If you’re running an interpreted/JIT language, Big Sur could return that it’s either 10.16 or 11.0, depending on the version of the environment.
macOS 11.0 will identify itself differently according to the SDK used, and an environment variable does the same for scripts.
New approach to reading logs which enables you to follow conversations between sub-systems and services you’re interested in without messing with predicates.
Here are several good reasons that Big Sur will need more storage space than previous versions of macOS.
Updating Big Sur can cause the storage required by the system to double in size. Snapshots appear to be the cause. What’s the solution?
How apps can opt to set the quarantine flag on files they create, and how macOS can override that to protect you.
Are you tempted to install the first public beta of macOS 11 Big Sur? Read this before making any decisions. It could save you Mac.
Nine more free apps available as Universal binaries, from Cirrus to xattred.
How does Big Sur convince older software that it’s macOS 10.16, but to newly-built app it’s macOS 11.0?
If you have scripts or code which check which version of macOS is running, be careful with Big Sur. Is it 11.0 or 10.16?