As of June 2026, there is no widely reported or confirmed issue specific to Debian 13 GNOME where the screen fades out due to inactivity and a new taskbar entry appears during the fade-out. Most discussions around Debian 13 and GNOME focus on screen blanking, lock screen behavior, or issues with display wake-up after inactivity—especially with NVIDIA drivers—but not on the appearance of new taskbar entries during fade-out.
If you are experiencing this behavior, it could be related to a custom GNOME extension (such as Dash to Panel or similar) or a misconfiguration in your GNOME session. Extensions can sometimes interact unexpectedly with power management or screen locking mechanisms, leading to visual artifacts like new taskbar entries appearing during transitions.
Next steps:
journalctl -f) during the fade-out to see if any errors or unusual activity are reported.Have you noticed this behavior only with a specific application or after installing a particular extension?
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