> ## 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.

# v1.5.1

> v1.5.1 changelog - 2026-05-12

<Tabs>
  <Tab title="NPX">
    ```bash theme={null}
    npx -y @maximhq/bifrost --transport-version v1.5.1
    ```
  </Tab>

  <Tab title="Docker">
    ```bash theme={null}
    docker pull maximhq/bifrost:v1.5.1
    docker run -p 8080:8080 maximhq/bifrost:v1.5.1
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.5.1">
  ## ✨ Features

  * **Azure Entra Auth** - Added `client_id`, `client_secret`, `tenant_id`, `scopes` fields to the Azure transport schema and made `api_version` optional (#3284)
  * **UBI9 Docker Builds** - Added UBI9 amd64/arm64 Docker build and multi-arch manifest jobs to the release pipeline (#3324)
  * **Configurable Matview Refresh** - Added `matviewRefreshInterval` config option and bumped the bifrost chart to 2.1.15 (#3329, #3386)
  * **Per-dimension Matviews** - Split `mv_logs_filterdata` into per-dimension matviews and added filterdata response caching with single-flight (#3288)
  * **Dimension-scoped Filters** - Added `?dimensions=` parameter for filter data endpoints with a time-window hybrid matview gate and scoped dimension fetching for log and MCP filter sidebars (#3327, #3328)
  * **x-bifrost-* Response Headers*\* - Surface routed identity (provider, model, key alias, etc.) as `x-bifrost-*` response headers (#3280) (thanks [@Edward-Upton](https://github.com/Edward-Upton)!)
  * **Normalized Model Names** - `ListModels` response now includes a `normalized_name` parameter (#3372)
  * **Azure Blob Batch Storage** - Added Azure blob storage fields for the batch API (#3318)
  * **WS Tickets Without Storage** - WebSocket tickets are now issued without backing storage (#3361)
  * **MCP Log Detail & Object Storage** - Added MCP log detail endpoint with object-storage payload offload, batch logging for MCP, and detail view in the UI (#3350, #3351, #3352, #3353, #3354)
  * **Retry Count Metric** - Added a number-of-retries metric to OTEL and telemetry plugins (#3392)
  * **Cached Token Details in OTEL** - Added cached token details for the Responses API in OTEL exports (#3293)
  * **Bedrock Region from Model Name** - Region is now extracted from the model name when passing through Bedrock models (#3301)
  * **ListModels Removed From Rate Limit/Quota** - Governance no longer invokes ListModels for rate limit and quota checks (#3304)
  * **JSON Log Detail Rendering** - JSON text content is now rendered as formatted code in the log detail view (#3373)
  * **x-operation-id Approval** - Added approval flow for operation IDs (#3360)
  * **Prometheus Plugin Cleanup** - Removed system metrics from the prometheus plugin and added additional types (#3306)

  ## 🐞 Fixed

  * **PostgreSQL `\u0000` Sanitization** - Sanitize `\u0000` from JSON before PostgreSQL jsonb storage and list queries (#3332)
  * **Lock-safe Matview Maintenance** - Use batched updates, `CONCURRENTLY` indexes, and advisory locks for matview and migration maintenance (#3380)
  * **pg\_advisory\_lock Retry+Timeout** - Replaced blocking `pg_advisory_lock` with retry+timeout to prevent indefinite startup hangs (#3308)
  * **Empty MCP Config** - Return an empty MCP config instead of `nil` when no clients are found (#3387)
  * **Gemini Image Size Casing** - Removed lowercase normalization on image size in Gemini image requests (#3385)
  * **Bedrock Reasoning Display** - Reasoning display shorthand and set `display=summarized` for Responses on Bedrock (#3379)
  * **Gemini JSON Schema for Vertex** - Normalize JSON Schema union types for Vertex compatibility (#3150)
  * **RDB Deadlock Fixes** - Resolved deadlocks in the rate-limit DB path (#3376)
  * **xhigh Effort Mapping** - Added xhigh effort mapping for GPT 5.4+ (#3369)
  * **Plugin Trace-Attribute Flow** - Updated `context.SetTraceAttribute` flow across all plugins (#3368)
  * **Opus 4.7 Reasoning Default** - Default `display=summarized` for Opus 4.7 reasoning (#3375)
  * **Gemini Video Download** - Fixed video download for the Gemini provider (#3366)
  * **Claude Code Native Converters Fallback** - Fallback to native converters for Claude Code when an output format is set on the Vertex messages API (#3321)
  * **Gemini `tokenCount` Always Included** - Always include `tokenCount` in Gemini modality usage details (#3349) (thanks [@R-droid101](https://github.com/R-droid101)!)
  * **Tool Choice Any in GenAI** - Handle `tool_choice=any` in the GenAI roundtrip (#3315)
  * **OTEL `anyOf` Schema** - OTEL plugin now uses `anyOf` instead of `oneOf` to correctly validate `host:port` format for the gRPC schema (#3297)
  * **scim\_config Keycloak Alignment** - Aligned `scim_config` schema with the documented Keycloak provider (#3346) (thanks [@lornest](https://github.com/lornest)!)
  * **Docker Volume Path** - Aligned Docker volume with the configured app directory (#3348) (thanks [@EzgiTastan](https://github.com/EzgiTastan)!)
  * **OAuth Flow Preservation** - Don't clear `oauthFlow` on OAuth error (#3326)
  * **MCP OAuth Window Null** - Fixed MCP OAuth window null issue (#3359)
  * **Governance Video/Passthrough Types** - Updated video and passthrough request types in governance that do not require a model field (#3283)
  * **Custom Provider Sheet Layout** - Custom provider sheet header and footer are now sticky with proper padding and a scrollable content area (#3285)
  * **Empty Filter Section Visibility** - Prevent filter sections from hiding when opened with empty data (#3258)
  * **Config JSON Client Credentials** - Restored client id and secret in the config JSON output (#3284)
</Update>

<Update label="Core" description="1.5.9">
  * fix: remove lowercase on image size in gemini image requests (#3385)
  * fix: reasoning display short hand and set display summarized in responses bedrock (#3379)
  * fix(gemini): normalize JSON Schema union types for Vertex compatibility (#3150)
  * feat: xhigh effort mapping for GPT 5.4+ (#3369)
  * chore: updates context.SetTraceAttribute flow for all plugins (#3368)
  * fix: default to display summarized in opus 4.7 reasoning (#3375)
  * feat: adds normalized\_name parameter to the response of ListModels (#3372)
  * feat: fields for azure blob storage in batch api (#3318)
  * fix: video download for gemini provider (#3366)
  * feat: extracts region from model name while passing bedrock models (#3301)
  * feat: removes ListModels call from rate limit and quota check (#3304)
  * fix: always include tokenCount in Gemini modality usage details (#3349) (thanks [@R-droid101](https://github.com/R-droid101)!)
  * fix: handle tool choice any in genai roundtrip (#3315)
  * feat: adds cached token details in Responses API in OTEL exports (#3293)
  * chore: harness test related changes (#3391)
</Update>

<Update label="Framework" description="1.3.9">
  * fix: sanitize \u0000 from JSON before PostgreSQL jsonb storage and list queries (#3332)
  * feat: add configurable matview\_refresh\_interval for PostgreSQL logs store (#3329)
  * feat: add custom filter values and scoped dimension fetching for logs and MCP filter sidebars (#3328)
  * fix: use batched updates, CONCURRENTLY indexes, and advisory locks for lock-safe matview and migration maintenance (#3380)
  * feat: add ?dimensions= param to filter data endpoints and use time-window hybrid matview gate for aggregate counts (#3327)
  * perf: split mv\_logs\_filterdata into per-dimension matviews and add filterdata response caching with single-flight (#3288)
  * fix: return empty MCP config instead of nil when no clients found (#3387)
  * fix: rdb deadlock fixes (#3376)
  * chore: updates context.SetTraceAttribute flow for all plugins (#3368)
  * feat: ws-tickets without storage (#3361)
  * feat: add batch logging to mcp logs similar to llm logs (#3354)
  * feat: offload MCP logs to object storage (#3353)
  * feat: add MCP log object payload helpers (#3352)
  * feat: adds cached token details in Responses API in OTEL exports (#3293)
  * fix: replace blocking pg\_advisory\_lock with retry+timeout to prevent indefinite startup hangs (#3308)
</Update>

<Update label="compat" description="0.1.8">
  * chore: upgraded core to v1.5.9 and framework to v1.3.9
</Update>

<Update label="governance" description="1.5.9">
  * fix: rdb deadlock fixes (#3376)
  * feat: removes ListModels call from rate limit and quota check (#3304)
  * fix: update video and passthrough request types in governance which do not require model field (#3283)
</Update>

<Update label="jsonparser" description="1.5.9">
  * chore: upgraded core to v1.5.9 and framework to v1.3.9
</Update>

<Update label="logging" description="1.5.9">
  * feat: add batch logging to mcp logs similar to llm logs (#3354)
  * feat: add MCP log detail endpoint (#3350)
</Update>

<Update label="maxim" description="1.6.9">
  * chore: upgraded core to v1.5.9 and framework to v1.3.9
</Update>

<Update label="mocker" description="1.5.9">
  * chore: upgraded core to v1.5.9 and framework to v1.3.9
</Update>

<Update label="otel" description="1.2.9">
  * feat: add number of retries as a metric (#3392)
  * feat: adds cached token details in Responses API in OTEL exports (#3293)
</Update>

<Update label="prompts" description="1.0.9">
  * chore: upgraded core to v1.5.9 and framework to v1.3.9
</Update>

<Update label="semanticcache" description="1.5.9">
  * chore: upgraded core to v1.5.9 and framework to v1.3.9
</Update>

<Update label="telemetry" description="1.5.9">
  * feat: add number of retries as a metric (#3392)
  * feat: removes system metrics from prometheus plugin and adds some more needed types (#3306)
</Update>