Link: https://www.fastly.com/blog/summary-of-june-8-outage
Excerpt:
On May 12, we began a software deployment that introduced a bug that could be triggered by a specific customer configuration under specific circumstances.
Early June 8, a customer pushed a valid configuration change that included the specific circumstances that triggered the bug, which caused 85% of our network to return errors.
Author(s): Nick Rockwell
Publication Date: 8 June 2021
Publication Site: fastly