Almost unnoticed amid the driver transfer news, concerns over the weather, and ultimately a dark day for Formula 1 on Sunday, Suzuka was the venue for teams to introduce their late-season technical upgrades.
Even with the constructors' championship all-but won, and only a tiny chance of Daniel Ricciardo getting involved in the fight between Nico Rosberg and Lewis Hamilton, Mercedes still went to Japan with a far-reaching aero update.
It introduced new sidepods, floor and other small aero detail changes.