Plasma 6.2/6.3 on Neon: Unnecessary Desktop Scrollbar?

A scrollbar has appeared on the right side of my desktop when it seems like there should not be one. It seems to be related to my panels. I have two bottom panels on opposite sides of the screen from eachother. They are side by side, not stacked.
Screenshot_20250215_001256
When I remove one panel it goes away & I have a normal desktop, but after adding a second panel a scrollbar appears & makes the desktop scrollable despite the workspace in the middle still being the same size. It also causes a pretty tall section of the bottom of the screen to be unable to hold a desktop icon.


This icon is in the same place as before adding another bar, but is cut in half by the “icon exclusion zone” here.


And disappears entirely if I scroll up.


While dragging the icon (disappears in screenshot) to a new spot near the bottom of the screen, the cursor turns into a “no” symbol and the icon is returned to its previous position if dropped. Also, if all icons have been dragged & dropped into new places above the “exclusion zone” the scrollbar disappears, but I still can’t place icons on this ~100px tall region at the bottom of the screen. It’s like the workspace has been cropped smaller, & is now 1820 by 1080 instead of the 1920 by 1080 it should be.

I’m in Plasma 6.3 with Wayland, but I think this was also happening in Plasma 6.2. I made this second panel about the same time as the update so I’m unsure what version it started. Is this a known bug? Is there a way I can reclaim the bottom portion of my workspace & get rid of the scrollbar that does not involve removing my second bottom panel?
I’ve only found one post mentioning anything similar.

It seems like your desktop is being set to overscan (screen resolution is larger than the display resolution). I would dig into the display driver settings, and the desktop effects section in Ksettings and see if something there is causing the issue.

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No overscan, it’s at 0%. The display is also the same resolution as my output & the issue goes away when removing one of the bottom panels. The area I can’t drop icons on seems to be the height of two panels stacked vertically (even though they’re actually arranged horizontally from eachother), pushing the rest of the desktop upwards, which creates a dead zone & a scrollbar. Nothing in my desktop effects seems to be the issue either, everything points to the panels’ “hitboxes” being stacked on eachother even if they’re visually in different locations.