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Big Sur

Last Week on My Mac: Control-Space

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?

July 12, 2020 Macs, Technology

How macOS overrides app behaviour, including quarantine

How apps can opt to set the quarantine flag on files they create, and how macOS can override that to protect you.

July 10, 2020 Macs, Technology

Should you beta-test Big Sur?

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.

July 9, 2020 Macs, Technology

Another batch of Universal Apps, and a fixed version of Ulbow

Nine more free apps available as Universal binaries, from Cirrus to xattred.

July 7, 2020 Macs, Technology, Updates

Why Big Sur won’t stumble over version numbers

How does Big Sur convince older software that it’s macOS 10.16, but to newly-built app it’s macOS 11.0?

July 6, 2020 Macs, Technology

What’s in a number: how Big Sur could break code

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?

July 2, 2020 Macs, Technology

Finding your way around the log using Ulbow

All about periods of interest, landmarks, filters and search tools – everything you need to discover what went wrong in your Mac’s log.

June 30, 2020 Macs, Technology

APFS changes in Big Sur: how Time Machine backs up to APFS, and more

APFS adds 6 volume roles, including one which supports Time Machine backups. And per-file encryption is coming.

June 29, 2020 Macs, Technology

Last Week on My Mac: More pieces in Apple’s jigsaw puzzle

WWDC provided more pieces for the jigsaw of the Mac’s future, but there’s one significant piece still missing.

June 28, 2020 Macs, Technology

Big Sur’s Signed System Volume: added security protection

From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.

June 25, 2020 Macs, Technology

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