The Bug That Blamed Everyone But Itself
RCA of a bug that hid behind a perfectly normal-looking failure for months, quietly getting worse the whole time.
Postmortems
Root-cause analyses of the most intriguing bugs I've shipped to production
Root-cause analyses of the most intriguing bugs I've shipped to production
RCA of a bug that hid behind a perfectly normal-looking failure for months, quietly getting worse the whole time.
TL;DR: It was the DNS, it's always the DNS.
A unique bug where receiving push notifications triggered background app launches