---
title: "v1.4.3"
description: "v1.4.3 changelog - 2026-01-26"
---
<Tabs>
  <Tab title="NPX">
    ```bash
    npx -y @maximhq/bifrost --transport-version v1.4.3
    ```
  </Tab>
  <Tab title="Docker">
    ```bash
    docker pull maximhq/bifrost:v1.4.3
    docker run -p 8080:8080 maximhq/bifrost:v1.4.3
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.4.3">
- feat: pinecone vector db support
- feat: configurable MCP health check method (ping or listTools)
- feat: adds new streaming callback for plugins
- fix: fixes streaming chunks coming in batches. adds test cases for detecting the same.
- fix: implement structured output handling for Anthropic models on Vertex where the beta structured-output header is unsupported
- fix: duplicate error when adding first MCP server

</Update>
<Update label="Core" description="1.3.14">
- fix: fixes race condition in shutdown core
- feat: add is_ping_available configuration for MCP health checks
- fix: allow flat $defs and propertyOrdering in jsonschema and forward it to Gemini
- feat: adds beta feature for Anthropic
  - deferLoading
  - strict
  - allowedCallers
  - inputExamples
  - add IsError to tool_result content
  - add "none" option to ToolChoice.Type
- fix: implement structured output handling for Anthropic models on Vertex where the beta structured-output header is unsupported
- fix: duplicate error when adding first MCP server

</Update>
<Update label="Framework" description="1.2.16">
- feat: add is_ping_available column to MCP clients table
- feat: adds Pinecone vector db support
- chore: upgrades core to 1.3.14

</Update>
<Update label="governance" description="1.4.17">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="jsonparser" description="1.4.16">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="litellmcompat" description="0.0.6">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="logging" description="1.4.16">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="maxim" description="1.5.15">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="mocker" description="1.4.16">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="otel" description="1.1.16">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="semantic_cache" description="1.4.15">
- feat: semantic search now support Pinecone DB
- chore: updated semantic search test cases to consider all dbs
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>
<Update label="telemetry" description="1.4.17">
- chore: upgrades core to 1.3.14 and framework to 1.2.16

</Update>