Documentation Index

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Version 12.8

  • Published on Aug 18, 2026
  • 1 minute(s) read
  • WK
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Q4 2025 (Oct–Dec 2025)

Improvements

  • Better Session Traceability in TTS Logs
    Customer-provided session tags sent via MRCP now appear automatically on every related log line, making it much easier to filter and trace all activity tied to a specific session during troubleshooting.

  • More Stable TTS Performance Under Load
    Modernized the underlying concurrency handling in the TTS engine, improving stability and reducing the risk of processing bottlenecks during concurrent synthesis requests.

  • Early Groundwork for Real-Time TTS Streaming
    Laid the initial API design groundwork for WebSocket-based, real-time Text-to-Speech streaming, in preparation for lower-latency synthesis in a future release.

Bug Fixes

  • Fixed Deleted Abbreviations Still Being Read in Expanded Form
    Resolved an issue where a deleted abbreviation would continue to be read aloud in its expanded form.

  • Fixed an Error Adding an Abbreviation to an External Voice
    Resolved an error that occurred when adding an abbreviation to an external voice.