How to upgrade Odoo to new major version¶

Install the scripts

apt install odoo-oca-openupgrade

Run the command

odoo -u all --addons-path="/usr/share/odoo-oca,/usr/lib/python3/dist-packages/odoo/addons" --upgrade-path=/usr/share/odoo-oca/openupgrade_scripts/scripts/ -d iabsis --stop-after-init --load=web,openupgrade_framework