1.21.6 Fog Decreases FPS Hugely

Hello, Mojang before 1.21.6 I had a Hardcore world which ran fine around 144 FPS however now with the new atmospheric fog I get sub 60 FPS sometimes and my Laptop isn't even that bad, please give us on option to disable this or to use the pre 1.21.6 fog because this "New Atmospheric Fog" also isn't visually appealing currently I have to have a mod downloaded which changes this but there seems to be a weird light blue line in the Overworld and isn't exactly the same as it was before 1.21.6

Thank you for reading