readme update

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=ravan
 Tags: sitemap, xml sitemap, news sitemap, sitemap.xml, robots.txt, Google, Google News, Yahoo, Bing, , Yandex, Baidu, seo, feed, Polylang, WPML, image sitemap
 Requires at least: 3.2
 Tested up to: 4.5
-Stable tag: 4.7.1
+Stable tag: 4.7.3
 
 XML and Google News Sitemaps to feed the hungry spiders. Multisite, WP Super Cache, Polylang and WPML compatible.
 
@@ -294,14 +294,16 @@ Thanks for sharing your translation :)
 
 == Upgrade Notice ==
 
-= 4.7.2 =
-WPML and PHP 5.3 compatibility. Strict warning fix.
+= 4.7.3 =
+Improved Polylang and WPML compatibility. Various bug fixes.
 
 == Changelog ==
 
-= 4.7.2 =
-* Fix "Only variables should be passed by reference" strict warning
-* PHP 5.3 compatibility fix
+= 4.7.3 =
+* NEW: xmlsf_excluded filter
+* IMPROVEMENT: Polylang and WPML compatibility issues
+* FIX: "Only variables should be passed by reference" strict warning
+* FIX: PHP 5.3 compatibility
 
 = 4.7 =
 * WPML compatibility