---
title: "v1.4.8"
description: "v1.4.8 changelog - 2026-02-25"
---
<Tabs>
  <Tab title="NPX">
    ```bash
    npx -y @maximhq/bifrost --transport-version v1.4.8
    ```
  </Tab>
  <Tab title="Docker">
    ```bash
    docker pull maximhq/bifrost:v1.4.8
    docker run -p 8080:8080 maximhq/bifrost:v1.4.8
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.4.8">
- feat: added support for logging headers to capture request headers into log metadata
- fix: OAuth callback URL now respects X-Forwarded-Proto header for correct HTTPS scheme behind reverse proxies
- feat: add asynchronous inference support
- feat: added required headers support — configure headers that must be present on every request
- fix: routing rules CEL builder UI fixes
- fix: routing rules now support case-insensitive header matching
- fix: azure openai sdk requests handling in openai integration
- feat: support multiple credential types in vertex auth credentials
- fix: semantic caching plugin initialization when configured using UI
- fix: added replicate and huggingface model allowlist on list models response
- fix: added support for unfiltered list models response when updating keys' allowed models field
- fix: backfill allowed models that were not in the list models response
- feat: support for video generation requests
- feat: add runway provider support
- enhancement: improved model matching logic in model catalog
- feat: support for preserving JSON key order in tool function parameters
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="Core" description="1.4.4">
- refactor: ListModelsRequest to use the common request handling pipeline instead of its own implementation
- feat: added support for filtering /v1/models responses based on virtual key configurations in the governance plugin
- feat: add vllm provider support
- feat: support multiple credential types in vertex auth credentials
- fix: added replicate and huggingface model allowlist on list models response
- feat: added support for unfiltered list models response
- fix: backfill allowed models that were not in the list models response
- feat: support for video generation requests
- feat: add runway provider support
- feat: support for preserving JSON key order in tool function parameters
- fix: empty json marshalling fixes for tool choice struct

</Update>
<Update label="Framework" description="1.2.22">
- feat: added logging_headers config field and metadata column to MCP tool logs
- feat: add tables for async job results
- feat: added required_headers config field with DB persistence and migration
- feat: added support for unfiltered models for provider in model catalog
- enhancement: improved model matching logic in model catalog
- chore: bump core version to 1.4.4

</Update>
<Update label="governance" description="1.4.23">
- fix: routing rules now support case-insensitive header matching
- feat: added required headers validation — requests missing configured headers are rejected with a 400 error
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="jsonparser" description="1.4.22">
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="litellmcompat" description="0.0.12">
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="logging" description="1.4.22">
- feat: added support for capturing configured logging headers and x-bf-lh-* prefixed headers into log metadata for both LLM and MCP requests
- feat: add metadata column to logging table for async request tracking
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="maxim" description="1.5.21">
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="mocker" description="1.4.22">
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="otel" description="1.1.22">
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="semantic_cache" description="1.4.21">
- fix: invalid providers which do not support embedding requests are rejected during initialization
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>
<Update label="telemetry" description="1.4.23">
- chore: bump core version to 1.4.4 and framework to 1.2.22

</Update>