It will be like that the whole season https://dirtfish.com/rally/wrc/ogier-to-run-red-bull-livery-during-2026-wrc-season/
Think that livery was just for the show. They would have removed the Toyota Gazoo Racing stickers if the intention was to use that livery for the season.
I hear Ferrari has gone down the route of a steel crankcase. Even so, they are apparently revising the design of the engine to adopt the Mercedes approach. I think there is more to it than meet the...

They should've just put RB on the front and rear as the car sides now look a mess.
TOYOTA GAZOO Racing WRT