In game text chat broken

It is impossible because such a major feature being broken would have been caught in Labs or something before the holiday

same

I'm going to try that in a few minutes.  I'll let you know if it fixes it, even temporarily.

same

Same. Broke since winter offensive, hot patch didnt fix it.

same.  i run full screen mode here.   I can pull up chat, but not able to type at all.

Last night i put an old saveprofile back in config directory and relaunched and it worked, but today it is broke again.