Apple has released a new update that could cause serious data loss.

Big Sur 11.2 to 11.2.1(20D75)

macOS Big Sur has suffered a bug as installer not check whether Mac has the required free space available to carry out an upgrade.

Big Sur — Apple introduced an operating system for Macintosh computers, and is the successor to macOS Catalina.

In addition, it was announced at Apple’s Worldwide Developers Conference on June 22, 2020, and was released to the public on November 12, 2020.

However, there had an issue in installation which was not addressed since November.

The original macOS Big Sur installation requires at least 48.5GB free space (35.5GB and another 13GB for the installer).

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Lack of space is quite a common problem but its lucky if you receive a message indicating that we didn’t have enough space available.

Recently, Apple has released an update — should prevent users from being able to begin a macOS Big Sur installation.

Importantly, Even when their Mac doesn’t have enough storage space. Mr. Macintosh confirmed the fix.

Security Recommendation:

Download and install the patch, also check the system requirements and don’t rely on the installer to check everything.

Big Sur also introduced a security fix for the critical Sudo bug.

In addition, The update also addresses vulnerabilities in Intel’s graphics drivers.