Both ports are working beautifully for me from the most recent 11_arm64 builds, and I am currently using emacs-devel. From a standard XQuartz xterm neither emacs command opens a new window.
This is easily worked around with an alias such as alias xemacs="xterm -e emacs $*” a shell script containing xterm -e emacs $@ & However, I wonder if there is some Security configuration I need to tweak on my Apple M1 MacOS 12.2.1 with XQuartz 2.8.0_beta3? Thanks, jw