> ## 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.

# v1.4.5

> v1.4.5 changelog - 2026-02-10

<Tabs>
  <Tab title="NPX">
    ```bash theme={null}
    npx -y @maximhq/bifrost --transport-version v1.4.5
    ```
  </Tab>

  <Tab title="Docker">
    ```bash theme={null}
    docker pull maximhq/bifrost:v1.4.5
    docker run -p 8080:8080 maximhq/bifrost:v1.4.5
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.4.5">
  * fix: duplicate mcp server creation when adding non oauth mcp client
  * feat: add model and provider level governance - set budgets and rate limits on specific models or providers independent of virtual keys
  * feat: cross-provider model matching - governance configs for `gpt-4o` now correctly apply to `openai/gpt-4o`, `gpt-4o-2024-08-06`, etc.
  * feat: add `from_memory=true` query parameter for faster governance reads (virtual keys, model configs, provider governance)
  * feat: added routing rules for dynamic routing of requests based on predefined rules
  * feat: add `GET /api/models/base` endpoint for listing distinct base model names with search/filter support
  * feat: base model selection in model limits UI when no provider is selected
  * fix: edit sheets now show live data instead of stale cached values
  * fix: mapping of multiple modality tokens from gemini usage metadata to bifrost usage
  * fix: embedding thought signature in tool call id for valid tool calling cycle in gemini chat
  * feat: request path override functionality to support full URLs (with scheme and host) as well as custom paths
  * fix: missing and duplicated tool results in Bedrock - [@hhieuu](https://github.com/hhieuu)
  * fix: errored request logs are now not counted in missing cost filter
  * feat: adds support for custom OAuth scopes when authenticating with Azure Entra ID
  * fix: if governance is disabled set enforce virtual key header to false
  * feat: adds retry logic to MCP client connection establishment and tool retrieval
  * fix: MCP server edit fixes for headers, ping available toggle and tool sync interval
  * fix: force reload pricing now correctly resets the model pool and adds new models to the catalog
  * feat: add routing engine used to log entries and telemetry metrics
  * fix: tool sync interval in mcp catalog
</Update>

<Update label="Core" description="1.4.1">
  * fix: model names with namespaces (e.g., `meta-llama/Llama-3.1-8B`) are now correctly preserved instead of being incorrectly split as provider-prefixed models
  * fix: mapping of multiple modality tokens from gemini usage metadata to bifrost usage
  * fix: embedding thought signature in tool call id for valid tool calling cycle in gemini chat
  * feat: request path override functionality to support full URLs (with scheme and host) as well as custom paths
  * fix: missing and duplicated tool results in Bedrock - [@hhieuu](https://github.com/hhieuu)
  * fix: support HuggingFace model names without an explicit provider prefix
  * feat: adds support for custom OAuth scopes when authenticating with Azure Entra ID
  * feat: adds retry logic to MCP client connection establishment and tool retrieval
</Update>

<Update label="Framework" description="1.2.19">
  * feat: add base\_model support to model catalog for cross-provider model matching
  * feat: add GetBaseModelName, IsSameModel, and GetDistinctBaseModelNames methods to ModelCatalog for resolving model aliases and checking model equivalence
  * feat: add database migration for base\_model column on model pricing table
  * chore: upgrade core to 1.4.1
  * feat: add database migration for routing\_engine\_used column on logs table
</Update>

<Update label="governance" description="1.4.20">
  * feat: cross-provider model matching - budget/rate-limit configs for `gpt-4o` now apply to `openai/gpt-4o`, `gpt-4o-2024-08-06`, etc.
  * feat: expand GovernanceData with ModelConfigs and Providers for in-memory reads
  * feat: added routing rules for dynamic routing of requests based on predefined rules
  * feat: add model and provider level governance - set budgets and rate limits on specific models or providers independent of virtual keys
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="jsonparser" description="1.4.19">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="litellmcompat" description="0.0.9">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="logging" description="1.4.19">
  * feat: add routing engine used to log entries
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="maxim" description="1.5.18">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="mocker" description="1.4.19">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="otel" description="1.1.19">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="semantic_cache" description="1.4.18">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
</Update>

<Update label="telemetry" description="1.4.20">
  * chore: upgrade core to 1.4.1 and framework to 1.2.19
  * feat: add routing engine used to telemetry metrics
</Update>