: Users typically install this by going to System Preferences > Software Update .
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)
: Addresses a serious vulnerability in the IOMobileFrameBuffer . : Users typically install this by going to
: Available for all Macs compatible with Big Sur, including MacBook (2015+), MacBook Air (2013+), and iMac (2014+). including MacBook (2015+)
: Despite being a single-patch update, the download size was approximately 2.2 GB for Intel Macs and over 3.1 GB for M1 Macs . Improvements from the 11.5 Branch
: Fixed an issue where the play count or last played date might not update in the library.