Your system information

• Steam client version (build number or date): 1738026274
• Distribution (e.g. Ubuntu): Arch (KDE Plasma 6.3.1)
• Opted into Steam client beta?: No
• Have you checked for system updates?: Yes
• Steam Logs: https://files.catbox.moe/6vvrc9.gz
• GPU: AMD 780M (from a 7840U)

Please describe your issue in as much detail as possible:

Whenever I drag my window to change its size, it'll lag behind, leaving either an empty black space when dragging the window to be larger, or cropping into the window contents without resizing them when dragging the window to be smaller. This happens regardless of what size or corner is being dragged with. Here's a video for demonstration purposes: https://files.catbox.moe/855it7.mp4

Steps for reproducing this issue:

1. Open Steam
2. Drag window