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macOS 10.15

Pervasive effects of the Catalina 10.15.3 update

Catches and issues with the 10.15.3 update – and good news on two important bugs which it fixed.

February 1, 2020 Macs, Technology

What’s this new AppleInternal folder then?

When restoring a Catalina system from Time Machine backups, this ‘new’ folder may appear. What should you do with it?

January 31, 2020 Macs, Technology

Quarantine, SIP, and MACL: macOS per-file security controls

The behaviour of quarantine flags, SIP flags, and the mysterious new com.apple.macl attribute, which never ceases to puzzle.

January 30, 2020 Macs, Technology

File system funnies: how to put two TextEdits side by side

T T Read More

What has happened in the Applications folder: two apps with an identical name? Isn’t it protected by SIP anyway?

January 29, 2020 Macs, Technology

What changed in the Catalina 10.15.3 update?

According to Apple’s release notes for the Catalina 10.15.3 update, there are only two changes which merit specific […]

January 29, 2020 Macs, Technology, Updates

Apple has released macOS Catalina 10.15.3, and security updates for Mojave and High Sierra

Apple has just released the update to bring Catalina to version 10.15.3, together with Security Updates for both […]

January 28, 2020 Macs, Technology, Updates

A Guide to Catalina’s Privacy Protection: 4 tccutil

Despite the lack of documentation from Apple, here’s a full rundown on the only tool provided to control privacy settings.

January 28, 2020 Macs, Technology

What could possibly go wrong on an app first run?

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App translocation, signature checks, XProtect and more explained, with key messages from the log to help you diagnose problems.

January 27, 2020 Macs, Technology

Last Week on My Mac: When more security subverts security

Using Little Snitch, this becomes unresolvable, as the app can’t complete first run checks, and every time you try, it’s translocated to a different folder, causing Little Snitch to block it again.

January 26, 2020 Macs, Technology

Updated Freeware Menu: all the apps that are fit to download

The complete range of 35 apps and 5 command tools which are compatible with Catalina – all free from here.

January 25, 2020 Macs, Technology

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