AssemblyAI change history: Timeout on transcriptions using speaker labels

AssemblyAI reported a major US Asynchronous API outage starting 2026-06-25 15:37 UTC (reported impact began 15:00 UTC), resolved at 2026-06-25 16:48 UTC; computed duration: 1 h 10 min. Speaker diarization failures caused timeouts for speaker-labeled files under 2 minutes, with backlog delays and timeouts affecting other requests; a fix was released and processing recovered.