A new Steam client has been released and will be automatically downloaded.
General-  Fix Steam service vulnerability that allowed appending data to system-owned files
 
-  Remove Steam service log message being written to Windows event log on service startup
 
-  Enable search for localized game names in the Steam library
 
-  The text entry area in the chat window now expands if you are typing long messages
 
Windows-  Fix privilege escalation vulnerability in Steam client service
 
Steam Input-  Fix Steam Controller trackpad rotation slider not saving out values properly
 
Big Picture-  Fix friend in-game notifications not obeying the user’s notification visibility settings