Miniforge installation FutureWarning

I'm trying to following the instructions on installing Miniforge on my MacOS and have encountered some issues.

1. When I run `conda env create -f ~/Downloads/carpentries_environment.yml`, it gives a "FutureWarning: `remote_definition` is deprecated and will be removed in 25.9. Use `conda env create --file=URL` instead." It seems to work when I change the command to `conda env create --file=carpentries_environment.yml` as the warning message suggested.

1. As already been reported in #869. I was also not asked to prepend Miniforge to the PATH, instead, it asks if I want to "update your shell profile to automatically initialize conda". I typed yes and got to continue, but it's not clear to me whether this is needed or recommended. Thanks.

MacOS: 26.0.1