# Fixes * [wpmlga-96] WordPress 4.4 compatibility: pulled all html headings by one (e.g. h2 -> h1, he -> h2, etc.) * [wpmlcore-2361] Fixed post meta data set to be copied to translations, not being copied when editing the original post. * [wpmlcore-2318] Fixed some UI issues caused by changes in WordPress 4.4 styles * [wpmlcore-2089] AJAX calls when using languages in domain, now calls the correct AJAX url, rather than the url of the default language. * [wpmlcore-2060] Custom fields created by Types set as do nothing are now properly duplicated when duplicating a post * [wpmlcore-1532] Introduced internationalisation API for wp_mail()