---
title: "v1.3.49"
description: "v1.3.49 changelog - 2025-12-16"
---
<Tabs>
  <Tab title="NPX">
    ```bash
    npx -y @maximhq/bifrost --transport-version v1.3.49
    ```
  </Tab>
  <Tab title="Docker">
    ```bash
    docker pull maximhq/bifrost:v1.3.49
    docker run -p 8080:8080 maximhq/bifrost:v1.3.49
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.3.49">
- feat: add `x-bf-api-key` header to send requests with a key by name
- feat: parse `x-bf-eh-*` request headers as extra headers
- feat: addded api endpoint for /api/pricing/force-syncfeat: support for raw response accumulation for streaming
- feat: add support for enabling/disabling provider keys without deletion.
- feat: add batch api support for OpenAI, Anthropic, Google Gemini and Bedrock <Badge color="blue">Beta</Badge>.
- feat: new provider support - nebius.
- feat: force refresh datasheet support.
- fix: fixed minor issues with structured output support for Gemini and Bedrock.
- fix: fixed token usage base cost compute for models like gemini
- chore: CORS policy now allows `x-stainless-timeout`

</Update>
<Update label="Core" description="1.2.38">
- feat: adds batch and files API support for bedrock, openai, anthropic and gemini
- feat: new provider support - nebius
- feat: structured output support 
- fix: vertex and bedrock usage aggregation improvements for streaming
- fix: choice index fixed to 0 for anthropic and bedrock streaming

</Update>
<Update label="Framework" description="1.1.48">
- feat: added force sync function in pricing and pricing according to 200k token
- feat: adds logging support for batch and file requests
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="governance" description="1.3.49">
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="jsonparser" description="1.3.49">
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="logging" description="1.3.49">
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="maxim" description="1.4.49">
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="mocker" description="1.3.48">
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="otel" description="1.0.48">
- feat: add batch and file request logging support; refactor centralized request handling
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="semantic_cache" description="1.3.48">
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>
<Update label="telemetry" description="1.3.48">
- feat: adds logging support for batch and file requests
- chore: upgrades core to 1.2.38 and framework to 1.1.48

</Update>