PUBG grows with our users and the great community so we have many channels to provide suggestions and feedbacks about the game.
Along with our support center here, you can also voice your opinions on our official Twitter, Forum, Facebook and other community channels.
Twitter
https://twitter.com/pubattlegrounds
Forums
https://forums.playbattlegrounds.com/
Patch Notes
http://steamcommunity.com/app/578080/allnews/