Fix for variations when an attribute has been removed

admin/writepanels/writepanel-product-type-variable.php

@@ -617,6 +617,14 @@ function process_product_meta_variable( $post_id ) {
 			update_post_meta( $variation_id, 'stock', $variable_stock[$i] );
 			update_post_meta( $variation_id, '_thumbnail_id', $upload_image_id[$i] );
 			
+			// Remove old taxnomies attributes so data is kept up to date
+			$variation_custom_fields = get_post_custom( $variation_id );
+			
+			foreach ($variation_custom_fields as $name => $value) :
+				if (!strstr($name, 'attribute_')) continue;
+				delete_post_meta( $variation_id, $name );
+			endforeach;
+		
 			// Update taxonomies
 			foreach ($attributes as $attribute) :
 							

readme.txt

@@ -68,6 +68,7 @@ For further documentation on using WooCommerce, please sign up for free at http:
 * Product dimension fields
 * Fixed archives being displayed by woocommerce_show_product_images
 * Added 'configure terms' button to attributes page to make it clearer
+* Fix for variations when an attribute has been removed
 
 = 1.0.3 - 06/10/2011 =
 * Several minor fixes/tweaks