Some kanji characters are obscured.

Since the second half of last season's split, parts of my name have been obscured and cannot be used.
I thought that this would definitely be fixed this season, but it still hasn't been fixed.

I can't enter it into chat, and just checking shows that it's not just this one character, but quite a few other kanji characters cannot be used.
This is probably due to the change in servers, so I would appreciate it if it can be done about it.