Fast RMX (Switch) patch notes

1.3 (13 September 2017)

First up we have six new tracks and two new cups:

• Titanium Cup
  • Tepaneca Haze
  • Chuoku Habitat
  • Ice Coast
• Iridium Cup
  • Cameron Raceway
  • Sunahara Valley
  • Scorpio Mine

Here are some more improvements which we can expect to see also:

• The CPU-driver AI has been improved.
• A hang on the loading screen that happened when your Switch wasn't powered down for a month has been resolved.
• Friend Online plays are now shown in yours.
• Switch console 'Friend Activity log'.

Source: NintendoLife

1.2 (19 April 2017)

• Time Attack mode.
• Online arena support.

Source: Twitter post