diff --git a/README.md b/README.md
index 5b6978e95..750069183 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# lodash v3.9.1
+# lodash v3.9.2
 
 The [lodash](https://lodash.com/) library exported as [npm packages](https://www.npmjs.com/browse/keyword/lodash-modularized) per method.
 
diff --git a/lodash.gt/README.md b/lodash.gt/README.md
index 74767bc15..508d83535 100644
--- a/lodash.gt/README.md
+++ b/lodash.gt/README.md
@@ -1,4 +1,4 @@
-# lodash.gt v3.9.1
+# lodash.gt v3.9.2
 
 The [lodash](https://lodash.com/) method `_.gt` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var gt = require('lodash.gt');
 ```
 
-See the [documentation](https://lodash.com/docs#gt) or [package source](https://github.com/lodash/lodash/blob/3.9.1-npm-packages/lodash.gt) for more details.
+See the [documentation](https://lodash.com/docs#gt) or [package source](https://github.com/lodash/lodash/blob/3.9.2-npm-packages/lodash.gt) for more details.
diff --git a/lodash.gt/index.js b/lodash.gt/index.js
index e5d6b1e7f..8e69a7fed 100644
--- a/lodash.gt/index.js
+++ b/lodash.gt/index.js
@@ -11,9 +11,7 @@
 var NAN = 0 / 0;
 
 /** `Object#toString` result references. */
-var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    symbolTag = '[object Symbol]';
+var symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
 var reTrim = /^\s+|\s+$/g;
@@ -35,7 +33,7 @@ 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;
@@ -95,34 +93,9 @@ function createRelationalOperation(operator) {
  */
 var gt = createRelationalOperation(baseGt);
 
-/**
- * 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
@@ -231,7 +204,7 @@ 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') {
diff --git a/lodash.gt/package.json b/lodash.gt/package.json
index 10fd2ed1c..160552f39 100644
--- a/lodash.gt/package.json
+++ b/lodash.gt/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.gt",
-  "version": "3.9.1",
+  "version": "3.9.2",
   "description": "The lodash method `_.gt` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.gte/README.md b/lodash.gte/README.md
index f10e1374b..d9ec437b4 100644
--- a/lodash.gte/README.md
+++ b/lodash.gte/README.md
@@ -1,4 +1,4 @@
-# lodash.gte v3.9.1
+# lodash.gte v3.9.2
 
 The [lodash](https://lodash.com/) method `_.gte` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var gte = require('lodash.gte');
 ```
 
-See the [documentation](https://lodash.com/docs#gte) or [package source](https://github.com/lodash/lodash/blob/3.9.1-npm-packages/lodash.gte) for more details.
+See the [documentation](https://lodash.com/docs#gte) or [package source](https://github.com/lodash/lodash/blob/3.9.2-npm-packages/lodash.gte) for more details.
diff --git a/lodash.gte/index.js b/lodash.gte/index.js
index 272be7bb3..781512eed 100644
--- a/lodash.gte/index.js
+++ b/lodash.gte/index.js
@@ -11,9 +11,7 @@
 var NAN = 0 / 0;
 
 /** `Object#toString` result references. */
-var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    symbolTag = '[object Symbol]';
+var symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
 var reTrim = /^\s+|\s+$/g;
@@ -35,7 +33,7 @@ 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;
@@ -84,34 +82,9 @@ var gte = createRelationalOperation(function(value, other) {
   return value >= other;
 });
 
-/**
- * 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
@@ -220,7 +193,7 @@ 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') {
diff --git a/lodash.gte/package.json b/lodash.gte/package.json
index 87be8b49f..733e25df1 100644
--- a/lodash.gte/package.json
+++ b/lodash.gte/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.gte",
-  "version": "3.9.1",
+  "version": "3.9.2",
   "description": "The lodash method `_.gte` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.lt/README.md b/lodash.lt/README.md
index 893c88ed6..15727137d 100644
--- a/lodash.lt/README.md
+++ b/lodash.lt/README.md
@@ -1,4 +1,4 @@
-# lodash.lt v3.9.1
+# lodash.lt v3.9.2
 
 The [lodash](https://lodash.com/) method `_.lt` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var lt = require('lodash.lt');
 ```
 
-See the [documentation](https://lodash.com/docs#lt) or [package source](https://github.com/lodash/lodash/blob/3.9.1-npm-packages/lodash.lt) for more details.
+See the [documentation](https://lodash.com/docs#lt) or [package source](https://github.com/lodash/lodash/blob/3.9.2-npm-packages/lodash.lt) for more details.
diff --git a/lodash.lt/index.js b/lodash.lt/index.js
index 2ad265b2d..193c860b7 100644
--- a/lodash.lt/index.js
+++ b/lodash.lt/index.js
@@ -11,9 +11,7 @@
 var NAN = 0 / 0;
 
 /** `Object#toString` result references. */
-var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    symbolTag = '[object Symbol]';
+var symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
 var reTrim = /^\s+|\s+$/g;
@@ -35,7 +33,7 @@ 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;
@@ -70,34 +68,9 @@ function createRelationalOperation(operator) {
   };
 }
 
-/**
- * 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
@@ -231,7 +204,7 @@ 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') {
diff --git a/lodash.lt/package.json b/lodash.lt/package.json
index 6178fe059..2ba6a8c3d 100644
--- a/lodash.lt/package.json
+++ b/lodash.lt/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.lt",
-  "version": "3.9.1",
+  "version": "3.9.2",
   "description": "The lodash method `_.lt` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",
diff --git a/lodash.lte/README.md b/lodash.lte/README.md
index 693309c4c..aad1fee79 100644
--- a/lodash.lte/README.md
+++ b/lodash.lte/README.md
@@ -1,4 +1,4 @@
-# lodash.lte v3.9.1
+# lodash.lte v3.9.2
 
 The [lodash](https://lodash.com/) method `_.lte` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var lte = require('lodash.lte');
 ```
 
-See the [documentation](https://lodash.com/docs#lte) or [package source](https://github.com/lodash/lodash/blob/3.9.1-npm-packages/lodash.lte) for more details.
+See the [documentation](https://lodash.com/docs#lte) or [package source](https://github.com/lodash/lodash/blob/3.9.2-npm-packages/lodash.lte) for more details.
diff --git a/lodash.lte/index.js b/lodash.lte/index.js
index ee96c8ae1..00e02991a 100644
--- a/lodash.lte/index.js
+++ b/lodash.lte/index.js
@@ -11,9 +11,7 @@
 var NAN = 0 / 0;
 
 /** `Object#toString` result references. */
-var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    symbolTag = '[object Symbol]';
+var symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
 var reTrim = /^\s+|\s+$/g;
@@ -35,7 +33,7 @@ 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;
@@ -57,34 +55,9 @@ function createRelationalOperation(operator) {
   };
 }
 
-/**
- * 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
@@ -220,7 +193,7 @@ 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') {
diff --git a/lodash.lte/package.json b/lodash.lte/package.json
index 74a23bd80..523e4afcb 100644
--- a/lodash.lte/package.json
+++ b/lodash.lte/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash.lte",
-  "version": "3.9.1",
+  "version": "3.9.2",
   "description": "The lodash method `_.lte` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",