Sierra 10.12.5 claims that the App Store app has been enhanced. That’s not what I have seen.
bugs
Currently they all look like old bugs, some going right back to Mavericks and earlier.
When part of the mechanism which schedules and dispatches Time Machine backups fails, those backups become irregular. Here it is shown in a clear diagram.
Diagrams how a routine Time Machine backup is scheduled and dispatched using CTS and DAS.
The old bug in macOS Sierra, which has been present since its first release last year, resulting in […]
The first detailed account of how macOS Sierra runs many of its background activities, complete with a diagram.
Improvements to help you see the wood from the trees in your logs.
Has Time Machine started to make irregular backups? Are apps stalling at odd times? This could be just the tool to find out why.
macOS doesn’t work like it used to. With heuristic task dispatching and sensitivity to factors like quality of network service, troubleshooting can get fiendishly difficult.
Significant bugs or undesirable features limiting log, Console, and os_log as of 10.12.4.
The Eclectic Light Company 