How does the ‘Optimize Storage’ feature work? Indeed, does it work? A look at its confusions and a couple of bugs.
When does macOS decide to download new and changed items in iCloud Drive? This steps through the process from decision to completion.
How does macOS learn of changes which have taken place in iCloud Drive, such as the uploading of files from another system? Here the process is taken apart, and points of failure highlighted.
When you upload a file to iCloud Drive, the steps involved are complex. They’re outlined and diagrammed here, with pointers to how to diagnose and resolve problems.
Looking inside iCloud when copying a file across to cloud storage. How CloudDocs, CloudKit, MMCS, and other subsystems work together.
If Apple manages the performance of iOS, does it do the same with macOS? What is there to stop that from being used against us?
Changes include frequent timechecks by timed, harder access to info about keychains, a couple of possible AppleScript bugs, and APFS snapshots.
A detailed examination of what happens during the first few minutes after starting your Mac up. Vital for anyone trying to diagnose problems in that period.
When Sierra’s automatic backups stop or become irregular, other functions fail too. Here are some important and more obvious ones. Is this fixed in High Sierra, and does it affect iPhones too?
This new version lets you select which log file to analyse, and to add custom processes to examine within log files. Lots of power with elegant simplicity.