Postmortems are very important part of this, and I love that these are shared, so one can watch&learn. For example these external postmortems from the chromium

Postmortems are very important part of this, and I love that these are shared, so one can watch&learn. For example these external postmortems from the chromium team - https://www.chromium.org/developers/postmortems https://www.chromium.org/developers/postmortems