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+- Added new Gradium services, `GradiumSTTService` and `GradiumTTSService`, for speech-to-text and text-to-speech functionality using Gradium's API.
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+- Additions for `AsyncAITTSService` and `AsyncAIHttpTTSService`:
+
+  - Added new `languages`: `pt`, `nl`, `ar`, `ru`, `ro`, `ja`, `he`, `hy`, `tr`, `hi`, `zh`.
+  - Updated the default model to `asyncflow_multilingual_v1.0` for improved accuracy and broader language coverage.
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+- Updated `CartesiaSTTService` to return the full transcription `result` in the `TranscriptionFrame` and `InterimTranscriptionFrame`. This provides access to word timestamp data.