Brand new 2025 Ram 1500 Rebel X rpms all over on cold start

[spyd4r]

I have a brand new 2025 Ram 1500 Rebel X, whenever I start it up after it's been sitting it sounds like it's surging or revving up and down significantly until it warms up and the rpms come down. Is this normal?

 

[Joyride]

Not sure if it is normal, but my 2025 Rebel X does the same thing on cold start.

 

[spyd4r]

Had it in at dealer and they flashed a software update (something to do with stalling when cold? Not sure exactly?) but it seems to idle better now on a cold start.