The best thing I've done in a long time is to just show active apps on macOS Dock and remove the delay when it's hidden and no animation or delay.

Screenshot from “The best thing I’ve done in a long time is to just show active apps on macOS Dock and remove the delay when it’s hidden and no animation or delay.”

defaults write com.apple.dock autohide-delay -float 0 &&
defaults write com.apple.dock autohide-time-modifier -float 0.4 &&
defaults write com.apple.dock static-only -bool true &&
killall Dock