Browsing existing log entries in macOS Sierra is now much easier and more powerful.
Time Machine
Does macOS scheduling fail when it has been running for more than 10 days? Irregular backups suggest that it does.
Can’t find what you want in Console? Try this new log browser: although still a beta-release, I think it will do the job.
It looks like this will arrive shortly on iOS devices, with 10.3. What does it offer for Macs, and when will it ship?
Please post comments adding to this list if you think you have found a bug, so that others can be aware too.
Some users are having problems getting Time Machine to work in Sierra. Here are some suggestions to get that first backup completed.
When you keep documents in iCloud, are they backed up in Time Machine, searched in Spotlight, and kept securely?
When did Time Machine make its last backup? Are you sure that it completed without error? Here’s how to check these simply.
How to explore what happens during startup, and hone in on problems. The second tutorial, medium level.
A basic tutorial showing how to get useful information from Sierra’s new logs, using LogLogger5.
The Eclectic Light Company 