paperless-ngx upgrade
For upgrading bare metal I was successful with:
stop paperless services cp -r /opt/paperless /opt/paperless.bak unpack new paperless-ng archive to /opt/paperless do all python magic: sudo -Hu paperless pip3 install --upgrade pip sudo -Hu paperless pip3 install --upgrade -r requirements.txt copy or adapt paperless.conf from .bak dir migrate database: sudo -Hu paperless python3 manage.py migrate start paperless services