---
title: "v1.3.39"
description: "v1.3.39 changelog - 2025-12-04"
---
<Tabs>
  <Tab title="NPX">
    ```bash
    npx -y @maximhq/bifrost --transport-version v1.3.39
    ```
  </Tab>
  <Tab title="Docker">
    ```bash
    docker pull maximhq/bifrost:v1.3.39
    docker run -p 8080:8080 maximhq/bifrost:v1.3.39
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.3.39">
- fix: vertex and bedrock usage aggregation improvements for streaming
- fix: choice index fixed to 0 for anthropic and bedrock streaming
- feat: model field added to responses api response
- feat: check allowed models and deployments of key for list models
- bug: ui breaking when list models is empty on virtual key provider config
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="Core" description="1.2.33">
- fix: vertex and bedrock usage aggregation improvements for streaming
- fix: choice index fixed to 0 for anthropic and bedrock streaming
- feat: model field added to responses api response
- feat: check allowed models and deployments of key for list models

</Update>
<Update label="Framework" description="1.1.42">
- chore: update core version to 1.2.33

</Update>
<Update label="governance" description="1.3.43">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="jsonparser" description="1.3.43">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="logging" description="1.3.43">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="maxim" description="1.4.42">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="mocker" description="1.3.42">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="otel" description="1.0.42">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="semantic_cache" description="1.3.42">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>
<Update label="telemetry" description="1.3.42">
- chore: update core version to 1.2.33 and framework version to 1.1.42

</Update>