When a critical code migration goes wrong, the stakes can be nothing short of catastrophic. In this episode, we dive into the code migration that almost brought one of the world's largest social platforms to its knees. You'll hear the inside story of how engineers raced against time to prevent total failure, the technical hurdles that made this code migration uniquely challenging, and the high-pressure decisions that determined success or disaster. We break down the lessons learned, the strategies that worked, and how these insights can prepare you for your own future code migration. If you've ever wondered what happens when code migration becomes a matter of survival, this is the episode you can't afford to miss. Get Tern Stories in your inbox: https://tern.sh/youtube