The fields stored in the log have changed across Sierra and High Sierra. Analyse them on the wrong system, and you could lose content without being aware of it.
log
Support for the unified log’s new features in both High Sierra and Mojave, including Signposts and performance analysis. Now, and free.
Changes include an additional output text format, display log since the last boot, and support for Mojave’s Signposts is already present and being used by Apple.
After 2 years, developers should be able to use the unified log for performance analysis, thanks to extensions and Xcode’s Instruments. Sysadmins and users remain neglected, though.
Improved usability including keystroke shortcuts, and three bugs fixed – one of which disabled use of custom settings files.
My free log browser is progressing towards version 3 release. This beta can save as RTF, runs slow tasks in the background, and has a smaller minimum window size.
Are we in for some real surprises, like tools and documentation, or just razzle-dazzle, smoke and mirrors?
More friendly, it runs checks in the background as much as possible, and has improvements in displaying results.
Do you use iCloud? Then you need this, the only tool for managing it properly, investigating its problems, and tacking them.
Is shutdown -r now better than reboot? What advantages does Finder’s Restart have over them? The answers are in these logs.
The Eclectic Light Company 