> Another issue, the emacs treat explicit-shell-file-name and explicit-bash-args as non-safe local variables and ask how to deal it (Y/N/! ...).
> In the previous version of tramp (about Feb), it takes these two variables as safe which I think is reasonable because user sets it in tramp-way explicitely and it is only used in tramp only.

I'll check when the first problem is solved.

Best regards, Michael.