Macos Big Sur 11.5.1 (20g80) [VERIFIED]
: Addresses a serious vulnerability in the IOMobileFrameBuffer .
: Fixed an issue where the play count or last played date might not update in the library. macOS Big Sur 11.5.1 (20G80)
While 11.5.1 was security-focused, it carries over the bug fixes introduced in 11.5 (20G71), including: macOS Big Sur 11.5.1 (20G80)