Macos Big Sur 11.5.1 (20g80) May 2026

While 11.5.1 was security-focused, it carries over the bug fixes introduced in 11.5 (20G71), including:

: Updated the Library tab to allow users to see all shows or only followed shows. macOS Big Sur 11.5.1 (20G80)

: An application could potentially execute arbitrary code with kernel privileges. While 11

: Fixed an issue where the play count or last played date might not update in the library. While 11.5.1 was security-focused

: Apple stated they were aware of reports that this issue may have been actively exploited in the wild.

: This was a "surprise" security patch released just five days after version 11.5.