Case Study: When a Tiny 'd' Deployment Knocked Out 320,000 Regular X Users — and How the Team Fixed It

https://telegra.ph/ChatGPT-gave-you-wrong-contract-advice--now-what-A-practical-numbered-playbook-08-06

When a routine front-end push left a third of active users staring at a blank feed Two weeks after a product sprint, X shipped a client-side change tied to a single-letter flag named "d