The main switches featured are the new Tealios, which have been tweaked with wobble reduction and improved smoothness—not to mention they’re done in sleek teal,

Tealios have always been smooth since its original release. The smoother and less wobbly description you see on massdrop is from the original listing. If there are any changes in Tealios, it would only be a small spring design change. 

저도 그 설명때문에 질피시에 물어봤는데 이렇게 답장이 왔어요.

으잉; 예전 설명글 붙혀놓은거군요;;
고민고민하다가 어제 fans에서 구매했는데,
시간만 버렸네요 ㅜ