I encountered some issues (noticed others has aswell) regarding meta box titles (in admin) when using qTranslate. The brackets around the metabox titles are showing up.
This can be easily fixed if you run the metabox titles through “the_title” filter before displaying. Could you please add this to the plugin core files so we don’t have to manually set this on every update? 🙂
Example on the post form( /acf/forms/post.php), around line #180: