Using Ubuntu 24.04 LTS? It adds an info bar to the Power panel when turning auto-suspend off that reads:“Disabling automatic suspend will result in higher power consumption. OEMs sell laptops with Ubuntu 24.04 LTS preinstalled which is the warnings are being added (and why the patches were tracked as a bug in Canonical’s OEM Priority Project). If you never disable automatic suspend (or visit the Power panel) you won’t ever see a warning. Although back-ported from Ubuntu 25.04 with GNOME 48, Ubuntu’s developers needed to tweak the warnings to work with GNOME 46’s single-page Power panel (GNOME 48 splits its Power settings across two pages).