There are reports of some iPhone X units displaying a bright green line vertically down the screen, with some suspecting this could be a hardware fault. 
Some users have also reported buzzing and crackling from the earpiece speaker when playing loud audio.
Apple have said they are aware of some iPhone X units that become temporarily unresponsive to touch after a rapid change to a cold environment.
Apple is $100 Billion away from becoming the world’s only trillion dollar company. Apple shares are currently trading for around $175, giving the iPhone maker a market cap of roughly $900 billion. The valuation puts Apple within $100 billion of becoming the world's only trillion dollar company. 
Apple have released iOS 11.1.1, which fixes a bug that caused the letter “i” to auto correct to “A [?]”
Apple Pay Cash has released in beta form in iOS 11.2 beta. Apple Pay Cash is limited to the USA for now.