It’s been a while since last stable version (2.3.10) was released.
Could you make a new stable version that contains bug fixes?
For example, with zsh & daemon-mode nix, NIX_SSL_CERT_FILE is not correctly configured. The PR for fixing the issue was merged last year.
I suppose this is a severe issue, as it prevents many of nix functionalities from working correctly.
I re-installed nix today, the issue is still not fixed yet.