v0.0.100

### Added

- Added Hathora service to support Hathora-hosted TTS and STT models (only non-streaming)
  (PR [#3169](https://github.com/pipecat-ai/pipecat/pull/3169))

- Added `CambTTSService`, using Camb.ai's TTS integration with MARS models (mars-flash, mars-pro, mars-instruct) for high-quality text-to-speech synthesis.
  (PR [#3349](https://github.com/pipecat-ai/pipecat/pull/3349))

- Added the `additional_headers` param to `WebsocketClientParams`, allowing `WebsocketClientTransport` to send custom headers on connect, for cases such as authentication.
  (PR [#3461](https://github.com/pipecat-ai/pipecat/pull/3461))

- Added `UserIdleController` for detecting user idle state, integrated into `LLMUserAggregator` and `UserTurnProcessor` via optional `user_idle_timeout` parameter. Emits `on_user_turn_idle` event for application-level handling.  Deprecated `UserIdleProcessor` in favor of the new compositional approach.
  (PR [#3482](https://github.com/pipecat-ai/pipecat/pull/3482))

- Added `on_user_mute_started` and `on_user_mute_stopped` event handlers to `LLMUserAggregator` for tracking user mute state changes.
  (PR [#3490](https://github.com/pipecat-ai/pipecat/pull/3490))

### Changed

- Enhanced interruption handling in `AsyncAITTSService` by supporting multi-context WebSocket sessions for more robust context management.
  (PR [#3287](https://github.com/pipecat-ai/pipecat/pull/3287))

- Throttle `UserSpeakingFrame` to broadcast at most every 200ms instead of on every audio chunk, reducing frame processing overhead during user speech.
  (PR [#3483](https://github.com/pipecat-ai/pipecat/pull/3483))

### Deprecated

- For consistency with other package names, we just deprecated `pipecat.turns.mute` (introduced in Pipecat 0.0.99) in favor of `pipecat.turns.user_mute`.
  (PR [#3479](https://github.com/pipecat-ai/pipecat/pull/3479))

### Fixed

- Corrected TTFB metric calculation in `AsyncAIHttpTTSService`.
  (PR [#3287](https://github.com/pipecat-ai/pipecat/pull/3287))

- Fixed an issue where the "bot-llm-text" RTVI event would not fire for realtime (speech-to-speech) services:

    - `AWSNovaSonicLLMService`
    - `GeminiLiveLLMService`
    - `OpenAIRealtimeLLMService`
    - `GrokRealtimeLLMService`

  The issue was that these services weren't pushing `LLMTextFrame`s. Now they do.
  (PR [#3446](https://github.com/pipecat-ai/pipecat/pull/3446))

- Fixed an issue where `on_user_turn_stop_timeout` could fire while a user is talking when using `ExternalUserTurnStrategies`.
  (PR [#3454](https://github.com/pipecat-ai/pipecat/pull/3454))

- Fixed an issue where user turn start strategies were not being reset after a user turn started, causing incorrect strategy behavior.
  (PR [#3455](https://github.com/pipecat-ai/pipecat/pull/3455))

- Fixed `MinWordsUserTurnStartStrategy` to not aggregate transcriptions, preventing incorrect turn starts when words are spoken with pauses between them.
  (PR [#3462](https://github.com/pipecat-ai/pipecat/pull/3462))

- Fixed an issue where Grok Realtime would error out when running with SmallWebRTC transport.
  (PR [#3480](https://github.com/pipecat-ai/pipecat/pull/3480))

- Fixed a `Mem0MemoryService` issue where passing `async_mode: true` was causing an error. See https://docs.mem0.ai/platform/features/async-mode-default-change.
  (PR [#3484](https://github.com/pipecat-ai/pipecat/pull/3484))

- Fixed `AWSNovaSonicLLMService.reset_conversation()`, which would previously error out. Now it successfully reconnects and "rehydrates" from the context object.
  (PR [#3486](https://github.com/pipecat-ai/pipecat/pull/3486))

- Fixed `AzureTTSService` transcript formatting issues:
    - Punctuation now appears without extra spaces (e.g., "Hello!" instead of "Hello !")
    - CJK languages (Chinese, Japanese, Korean) no longer have unwanted spaces between characters
  (PR [#3489](https://github.com/pipecat-ai/pipecat/pull/3489))

- Fixed an issue where `UninterruptibleFrame` frames would not be preserved in some cases.
  (PR [#3494](https://github.com/pipecat-ai/pipecat/pull/3494))

- Fixed memory leak in `LiveKitTransport` when `video_in_enabled` is `False`.
  (PR [#3499](https://github.com/pipecat-ai/pipecat/pull/3499))

- Fixed an issue in `AIService` where unhandled exceptions in `start()`, `stop()`, or `cancel()` implementations would prevent `process_frame()` to continue and therefore `StartFrame`, `EndFrame`, or `CancelFrame` from being pushed downstream, causing the pipeline to not start or stop properly.
  (PR [#3503](https://github.com/pipecat-ai/pipecat/pull/3503))

- Moved `NVIDIATTSService` and `NVIDIASTTService` client initialization from constructor to `start()` for better error handling.
  (PR [#3504](https://github.com/pipecat-ai/pipecat/pull/3504))

- Optimized `NVIDIATTSService` to process incoming audio frames immediately.
  (PR [#3509](https://github.com/pipecat-ai/pipecat/pull/3509))

- Optimized `NVIDIASTTService` by removing unnecessary queue and task.
  (PR [#3509](https://github.com/pipecat-ai/pipecat/pull/3509))

- Fixed a `CambTTSService` issue where client was being initialized in the constructor which wouldn't allow for proper Pipeline error handling.
  (PR [#3511](https://github.com/pipecat-ai/pipecat/pull/3511))