The "About" screen indicates "Wolfram 14.2"Mathematica (MMA) and the Wolfram Language (WL) used to be the one and the same. But now a user could be using WL in a web based notebook, through Wolfram Alpha, or even on SystemModeler.
The brand name “Mathematica” isn’t going anywhere, not after nearly forty years. It’s basically marketing being like “how do we communicate updates to WL as not just being updates to MMA?”.