conda update issues

[ForgottenProgramme]

Checklist

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

Summary

This epic attempts to collect all conda update related issues in one place.

Linked Issues & PRs

Unable to update conda

• conda update returns bizarre results #13519
• unable to update conda from 23.3.1 to 23.7.2 on MacOS #12964
• InvalidArchiveError when trying to update conda #12898
• Unable to update from 23.3.1 to 23.5.0, it said  #12832
• The conda update update tries to reinstall pip-installed packages #12828
• Improve error reporting when solver plugin option cannot be found #12868
• Conda update conda does not work #13608

conda updates successfully, but leads to other issues

• Multi-user conda installation stops working after running conda update #12983
• Latest Conda update creates SSL error #12967
• Conda removed everything related to Anaconda #12801
• After updating conda: cannot install anything (ImportError: libffi.so.6) #12729
• Conda throws exceptions after updating to 23.1.0  #12342
• After running "upgrade conda", no conda commands work any more due to libffi #9899

too many packages installed in base

• Conda update conda does not work #12759

Documentation

• Provide docs/recommendations for updating both conda and Python #12456

multi-user conda

• An error occurred while updating anaconda: conda.core.link:_execute(699) #11618

Others

• conda update --all is not idempotent conda-libmamba-solver#445
• error libmamba Selected channel specific (or force-reinstall) job, but package is not available from channel. Solve job will fail. #12229 (This should be closed, I think)
• conda 22.9.0 breaks bash command prompt #11885 (should be reopened)