Hi,
Because someothing is not supported does not make it a bug. If it says it supports Ukrainian in both modes then it probably is, but it is more likely a missing feature. Having said that. I'm afraid that you have came to the wrong place to voice a complaint.
This discussion board is only for Developers support, not for hardware or end user application support. There are some localized product support forums and one that is monitored and where you can get attention and solutions
http://discussions.europe.nokia.com/. If you post your concerns there you may get a response from there.
But realistically if you want to make this known and have it addressed then the products support messages should be addressed at Nokia's online support sites
http://www.nokia.com/support not here in Forum Nokia.