Graco upgrade car seat?

Hi all - we have the same car seat and stroller combo since our LO was born. It’s part of their (Graco) “click connect” system. He’s now almost 4 months and he’s quite tall. We’ve had to readjust the car seat multiple times but he still doesn’t look comfortable in there-

Has anyone moved their LO to the stroller without car seat yet?

And has anyone updated their car seat? If so, anyone know if there’s a good update that works w the click connect base? Thanks for the advice!!