Just installed 25.3.1 and got this.
For a while I'm getting black background around the icon tiles by mouseover either on boot or sometime after.

AMD Ryzen 5 5600X, Corsair 32GB DDR4-3200, Gigabyte B550 GamingX v2, ASUS TUF Gaming RX6800 16GB, Corsair RM750i, 2TB Samsung 970Evo Plus NVMe PCIe x3, 512GB Corsair MP600 Force NVMe PCIe x4, 2TB Seagate Barracuda SATA-III, ASUS BW-16D1HT BD-ROM Writer