diff --git a/Makefile b/Makefile
index 05a032bd94c4a2de0a9408e21bf47d08dcd6673c..ad5480626f766ceceb680f0c47d8e4d859077ea1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 BASE=shipping-by-rules
 PLATTFORM=woocommerce
 VENDOR=opentools
-VERSION=1.1.2
+VERSION=1.2
 DIR = $(shell pwd)
 SVNDIR=wordpress-plugin-svn
 
diff --git a/includes/rules_shipping_framework_woocommerce.php b/includes/rules_shipping_framework_woocommerce.php
index 776bc00bf5dc23dee4224d83e2b13bff8a89c95c..d168b038d5980e8288bb3d9e34d3d634810a3cb9 100644
--- a/includes/rules_shipping_framework_woocommerce.php
+++ b/includes/rules_shipping_framework_woocommerce.php
@@ -22,6 +22,7 @@ class RulesShippingFrameworkWooCommerce extends RulesShippingFramework {
 			"subcategories" => 'subcategories',
 			"products"      => 'products',
 			"skus"          => 'products',
+			"vendors"       => 'vendors',
 		));
 	}
 	static function getHelper() {
@@ -209,13 +210,59 @@ class RulesShippingFrameworkWooCommerce extends RulesShippingFramework {
 		$categories = array_unique($categories);
 		$tags = array_unique($tags);
 		$shipping_classes = array_unique($shipping_classes);
+		
 
-		return array (
+		$data = array (
 			'skus'       => $skus, 
 			'categories' => $categories,
 			'tags'       => $tags,
 			'shippingclasses' => $shipping_classes,
 		);
+		
+		// THIRD-PARTY SUPPORT
+		
+		// "WC Vendors"  support (vendors stored as post author)
+		if (class_exists("WC_Vendors")) {
+			$vendorids = array();
+			foreach ($products as $product) {
+				$vendorids[] = $product['data']->post->post_author;
+			}
+			$data['vendorids'] = array_unique($vendorids);
+			
+			$vendors = array(); // Requires "WC Vendors" or "WooThemes Product Vendors" plugin
+			$vendornames = array();
+			foreach ($data['vendorids'] as $v) {
+				$vnd = get_user_by('id', $v);  // Get user name by user id
+				$vendornames[] = $vnd->display_name;
+				$vendors[] = $vnd->user_login;
+			}
+			$data['vendornames'] = array_unique($vendornames);
+			$data['vendors'] = array_unique($vendors);
+		}
+		
+		// "WooThemes Vendor Products" support (vendors stored in its own taxonomy)
+		if (class_exists("WooCommerce_Product_Vendors") && function_exists("get_product_vendors")) {
+			$vendors = array();
+			$vendornames = array();
+			$vendorids = array();
+			// The plugin provides its own function to retrieve the vendor for a product
+			foreach ($products as $product) {
+				foreach (get_product_vendors($product['data']->id) as $vendor) {
+// $this->printWarning("<pre>vendor: ".print_r($vendor,1)."</pre>");
+					$vendors[] = $vendor->slug;
+					$vendornames[] = $vendor->title;
+					$vendorids[] = $vendor->ID;
+				}
+			}
+			$data['vendors'] = array_unique($vendors);
+			$data['vendornames'] = array_unique($vendornames);
+			$data['vendorids'] = array_unique($vendorids);
+		}
+		
+		// END THIRD-PARTY SUPPORT
+		
+		
+		return $data;
 	}
 	
 	protected function getOrderAddress ($cart, $method) {
@@ -323,6 +370,34 @@ class RulesShippingFrameworkWooCommerce extends RulesShippingFramework {
 				continue;
 			if (!empty($filter_conditions['subcategories']) && count(array_intersect($subcategories, $prodcategories))==0)
 				continue;
+			
+			if (!empty($filter_conditions['vendors'])) {
+				// Collect all vendors (ids and slug/login_name - PLUGIN-specific!)
+				// for the current product. If any of them is in the vendor conditions
+				// list, this product should not be filtered out!
+				$vnd_props = array();
+				
+				// THIRD-PARTY SUPPORT
+				// "WC Vendors"  support (vendors stored as post author)
+				if (class_exists("WC_Vendors")) {
+					$vendor = $p['data']->post->post_author;
+					$vnd = get_user_by('id', $vendor);  // Get user name by user id
+					$vnd_props[] = $vendor;
+					$vnd_props[] = $vnd->user_login;
+				}
+
+				// "WooThemes Vendor Products" support (vendors stored in its own taxonomy)
+				if (class_exists("WooCommerce_Product_Vendors") && function_exists("get_product_vendors")) {
+					foreach (get_product_vendors($p['data']->id) as $vendor) {
+						$vnd_props[] = $vendor->slug;
+					}
+				}
+				// END THIRD-PARTY SUPPORT
+
+				// Check if any of the vendor properties is matched by the conditions; If not => skip product
+				if (count(array_intersect($vnd_props, $filter_conditions['vendors']))==0)
+					continue;
+			}
 			$result[] = $p;
 		}
 		return $result;
diff --git a/readme.txt b/readme.txt
index e50625a6bf65a238f4c1c4facb66e23e68bc78b5..8fe8bdddbdc0779d7deee8c07958c606f58b008c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -2,8 +2,8 @@
 Contributors: opentools
 Tags: WooCommerce, Shipment, Shipping, Rules shipping
 Requires at least: 4.0
-Tested up to: 4.4.1
-Stable tag: 1.1.1
+Tested up to: 4.4.2
+Stable tag: 1.2
 License: GPLv3 or later
 License URI: http://www.gnu.org/licenses/gpl.html
 
@@ -69,6 +69,9 @@ Please see our support forum at http://open-tools.net/forum/. It might also be a
 
 == Changelog ==
 
+= 1.2 =
+* Add support for "WC Vendors" and for "WooThemes Product Vendors" (new variable "Vendors", new function "evaluate_for_vendors")
+
 = 1.1.1 =
 * Fix for PHP 5.3
 * Fix for evaluate_for_XXX functions (advanced version)
diff --git a/releases/opentools-woocommerce-advanced-shipping-by-rules_v1.2.zip b/releases/opentools-woocommerce-advanced-shipping-by-rules_v1.2.zip
new file mode 100644
index 0000000000000000000000000000000000000000..f423061785cdab081d1ad2f16b24e5e410a1c71d
Binary files /dev/null and b/releases/opentools-woocommerce-advanced-shipping-by-rules_v1.2.zip differ
diff --git a/releases/opentools-woocommerce-shipping-by-rules_v1.2.zip b/releases/opentools-woocommerce-shipping-by-rules_v1.2.zip
new file mode 100644
index 0000000000000000000000000000000000000000..7f3521fbd18711edca7c65e64d7ad11face9ffa7
Binary files /dev/null and b/releases/opentools-woocommerce-shipping-by-rules_v1.2.zip differ
diff --git a/woocommerce-advanced-shipping-by-rules.php b/woocommerce-advanced-shipping-by-rules.php
index ec9c55b28d82c7a014f69dce7aff312b3d9e090a..db19ad1eb39ba352daf5c21bdda3ce84b680855c 100644
--- a/woocommerce-advanced-shipping-by-rules.php
+++ b/woocommerce-advanced-shipping-by-rules.php
@@ -3,14 +3,14 @@
  * Plugin Name: WooCommerce Advanced Shipping By Rules
  * Plugin URI: http://open-tools.net/woocommerce/advanced-shipping-by-rules-for-woocommerce.html
  * Description: Define Shipping cost by very general and flexible (text-based) rules. The advanced version also provides mathematical expressions and functions
- * Version: 1.1.2
+ * Version: 1.2
  * Author: Open Tools, Reinhold Kainhofer
  * Author URI: http://open-tools.net
  * Text Domain: woocommerce-advanced-shipping-by-rules
  * Domain Path: woocommerce-shipping-by-rules
  * License: GPL2+
  * WC requires at least: 2.2
- * WC tested up to: 2.4
+ * WC tested up to: 2.5
  
 
  * Copyright (C) 2015 Reinhold Kainhofer
@@ -66,7 +66,6 @@ function otsr_addAccessCheckArg($downloadurl) {
  * Main Shipping by Rules class, add filters and handling all other files.
  *
  * @class       WooCommerce_Shipping_By_Rules_Advanced
- * @version     1.1.2
  * @author      Reinhold Kainhofer
  */
 class WooCommerce_Shipping_By_Rules_Advanced {
@@ -76,7 +75,7 @@ class WooCommerce_Shipping_By_Rules_Advanced {
 	 * @since 1.0.0
 	 * @var string $version Plugin version number.
 	 */
-	public $version = '1.1.2';
+	public $version = '1.2';
 
 
 	/**
diff --git a/woocommerce-shipping-by-rules.php b/woocommerce-shipping-by-rules.php
index baefcd5210fbac759842adcd3bb1978a270b7acb..84787834976c6065558ea4d0922b6228ccb2e26d 100644
--- a/woocommerce-shipping-by-rules.php
+++ b/woocommerce-shipping-by-rules.php
@@ -3,14 +3,14 @@
  * Plugin Name: WooCommerce Shipping By Rules
  * Plugin URI: http://open-tools.net/woocommerce/advanced-shipping-by-rules-for-woocommerce.html
  * Description: Define Shipping cost by very general and flexible (text-based) rules.
- * Version: 1.1.2
+ * Version: 1.2
  * Author: Open Tools, Reinhold Kainhofer
  * Author URI: http://open-tools.net
  * Text Domain: woocommerce-shipping-by-rules
  * Domain Path: 
  * License: GPL2+
  * WC requires at least: 2.2
- * WC tested up to: 2.4
+ * WC tested up to: 2.5
  
 
  * Copyright (C) 2015 Reinhold Kainhofer
@@ -39,7 +39,6 @@
  * Main Shipping by Rules class, add filters and handling all other files.
  *
  * @class       WooCommerce_Shipping_By_Rules
- * @version     1.1.2
  * @author      Reinhold Kainhofer
  */
 class WooCommerce_Shipping_By_Rules {
@@ -49,7 +48,7 @@ class WooCommerce_Shipping_By_Rules {
 	 * @since 1.0.0
 	 * @var string $version Plugin version number.
 	 */
-	public $version = '1.1.2';
+	public $version = '1.2';
 
 
 	/**