How can you ensure that Apple is aware when something crashes in macOS? Setting this in your preferences, and making a separate Feedback report.
Problem Reporter
What can you do to investigate when an app suddenly vanishes in an ‘unexpected quit’? How to read the log and the crash log.
It’s no longer Crash Reporter, but Problem Reporter; how to get notifications instead of the default modal dialog; how to read and use crash logs.
The Eclectic Light Company 