---
title: "v1.3.37"
description: "v1.3.37 changelog - 2025-11-28"
---
<Tabs>
  <Tab title="NPX">
    ```bash
    npx -y @maximhq/bifrost --transport-version v1.3.37
    ```
  </Tab>
  <Tab title="Docker">
    ```bash
    docker pull maximhq/bifrost:v1.3.37
    docker run -p 8080:8080 maximhq/bifrost:v1.3.37
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.3.37">
- feat: pydantic SDK support
- feat: bedrock SDK support
- feat: adds versioning support for plugins
- **breaking change**: plugins now accept *schemas.BifrostContext instead of *context.Context
- fix: gemini tts fixes with audio encoding for cross SDK compatibility
- feat: improved virtual key configuration flows
- chore: improved test coverage
- feat: check allowed models from model catalog for provider routing using virtual keys
- fix: log cleanup timestamp in UTC to match log entry timestamps for processing logs
- fix: prompt caching issue fixes for openai chat completions

</Update>
<Update label="Core" description="1.2.31">
- **breaking change**: plugins now accept *schemas.BifrostContext instead of *context.Context
- feat: adds support for bedrock, pydantic and cohere SDK.
- fix: minor fixes around audio streaming for gemini and vertex
- fix: prompt caching issue fixes for openai chat completions
- feat: add versioning support for plugins
- [BREAKING CHANGE]: ToolFunctionParameters.Properties is now an *OrderedMap instead of *map[string]interface{}

</Update>
<Update label="Framework" description="1.1.40">
- feat: adds audio encoding flows for gemini tts workflows

</Update>
<Update label="governance" description="1.3.41">
- chore: upgrades core to 1.2.31 and framework to 1.1.40
- feat: check allowed models from model catalog for provider configs

</Update>
<Update label="jsonparser" description="1.3.41">
- chore: upgrades core to 1.2.31 and framework to 1.1.40

</Update>
<Update label="logging" description="1.3.41">
- chore: upgrades core to 1.2.31 and framework to 1.1.40
- fix: log cleanup timestamp in UTC to match log entry timestamps

</Update>
<Update label="maxim" description="1.4.40">
- chore: upgrades core to 1.2.31 and framework to 1.1.40

</Update>
<Update label="mocker" description="1.3.40">
- chore: upgrades core to 1.2.31 and framework to 1.1.40

</Update>
<Update label="otel" description="1.0.40">
- chore: upgrades core to 1.2.31 and framework to 1.1.40

</Update>
<Update label="semantic_cache" description="1.3.40">
- chore: upgrades core to 1.2.31 and framework to 1.1.40

</Update>
<Update label="telemetry" description="1.3.40">
- chore: upgrades core to 1.2.31 and framework to 1.1.40

</Update>