This story flew under the radar a bit.
During the porpoising talks, the FIA suggested that some teams have managed to cheat around the rules concerning flexible floors, by ensuring the area where the flex is checked is stiff enough, but elsewhere it isn't.
The checks will expand the area which is checked to ensure all of the floor meets the required stiffness.
A couple of teams may find their advantage cut.
the-race.com
During the porpoising talks, the FIA suggested that some teams have managed to cheat around the rules concerning flexible floors, by ensuring the area where the flex is checked is stiff enough, but elsewhere it isn't.
The checks will expand the area which is checked to ensure all of the floor meets the required stiffness.
A couple of teams may find their advantage cut.

Mercedes surprised by rival floor flexing hinted at by FIA - The Race
Toto Wolff has expressed surprise that Mercedes' rival F1 teams have apparently designed their floors to flex more than the regs intended.
