My Suggestions

[zencijohnny]

Please stop updating the game version my pc has bad specs and most of the performance mods doesn't support 1.21.11 yet. Also the client should be optimized.

[kawaiinekololis]

No, we will not stop updating LiquidBounce to newer Minecraft versions, just because your computer cannot keep up?

This might help improving FPS: https://liquidbounce.net/docs/tutorials/fixing-fps