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A regional language tag no longer silences WebSocket TTS providers

calendar_today August 4, 2026 domain speko

Status: available. Requesting a regional tag such as es-CO or es-MX forwarded the full tag to providers that accept only a base language. They rejected the request as invalid input, and because the streaming transports commit a 200 before the provider answers, the caller received a successful response carrying no audio.

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