ChatGPT change history: Elevated errors with gpt-image-2.5-flare

ChatGPT reported a major incident affecting API image generation and editing requests using gpt-image-2.5-flare, with elevated errors starting at 2026-09-15 23:50 UTC and lasting 40 min. A mitigation was applied at 23:58 UTC, and all impacted services fully recovered by 2026-09-16 00:30 UTC.