How do I know if an update requires restart in macOS Sierra? I just updated iTunes and read the description of the update, but couldn't find any mention of a restart required. After a moment the computer restarted without a warning. Luckily, I wasn't in the middle of anything important, but I'd like to avoid such forced restarts in the future.
Edit: There was also a macOS Sierra update today. In the figure below, there's no mention of a restart required. I also followed the two links, but found no mention there either. I'm pretty sure that the info shown here was the same prior to the update.