---
title: "v1.3.51"
description: "v1.3.51 changelog - 2025-12-19"
---
<Tabs>
  <Tab title="NPX">
    ```bash
    npx -y @maximhq/bifrost --transport-version v1.3.51
    ```
  </Tab>
  <Tab title="Docker">
    ```bash
    docker pull maximhq/bifrost:v1.3.51
    docker run -p 8080:8080 maximhq/bifrost:v1.3.51
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.3.51">
- fix: ensure properties field is always set for mcp tools - [@CryptoFewka](https://github.com/CryptoFewka)
- fix: correct search_domain_filter json tag in perplexity provider - [@hnoguchigr](https://github.com/hnoguchigr)
- feat: added HuggingFace provider
- fix: bedrock empty ARN issue causing request to fail
- fix: anthropic single context block in response converted to string instead for chat completions
- fix: added auth support in HTTP proxies
- feat: added custom CA certificate support in proxies
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="Core" description="1.2.40">
- fix: ensure properties field is always set for mcp tools - [@CryptoFewka](https://github.com/CryptoFewka)
- fix: correct search_domain_filter json tag in perplexity provider - [@hnoguchigr](https://github.com/hnoguchigr)
- feat: added HuggingFace provider
- fix: bedrock empty ARN issue causing request to fail
- fix: anthropic single context block in response converted to string instead for chat completions
- fix: added auth support in HTTP proxies
- feat: added custom CA certificate support in proxies

</Update>
<Update label="Framework" description="1.1.50">
- chore: bump core to 1.2.40

</Update>
<Update label="governance" description="1.3.51">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="jsonparser" description="1.3.51">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="logging" description="1.3.51">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="maxim" description="1.4.51">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="mocker" description="1.3.50">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="otel" description="1.0.50">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="semantic_cache" description="1.3.50">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
<Update label="telemetry" description="1.3.50">
- chore: bump core to 1.2.40 and framework to 1.1.50

</Update>
