Macos Big Sur 11.0.1 (20b50) Apr 2026

: Introduced a customizable start page, a built-in Privacy Report , and improved tab previews.

As the launch version for most Intel-based Macs, 11.0.1 introduced the most significant visual overhaul since OS X: Redesigned User Interface macOS Big Sur 11.0.1 (20B50)

: Combined notifications and widgets into a single, translucent column. : Introduced a customizable start page, a built-in

: Overhauled to use APFS instead of HFS+, making backups significantly faster. System Security System Security : While Apple did not release

: While Apple did not release a public changelog for the differences between 20B29 and 20B50, it included minor stability tweaks to the initial installer. 🎨 Major Big Sur 11.0.1 Features

: Software updates can now begin in the background, reducing the time your Mac is unusable during the restart phase. 💻 Compatibility The 11.0.1 (20B50) build was compatible with: MacBook : 2015 and later MacBook Air : 2013 and later