How your Mac’s security and privacy systems can cause duplicate copies of files to be written to your backups.
Do changing permissions or an extended attribute also alter a file’s modification date?
If you opt for ‘Mac-only’ format, isn’t that sufficient to preserve everything you need in an archive?
Some files rely on these to work properly. What happens when you share such a file using your iCloud account? The answer isn’t simple, but here are full details.
The behaviour of quarantine flags, SIP flags, and the mysterious new com.apple.macl attribute, which never ceases to puzzle.
Tips to help you investigate and tackle problems arising in Catalina with its new privacy protections, particularly those of folders such as Documents.
When you can’t save to somewhere else, only to your startup volume, even though you’ve shown user intent. Privacy through perversity perhaps?
How does Catalina’s new privacy protection extend to folders such as ~/Documents? New information fills in detail.
Classic resource forks passed into Mac OS X, but were deprecated by Apple in 10.8. Now in Catalina they can stop working: is this a new security measure?
A future version of macOS (?10.16) will check code signatures more thoroughly than at present. Here’s what to do to start preparing for that.