New Commands and Laggy Update!

Hi, I'm a 7 years Minecraft player and there's a one update I hated since the Wild update released and that's is the command, I hate they changed and I cannot run the previous command again so pls in the another update make sure the commands are the same like 1.16 I don't want the new Commands that in 1.19 pls remove it, I want the old one commands and also its became more laggier since the 1.19 released, pls this is my request!