#15148·conda

conda reverting to default platform

Author: izabelstohelCreated Sep 2, 2025Updated Sep 19, 2026
Labelstype::bugsource::communitypending::feedbackstale

Checklist

  • I added a descriptive title
  • I searched open reports and couldn't find a duplicate

What happened?

I am experiencing the same issue as noted in:#14949 however, unlike this issue, I am finding this problem in conda version 25.7.0 and when using the conda create command. I am on a M2 Mac and trying to set the platform of my environment to osx-64.

Conda Info

bash
active environment : antismashmaybe
    active env location : /Users/User/miniforge3/envs/antismashmaybe
            shell level : 2
       user config file : /Users/User/.condarc
 populated config files : /Users/User/miniforge3/.condarc
                          /Users/User/.condarc
                          /Users/User/miniforge3/envs/antismashmaybe/.condarc
          conda version : 25.7.0
    conda-build version : not installed
         python version : 3.12.11.final.0
                 solver : libmamba (default)
       virtual packages : __archspec=1=m2
                          __conda=25.7.0=0
                          __osx=15.6=0
                          __unix=0=0
       base environment : /Users/User/miniforge3  (writable)
      conda av data dir : /Users/User/miniforge3/etc/conda
  conda av metadata url : None
           channel URLs : https://conda.anaconda.org/bioconda/osx-arm64
                          https://conda.anaconda.org/bioconda/noarch
                          https://conda.anaconda.org/conda-forge/osx-arm64
                          https://conda.anaconda.org/conda-forge/noarch
          package cache : /Users/User/miniforge3/pkgs
                          /Users/User/.conda/pkgs
       envs directories : /Users/User/miniforge3/envs
                          /Users/User/.conda/envs
               platform : osx-arm64
             user-agent : conda/25.7.0 requests/2.32.4 CPython/3.12.11 Darwin/24.6.0 OSX/15.6 solver/libmamba conda-libmamba-solver/25.3.0 libmambapy/2.1.1
                UID:GID : 501:20
             netrc file : None
           offline mode : False

Conda Config

bash
==> /Users/User/miniforge3/.condarc <==
channels:
  - conda-forge

==> /Users/User/.condarc <==
default_python: 3.10
channel_priority: flexible
channels:
  - bioconda
  - conda-forge

==> /Users/User/miniforge3/envs/antismashmaybe/.condarc <==
subdir: osx-64

==> envvars <==
subdir:

Conda list

bash
packages in environment at /Users/User/miniforge3/envs/antismashmaybe:
#
# Name                     Version          Build            Channel
(antismashmaybe) User@Users-laptop ~ %

Additional Context

No response