Nvidia reportedly released 621.12 hotfix targeting video freezes and black screens on some RTX 50 GPUs and RTX Spark systems

VideoCardz reports Nvidia released optional beta hotfix 621.12 to address playback freezes and black screens on some RTX 50 GPUs and RTX Spark systems after driver 621.01. It also targets specific Unreal Engine crashes, RTX Spark display corruption with a StarTech adapter, and MSI N16 Flip flickering. HotHardware quotes Nvidia's warning that hotfixes receive abbreviated testing; VideoCardz reports the fixes are planned for a later official driver.