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What’s New: Week of June 15, 2026

  1. Claude Haiku (Global): Now available as a model through Amazon Bedrock for assistants.

  2. Pronunciation Dictionary Management in Voice Config: Pronunciation dictionaries configured via the API can now be viewed and managed directly in an assistant’s voice settings in the dashboard.

    • Stale dictionary references are flagged when a voice changes to a model that cannot apply them.
  3. Rotating Tool Messages: You can now configure multiple message variants for a tool, and the assistant picks one at random so longer calls feel less repetitive.

  4. Dynamic Variables in Test Calls: A dialog lets you set dynamic variable values before starting a test call from the dashboard.

  5. Concurrency and Rate Limits in Organization Settings: Your call concurrency cap and API request rate limit now appear as read-only fields in Organization Settings.

  6. Fixes and Improvements:

    • Cartesia voice overrides in squads now apply correctly instead of falling back to a hard-coded default.
    • Duplicate tools sharing the same function.name are de-duplicated during model streaming, preventing duplicate tool calls.
    • The call concurrency chart in analytics now renders correctly.