Voice emotion control is leaving the markup. Kakao's Kanana-o model, detailed on its tech blog on August 4, 2026, now takes plain-language instructions like "read it in a sad voice" or "read it in a Gyeongsang dialect" and reflects them in speed, volume, pitch, emotion, intonation, and intensity...
Source: [Dev.to](https://dev.to/lukeocodes/voice-emotion-control-moves-from-ssml-to-prompts-506b)