ChatGPT change history: Image generation unavailable in ChatGPT

ChatGPT image generation was unavailable with elevated errors in an incident rated major, starting 2026-07-21 10:36 UTC and lasting 6 days 8 h. OpenAI reported applying a mitigation and monitoring recovery; the final resolution at 2026-07-27 19:04 UTC stated that all impacted services had fully recovered.