## TL;DR

Install the python-is-python3 package (on Debian/Ubuntu: sudo apt install python-is-python3) so that python resolves to python3. This is a workaround for the upgrade regression; track the issue for the proper fix.

## Steps

1. Install the python-is-python3 package (on Debian/Ubuntu: sudo apt install python-is-python3) so that python resolves to python3. Without it, Salt 3007.0 internal python invocations misbehave and non-root users lose access to the publisher IPC. Verify with salt test.ping as the non-root user afterwards. This is a workaround for the upgrade regression; track the issue for the proper fix.

## When to use

You are seeing this: Without it, Salt 3007.0 internal python invocations misbehave and non-root users lose access to the publisher IPC. Use this skill when you run into "Salt 3007.0: non-root users cannot run jobs after upgrade".

## When not to use

If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.

## Versions

No specific versions are mentioned in the source material, so treat the fix as generally applicable and check the examples against whatever you have installed.

## Why this happens

The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.