It's probably been written about a lot of places already.

For me, increasing the number of icons in the launcher grid was very useful.

After running these three commands, the size of the Launcher will be set to 13x8 apps:

    defaults write com.apple.dock springboard-columns -int 13
    defaults write com.apple.dock springboard-rows -int 8
    defaults write com.apple.dock ResetLaunchPad -bool TRUE; killall Dock

In general, a lot of parameters of different applications can be changed via command `defaults`

https://macos-defaults.com/

To get a complete list of parameters, you can execute

    defaults read