Hello Allan,
maybe this patch that is in the "in review" process is what you are looking for?
https://review.opendev.org/c/openstack/horizon/+/948058

If yes, then the option is not there yet but hopefully will be soon.

Best regards.
Jan

On Mon, Jun 16, 2025 at 8:54 PM Winicius Allan <winiciusab12@gmail.com> wrote:
Hello folks,

Is there any option to change the default value to delete the volume when deleting the instance on Horizon? In the configuration reference[1], I only found this topic, but nothing about volume deletion

[1] https://docs.openstack.org/horizon/latest/configuration/settings.html#launch-instance-defaults

Best regards.