ArcGIS Python Package Manager won't upgrade

[JoabelBarbieri]

This never worked for me. 

When I update ArcGIS PRO to a more recent version. All my python scripts stop working.

Then I try Package Manager>Upgrade an existing environment and it ALWAYS fails for me. I have to copy all python files MANUALLY from the default  C:\Program Files\ArcGIS\Pro\bin\Python\envs\arcgispro-py3\ to my ArcPy old environment's folder like C:\ArcPY

Why?

(Esri, any plans to replace the hateful conda ems?)

[DanPatterson]

and you are following this?

Upgrade an environment—ArcGIS Pro | Documentation

what packages are you trying to install or upgrade that aren't in the arcgispro-py3 environment?

On a side note.  I never "upgrade" since I have found it far cleaner and faster to remove all vestiges of Pro (registry, folders etc etc) and install the newer version from scratch.  Then clone or create a separate conda environment after

[JoabelBarbieri]

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@DanPatterson wrote:

and you are following this?

Upgrade an environment—ArcGIS Pro | Documentation

what packages are you trying to install or upgrade that aren't in the arcgispro-py3 environment?

On a side note.  I never "upgrade" since I have found it far cleaner and faster to remove all vestiges of Pro (registry, folders etc etc) and install the newer version from scratch.  Then clone or create a separate conda environment after

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Thanks for the link. I didn't know. 

But anyway, having to manually reinstall all the dozens of packages I have added to my env each time sucks. Should be simpler.