**
  * Checks if `value` is array-like. A value is considered array-like if it's
  * not a function and has a `value.length` that's an integer greater than or
diff --git a/lodash.sortby/package.json b/lodash.sortby/package.json
index 90db7a808..8cde54e18 100644
--- a/lodash.sortby/package.json
+++ b/lodash.sortby/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.sortby",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.sortBy` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.split/README.md b/lodash.split/README.md
index a406cbfa3..86d04cb00 100644
--- a/lodash.split/README.md
+++ b/lodash.split/README.md
@@ -1,4 +1,4 @@
-# lodash.split v4.4.1
+# lodash.split v4.4.2
 
 The [lodash](https://lodash.com/) method `_.split` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var split = require('lodash.split');
 ```
 
-See the [documentation](https://lodash.com/docs#split) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.split) for more details.
+See the [documentation](https://lodash.com/docs#split) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.split) for more details.
diff --git a/lodash.split/index.js b/lodash.split/index.js
index b27d2cd04..2ce9a9220 100644
--- a/lodash.split/index.js
+++ b/lodash.split/index.js
@@ -47,10 +47,10 @@ var reOptMod = rsModifier + '?',
     rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
 
 /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
-var reComplexSymbol = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
 
 /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
-var reHasComplexSymbol = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
+var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
 
 /** Detect free variable `global` from Node.js. */
 var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
@@ -84,16 +84,14 @@ var nodeUtil = (function() {
 var nodeIsRegExp = nodeUtil && nodeUtil.isRegExp;
 
 /**
- * The base implementation of `_.property` without support for deep paths.
+ * Converts an ASCII `string` to an array.
  *
  * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new accessor function.
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
  */
-function baseProperty(key) {
-  return function(object) {
-    return object == null ? undefined : object[key];
-  };
+function asciiToArray(string) {
+  return string.split('');
 }
 
 /**
@@ -109,6 +107,17 @@ function baseUnary(func) {
   };
 }
 
+/**
+ * Checks if `string` contains Unicode symbols.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+ */
+function hasUnicode(string) {
+  return reHasUnicode.test(string);
+}
+
 /**
  * Converts `string` to an array.
  *
@@ -117,16 +126,28 @@ function baseUnary(func) {
  * @returns {Array} Returns the converted array.
  */
 function stringToArray(string) {
-  return string.match(reComplexSymbol);
+  return hasUnicode(string)
+    ? unicodeToArray(string)
+    : asciiToArray(string);
+}
+
+/**
+ * Converts a Unicode `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function unicodeToArray(string) {
+  return string.match(reUnicode) || [];
 }
 
 /** Used for built-in method references. */
-var objectProto = Object.prototype,
-    stringProto = String.prototype;
+var objectProto = Object.prototype;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -134,9 +155,6 @@ var objectToString = objectProto.toString;
 /** Built-in value references. */
 var Symbol = root.Symbol;
 
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeSplit = stringProto.split;
-
 /** Used to convert symbols to primitives and strings. */
 var symbolProto = Symbol ? Symbol.prototype : undefined,
     symbolToString = symbolProto ? symbolProto.toString : undefined;
@@ -217,19 +235,6 @@ function castSlice(array, start, end) {
   return (!start && end >= length) ? array : baseSlice(array, start, end);
 }
 
-/**
- * Gets the "length" property value of `object`.
- *
- * **Note:** This function is used to avoid a
- * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects
- * Safari on at least iOS 8.1-8.3 ARM64.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {*} Returns the "length" value.
- */
-var getLength = baseProperty('length');
-
 /**
  * Checks if `value` is a valid array-like index.
  *
@@ -271,7 +276,7 @@ function isIterateeCall(value, index, object) {
 
 /**
  * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  * comparison between two values to determine if they are equivalent.
  *
  * @static
@@ -331,7 +336,7 @@ function eq(value, other) {
  * // => false
  */
 function isArrayLike(value) {
-  return value != null && isLength(getLength(value)) && !isFunction(value);
+  return value != null && isLength(value.length) && !isFunction(value);
 }
 
 /**
@@ -353,8 +358,7 @@ function isArrayLike(value) {
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
@@ -362,16 +366,15 @@ function isFunction(value) {
 /**
  * Checks if `value` is a valid array-like length.
  *
- * **Note:** This function is loosely based on
- * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
+ * **Note:** This method is loosely based on
+ * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
  *
  * @static
  * @memberOf _
  * @since 4.0.0
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length,
- *  else `false`.
+ * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
  * @example
  *
  * _.isLength(3);
@@ -393,7 +396,7 @@ function isLength(value) {
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
@@ -548,11 +551,11 @@ function split(string, separator, limit) {
         (separator != null && !isRegExp(separator))
       )) {
     separator = baseToString(separator);
-    if (separator == '' && reHasComplexSymbol.test(string)) {
+    if (!separator && hasUnicode(string)) {
       return castSlice(stringToArray(string), 0, limit);
     }
   }
-  return nativeSplit.call(string, separator, limit);
+  return string.split(separator, limit);
 }
 
 module.exports = split;
diff --git a/lodash.split/package.json b/lodash.split/package.json
index d0418b754..151fa5bd9 100644
--- a/lodash.split/package.json
+++ b/lodash.split/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.split",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.split` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.truncate/README.md b/lodash.truncate/README.md
index a5ac2ab7e..a2936e9af 100644
--- a/lodash.truncate/README.md
+++ b/lodash.truncate/README.md
@@ -1,4 +1,4 @@
-# lodash.truncate v4.4.1
+# lodash.truncate v4.4.2
 
 The [lodash](https://lodash.com/) method `_.truncate` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var truncate = require('lodash.truncate');
 ```
 
-See the [documentation](https://lodash.com/docs#truncate) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.truncate) for more details.
+See the [documentation](https://lodash.com/docs#truncate) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.truncate) for more details.
diff --git a/lodash.truncate/index.js b/lodash.truncate/index.js
index 806996225..4f5449ecc 100644
--- a/lodash.truncate/index.js
+++ b/lodash.truncate/index.js
@@ -17,9 +17,7 @@ var INFINITY = 1 / 0,
     NAN = 0 / 0;
 
 /** `Object#toString` result references. */
-var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    regexpTag = '[object RegExp]',
+var regexpTag = '[object RegExp]',
     symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
@@ -61,10 +59,10 @@ var reOptMod = rsModifier + '?',
     rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
 
 /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
-var reComplexSymbol = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
 
 /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
-var reHasComplexSymbol = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
+var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
 
 /** Built-in method references without a dependency on `root`. */
 var freeParseInt = parseInt;
@@ -100,6 +98,39 @@ var nodeUtil = (function() {
 /* Node.js helper references. */
 var nodeIsRegExp = nodeUtil && nodeUtil.isRegExp;
 
+/**
+ * Gets the size of an ASCII `string`.
+ *
+ * @private
+ * @param {string} string The string inspect.
+ * @returns {number} Returns the string size.
+ */
+var asciiSize = baseProperty('length');
+
+/**
+ * Converts an ASCII `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function asciiToArray(string) {
+  return string.split('');
+}
+
+/**
+ * The base implementation of `_.property` without support for deep paths.
+ *
+ * @private
+ * @param {string} key The key of the property to get.
+ * @returns {Function} Returns the new accessor function.
+ */
+function baseProperty(key) {
+  return function(object) {
+    return object == null ? undefined : object[key];
+  };
+}
+
 /**
  * The base implementation of `_.unary` without support for storing metadata.
  *
@@ -113,6 +144,17 @@ function baseUnary(func) {
   };
 }
 
+/**
+ * Checks if `string` contains Unicode symbols.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+ */
+function hasUnicode(string) {
+  return reHasUnicode.test(string);
+}
+
 /**
  * Gets the number of symbols in `string`.
  *
@@ -121,14 +163,9 @@ function baseUnary(func) {
  * @returns {number} Returns the string size.
  */
 function stringSize(string) {
-  if (!(string && reHasComplexSymbol.test(string))) {
-    return string.length;
-  }
-  var result = reComplexSymbol.lastIndex = 0;
-  while (reComplexSymbol.test(string)) {
-    result++;
-  }
-  return result;
+  return hasUnicode(string)
+    ? unicodeSize(string)
+    : asciiSize(string);
 }
 
 /**
@@ -139,7 +176,35 @@ function stringSize(string) {
  * @returns {Array} Returns the converted array.
  */
 function stringToArray(string) {
-  return string.match(reComplexSymbol);
+  return hasUnicode(string)
+    ? unicodeToArray(string)
+    : asciiToArray(string);
+}
+
+/**
+ * Gets the size of a Unicode `string`.
+ *
+ * @private
+ * @param {string} string The string inspect.
+ * @returns {number} Returns the string size.
+ */
+function unicodeSize(string) {
+  var result = reUnicode.lastIndex = 0;
+  while (reUnicode.test(string)) {
+    result++;
+  }
+  return result;
+}
+
+/**
+ * Converts a Unicode `string` to an array.
+ *
+ * @private
+ * @param {string} string The string to convert.
+ * @returns {Array} Returns the converted array.
+ */
+function unicodeToArray(string) {
+  return string.match(reUnicode) || [];
 }
 
 /** Used for built-in method references. */
@@ -147,7 +212,7 @@ var objectProto = Object.prototype;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -235,34 +300,9 @@ function castSlice(array, start, end) {
   return (!start && end >= length) ? array : baseSlice(array, start, end);
 }
 
-/**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a function, else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
-function isFunction(value) {
-  // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
-  var tag = isObject(value) ? objectToString.call(value) : '';
-  return tag == funcTag || tag == genTag;
-}
-
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
@@ -398,7 +438,7 @@ function toFinite(value) {
  * Converts `value` to an integer.
  *
  * **Note:** This method is loosely based on
- * [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
+ * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
  *
  * @static
  * @memberOf _
@@ -458,7 +498,7 @@ function toNumber(value) {
     return NAN;
   }
   if (isObject(value)) {
-    var other = isFunction(value.valueOf) ? value.valueOf() : value;
+    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
     value = isObject(other) ? (other + '') : other;
   }
   if (typeof value != 'string') {
@@ -545,7 +585,7 @@ function truncate(string, options) {
   string = toString(string);
 
   var strLength = string.length;
-  if (reHasComplexSymbol.test(string)) {
+  if (hasUnicode(string)) {
     var strSymbols = stringToArray(string);
     strLength = strSymbols.length;
   }
diff --git a/lodash.truncate/package.json b/lodash.truncate/package.json
index 0aca88280..2e2bd5313 100644
--- a/lodash.truncate/package.json
+++ b/lodash.truncate/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.truncate",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.truncate` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.zipobjectdeep/README.md b/lodash.zipobjectdeep/README.md
index b6e31aeef..e2131f5e5 100644
--- a/lodash.zipobjectdeep/README.md
+++ b/lodash.zipobjectdeep/README.md
@@ -1,4 +1,4 @@
-# lodash.zipobjectdeep v4.4.1
+# lodash.zipobjectdeep v4.4.2
 
 The [lodash](https://lodash.com/) method `_.zipObjectDeep` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var zipObjectDeep = require('lodash.zipobjectdeep');
 ```
 
-See the [documentation](https://lodash.com/docs#zipObjectDeep) or [package source](https://github.com/lodash/lodash/blob/4.4.1-npm-packages/lodash.zipobjectdeep) for more details.
+See the [documentation](https://lodash.com/docs#zipObjectDeep) or [package source](https://github.com/lodash/lodash/blob/4.4.2-npm-packages/lodash.zipobjectdeep) for more details.
diff --git a/lodash.zipobjectdeep/index.js b/lodash.zipobjectdeep/index.js
index 38e13dda4..7b660b174 100644
--- a/lodash.zipobjectdeep/index.js
+++ b/lodash.zipobjectdeep/index.js
@@ -30,7 +30,7 @@ var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
 
 /**
  * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
+ * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
  */
 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
 
@@ -85,6 +85,7 @@ function isHostObject(value) {
 
 /** Used for built-in method references. */
 var arrayProto = Array.prototype,
+    funcProto = Function.prototype,
     objectProto = Object.prototype;
 
 /** Used to detect overreaching core-js shims. */
@@ -97,14 +98,14 @@ var maskSrcKey = (function() {
 }());
 
 /** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
+var funcToString = funcProto.toString;
 
 /** Used to check objects for own properties. */
 var hasOwnProperty = objectProto.hasOwnProperty;
 
 /**
  * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
  * of values.
  */
 var objectToString = objectProto.toString;
@@ -433,7 +434,7 @@ MapCache.prototype.set = mapCacheSet;
 
 /**
  * Assigns `value` to `key` of `object` if the existing value is not equivalent
- * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+ * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  * for equality comparisons.
  *
  * @private
@@ -453,7 +454,7 @@ function assignValue(object, key, value) {
  * Gets the index at which the `key` is found in `array` of key-value pairs.
  *
  * @private
- * @param {Array} array The array to search.
+ * @param {Array} array The array to inspect.
  * @param {*} key The key to search for.
  * @returns {number} Returns the index of the matched value, else `-1`.
  */
@@ -487,13 +488,16 @@ function baseIsNative(value) {
  * The base implementation of `_.set`.
  *
  * @private
- * @param {Object} object The object to query.
+ * @param {Object} object The object to modify.
  * @param {Array|string} path The path of the property to set.
  * @param {*} value The value to set.
  * @param {Function} [customizer] The function to customize path creation.
  * @returns {Object} Returns `object`.
  */
 function baseSet(object, path, value, customizer) {
+  if (!isObject(object)) {
+    return object;
+  }
   path = isKey(path, object) ? [path] : castPath(path);
 
   var index = -1,
@@ -502,20 +506,19 @@ function baseSet(object, path, value, customizer) {
       nested = object;
 
   while (nested != null && ++index < length) {
-    var key = toKey(path[index]);
-    if (isObject(nested)) {
-      var newValue = value;
-      if (index != lastIndex) {
-        var objValue = nested[key];
-        newValue = customizer ? customizer(objValue, key, nested) : undefined;
-        if (newValue === undefined) {
-          newValue = objValue == null
-            ? (isIndex(path[index + 1]) ? [] : {})
-            : objValue;
-        }
+    var key = toKey(path[index]),
+        newValue = value;
+
+    if (index != lastIndex) {
+      var objValue = nested[key];
+      newValue = customizer ? customizer(objValue, key, nested) : undefined;
+      if (newValue === undefined) {
+        newValue = isObject(objValue)
+          ? objValue
+          : (isIndex(path[index + 1]) ? [] : {});
       }
-      assignValue(nested, key, newValue);
     }
+    assignValue(nested, key, newValue);
     nested = nested[key];
   }
   return object;
@@ -746,7 +749,7 @@ function zipObjectDeep(props, values) {
  * **Note:** The cache is exposed as the `cache` property on the memoized
  * function. Its creation may be customized by replacing the `_.memoize.Cache`
  * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
+ * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
  * method interface of `delete`, `get`, `has`, and `set`.
  *
  * @static
@@ -805,7 +808,7 @@ memoize.Cache = MapCache;
 
 /**
  * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
+ * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
  * comparison between two values to determine if they are equivalent.
  *
  * @static
@@ -883,15 +886,14 @@ var isArray = Array.isArray;
  */
 function isFunction(value) {
   // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
+  // in Safari 8-9 which returns 'object' for typed array and other constructors.
   var tag = isObject(value) ? objectToString.call(value) : '';
   return tag == funcTag || tag == genTag;
 }
 
 /**
  * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
+ * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
  * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
  *
  * @static
diff --git a/lodash.zipobjectdeep/package.json b/lodash.zipobjectdeep/package.json
index b71f3251d..3877850b3 100644
--- a/lodash.zipobjectdeep/package.json
+++ b/lodash.zipobjectdeep/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.zipobjectdeep",
-  "version": "4.4.1",
+  "version": "4.4.2",
   "description": "The lodash method `_.zipObjectDeep` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",