Significant bugs or undesirable features limiting log, Console, and os_log as of 10.12.4.
Sierra 10.12.4 introduced undocumented changes in the log system which may break apps which write to the logs. Here is Blowhole fixed for that change.
Can you tell the difference? What is the significance of each, and do you know what to do about them? An introductory guide.
In an undocumented change, 10.12.4 prevents any access to reading Sierra’s log when in normal user mode – it requires admin mode.
Link to the slides from a masterly review by Sarah Edwards of the new log system in macOS Sierra.
Sierra doesn’t use and ‘roll’ traditional log files. For how long does it keep entries in its new log?
An explicit listing of terms which are useful in filtering Sierra’s logs. This list is maintained.
Problems with Help are uncommon in Sierra, but when they occur can be mystifying. Here’s some of the can of worms.
Vastly improved over version 1, this now has over 6 MB of Help Book, with extensive reference material and links to online articles too.
A detailed tutorial showing how you can time events, such as moving from one note to the next, using free and simple tools.