The official Windows Phone 7.5 and 8 Facebook beta app has been updated to version 18.104.22.168.
In addition to the usual big fixes, the app now supports a number of additional languages, including Polish.
The list now includes:
Arabic, German, English, English (United States), Spanish, Spanish(México, Suomi, French, Magyar, Bahasa, Indonesia, Italian, Japanese, Dutch, Polish, Portuguese, Portuguese (Brazil), Turkish, Vietnamese and more.
Find the updated app in the Windows Phone Store here.