Selfupdate
With carapace --selfupdate specific nightly or stable releases can be installed.
Executable is installed to the GOBIN directory, essentially shadowing any system installation.
export PATH="$HOME/.local/bin:$HOME/go/bin:$PATH"
# │ │ └system installation (e.g. /usr/bin/carapace)
# │ └selfupdate/go based installation ($GOBIN)
# └user binaries