> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getbifrost.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# v1.4.9

> v1.4.9 changelog - 2026-02-26

<Tabs>
  <Tab title="NPX">
    ```bash theme={null}
    npx -y @maximhq/bifrost --transport-version v1.4.9
    ```
  </Tab>

  <Tab title="Docker">
    ```bash theme={null}
    docker pull maximhq/bifrost:v1.4.9
    docker run -p 8080:8080 maximhq/bifrost:v1.4.9
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.4.9">
  * fix: widened encrypted varchar columns (azure\_api\_version, vertex\_region, bedrock\_region) to prevent truncation of AES-256-GCM encrypted values
  * feat: support top-level cache\_control for Anthropic automatic prompt caching
  * fix: plugins/semantic\_cache: fix DefaultCacheKey dropped during JSON unmarshal
  * fix: filter openrouter list models response based on allowed models on key
  * chore: bump framework to 1.2.23
</Update>

<Update label="Core" description="1.4.4">
  * fix: filter openrouter list models response based on allowed models on key
</Update>

<Update label="Framework" description="1.2.23">
  * hotfix: widened encrypted varchar columns (azure\_api\_version, vertex\_region, bedrock\_region) from varchar to TEXT to accommodate AES-256-GCM encryption overhead
</Update>

<Update label="governance" description="1.4.24">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="jsonparser" description="1.4.23">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="litellmcompat" description="0.0.13">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="logging" description="1.4.23">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="maxim" description="1.5.22">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="mocker" description="1.4.23">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="otel" description="1.1.23">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="semantic_cache" description="1.4.22">
  * chore: upgraded framework to 1.2.23
</Update>

<Update label="telemetry" description="1.4.24">
  * chore: upgraded framework to 1.2.23
</Update>