diff --git a/changelog/4204.removed.10.md b/changelog/4204.removed.10.md
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+- ⚠️ Removed deprecated `observers` field from `PipelineParams`. Pass observers directly to `PipelineTask` constructor instead.
diff --git a/changelog/4204.removed.11.md b/changelog/4204.removed.11.md
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+- ⚠️ Removed deprecated `on_pipeline_ended`, `on_pipeline_cancelled`, and `on_pipeline_stopped` events from `PipelineTask`. Use `on_pipeline_finished` instead.
diff --git a/changelog/4204.removed.12.md b/changelog/4204.removed.12.md
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+- ⚠️ Removed `AudioBufferProcessor.user_continuous_stream` parameter. Use `user_audio_passthrough` instead.
diff --git a/changelog/4204.removed.13.md b/changelog/4204.removed.13.md
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+- ⚠️ Removed deprecated `camera_in_enabled`, `camera_in_is_live`, `camera_in_width`, `camera_in_height`, `camera_out_enabled`, `camera_out_is_live`, `camera_out_width`, `camera_out_height`, and `camera_out_color` transport params. Use the `video_in_*` and `video_out_*` equivalents instead.
diff --git a/changelog/4204.removed.14.md b/changelog/4204.removed.14.md
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index 000000000..e69561e30
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+- ⚠️ Removed `RTVIObserver.errors_enabled` parameter.
diff --git a/changelog/4204.removed.15.md b/changelog/4204.removed.15.md
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index 000000000..1eaf96471
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+- ⚠️ Removed deprecated `vad_enabled` and `vad_audio_passthrough` transport params.
diff --git a/changelog/4204.removed.16.md b/changelog/4204.removed.16.md
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index 000000000..05668ad6d
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+- ⚠️ Removed `TTSService.say()`. Push a `TTSSpeakFrame` into the pipeline instead.
diff --git a/changelog/4204.removed.17.md b/changelog/4204.removed.17.md
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index 000000000..4edafe2db
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+- ⚠️ Removed `DailyRunner.configure_with_args()`. Use `PipelineRunner` with `RunnerArguments` instead.
diff --git a/changelog/4204.removed.18.md b/changelog/4204.removed.18.md
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index 000000000..d347cebc8
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+- ⚠️ Removed deprecated RTVI models, frames, and processor methods including `RTVIConfig`, `RTVIServiceConfig`, `RTVIServiceOptionConfig`, various `RTVI*Data` models, `RTVIActionFrame`, and `RTVIProcessor.handle_function_call`/`handle_function_call_start`. Use the updated RTVI processor API instead.
diff --git a/changelog/4204.removed.19.md b/changelog/4204.removed.19.md
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index 000000000..336bdb769
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+- ⚠️ Removed `FrameProcessor.wait_for_task()`. Use `create_task()` and manage tasks with the built-in `TaskManager` instead.
diff --git a/changelog/4204.removed.2.md b/changelog/4204.removed.2.md
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index 000000000..615bcd4ea
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+- ⚠️ Removed `KrispFilter`. The `krisp` extra has been removed from `pyproject.toml`.
diff --git a/changelog/4204.removed.20.md b/changelog/4204.removed.20.md
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index 000000000..9f9f8921e
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+++ b/changelog/4204.removed.20.md
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+- ⚠️ Removed `LLMService.request_image_frame()`. Push a `UserImageRequestFrame` instead.
diff --git a/changelog/4204.removed.3.md b/changelog/4204.removed.3.md
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index 000000000..c0f78f7b4
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+- ⚠️ Removed `create_default_resampler()` from `pipecat.audio.utils`.
diff --git a/changelog/4204.removed.4.md b/changelog/4204.removed.4.md
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index 000000000..a0cc5745d
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+- ⚠️ Removed `FalSmartTurnAnalyzer` and `LocalSmartTurnAnalyzer`.
diff --git a/changelog/4204.removed.5.md b/changelog/4204.removed.5.md
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index 000000000..cbf163d76
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+- ⚠️ Removed deprecated transport frames: `TransportMessageFrame`, `TransportMessageUrgentFrame`, `InputTransportMessageUrgentFrame`, `DailyTransportMessageFrame`, and `DailyTransportMessageUrgentFrame`. Use `OutputTransportMessageFrame`, `OutputTransportMessageUrgentFrame`, `InputTransportMessageFrame`, `DailyOutputTransportMessageFrame`, and `DailyOutputTransportMessageUrgentFrame` instead.
diff --git a/changelog/4204.removed.6.md b/changelog/4204.removed.6.md
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index 000000000..baf59d50b
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+- ⚠️ Removed deprecated `KeypadEntryFrame` alias.
diff --git a/changelog/4204.removed.7.md b/changelog/4204.removed.7.md
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index 000000000..cae8d29e7
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+- ⚠️ Removed deprecated interruption frames: `StartInterruptionFrame` and `BotInterruptionFrame`. Use `InterruptionFrame` and `InterruptionTaskFrame` instead.
diff --git a/changelog/4204.removed.8.md b/changelog/4204.removed.8.md
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index 000000000..581b5d089
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+++ b/changelog/4204.removed.8.md
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+- ⚠️ Removed `LLMService.start_callback` parameter. Register an `on_llm_response_start` event handler instead.
diff --git a/changelog/4204.removed.9.md b/changelog/4204.removed.9.md
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index 000000000..0ad26ab3f
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+++ b/changelog/4204.removed.9.md
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+- ⚠️ Removed single-argument function call support from `LLMService`. Functions must use named parameters instead of a single `arguments` parameter.
diff --git a/changelog/4204.removed.md b/changelog/4204.removed.md
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index 000000000..aa6928bf7
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+- ⚠️ Removed `NoisereduceFilter`. Use system-level noise reduction or a service-based alternative instead.