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Add changelog for February 2, 2025 #180

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Feb 3, 2025
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Add changelog for February 2, 2025 #180

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25 changes: 25 additions & 0 deletions fern/changelog/2025-02-01.mdx
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# API Request Node, Improved Retries, and Enhanced Message Controls

1. **HttpRequest Node Renamed to ApiRequest**: The `HttpRequest` workflow node has been renamed to [`ApiRequest`](https://api.vapi.ai/api#:~:text=ApiRequest), and can be accessed through `Assistant.model.workflow.nodes[type="api-request"]`. Key changes:
- New support for POST requests with customizable headers and body
- New async request support with `isAsync` flag
- Task status messages for waiting, starting, failure and success states
<Warning>The `HttpRequest` node is now deprecated and will be removed in a future release. Please migrate to the new `ApiRequest` node.</Warning>

2. **New Backoff and Retry Controls**: You can now configure [`Assistant.model.tools[type=dtmf].server.backoffPlan`](https://api.vapi.ai/api#:~:text=BackoffPlan) to handle failed requests with customizable retry strategies and delays.
- Supports fixed or exponential backoff strategies
- Configure `maxRetries` (up to 10) and `baseDelaySeconds` (up to 10 seconds)
- Available in server configurations via `backoffPlan` property

3. **Enhanced Gather Node**: The [`Assistant.model.workflow.nodes[type=gather]`](https://api.vapi.ai/api#:~:text=Gather) node has been improved with the following changes:
- Added `maxRetries` property to control retry attempts
- Now accepts a single JsonSchema instead of an array
- Removed default value for `confirmContent` property

4. **Improved Message Controls**: [`Assistant.messagePlan`](https://api.vapi.ai/api#:~:text=MessagePlan) has been improved with the following changes:
- Increased `idleTimeoutSeconds` maximum from 30 to 60 seconds
- Added `silenceTimeoutMessage` to customize call ending due to silence

5. **New Distilled Deepseek Model with Groq**: You can now select `deepseek-r1-distill-llama-70b` when using [Groq](https://api.vapi.ai/api#:~:text=Groq) as the provider in [`Assistant.model[provider='groq']`](https://api.vapi.ai/api#:~:text=UpdateCallDTO-,Assistant,-UpdateAssistantDTO)

6. **Edge Condition Updates**: Edge conditions now require explicit matching criteria to improve workflow control and readability. Semantic edges must specify a `matches` property while programmatic edges require a `booleanExpression` property to define transition logic.
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