bifrost Releases

May 27, 2026

This is an enterprise release (ent-v1.4.4-base) of Bifrost that includes a new session API, Helm chart update to 2.1.18 with modelParametersUrl support, various bug fixes, and security hardening. The release also updates documentation for Claude Code authentication and adds configuration flexibility for connections.

May 26, 2026

This release introduces significant Azure API v1 migration, comprehensive OTel observability enhancements including environment variable support and semantic convention alignment, and multiple bug fixes for Bedrock, streaming, and UI components.

May 26, 2026

This release adds environment variable support for PushGatewayURL and BasicAuth credentials in the telemetry plugin, along with implementing the ConfigMarshallerPlugin interface for enhanced configuration handling.

May 26, 2026

This is a maintenance release for the semanticcache plugin that upgrades core dependencies to v1.5.13 and framework dependencies to v1.3.13. No new features or breaking changes are included in this release.

May 26, 2026

This is a maintenance release for the prompts plugin that upgrades the core dependency to v1.5.13 and framework dependency to v1.3.13. No new features or breaking changes are included in this release.

May 26, 2026

This release adds environment variable support for key configuration options (CollectorURL, MetricsEndpoint, and headers) and implements ConfigMarshallerPlugin for storage/redaction round-trips. It also aligns OTel attribute keys with the OpenTelemetry GenAI semantic conventions spec while retaining legacy gen_ai.* emissions in parallel.

May 26, 2026

This is a maintenance release for the mocker plugin that updates core dependencies to v1.5.13 and framework dependencies to v1.3.13. No new features or breaking changes are documented in this release.

May 26, 2026

This is a maintenance release for the maxim plugin (v1.6.13) that upgrades the core dependency to v1.5.13 and the framework dependency to v1.3.13. No new features or breaking changes were introduced in this release.

May 26, 2026

This logging plugin release v1.5.13 includes a critical fix to prevent log loss during shutdown by draining pending entries with a 30-second budget, and a refactor that changes error handling behavior for `GetAvailable*` methods to return wrapped errors instead of silently logging and returning empty slices.

May 26, 2026

This release adds support for OpenAI's new Responses API streaming format (ResponsesStreamRequest) to the jsonparser plugin, expanding beyond the existing chat completions support. The update also includes an end-to-end test for the Responses stream with json_object format.

May 26, 2026

This is a bug fix and code refactoring release for the governance plugin that restores the blocked models create/edit UI functionality in the provider config sheet and improves code quality by using the standard library's slices.Contains function.

May 26, 2026

This is a maintenance release for the compat plugin that upgrades the core dependency to v1.5.13 and the framework dependency to v1.3.13, ensuring compatibility with the latest Bifrost core and framework versions.

May 26, 2026

This framework release v1.3.13 includes two new features related to quota management and authentication, along with two bug fixes for materialized views and one maintenance task. The release adds ProviderConfigs with budgets and rate limits to virtual key quota queries and introduces a new client config flag for MCP temp token authentication control.

May 26, 2026

This core release v1.5.13 includes significant provider improvements including Azure provider migration to v1 API, a new ConfigMarshallerPlugin interface for plugin config control, and OpenTelemetry attribute alignment with GenAI semantic conventions. The release also contains numerous bug fixes for Bedrock (cache, response conversion, reasoning blocks, passthrough), Gemini tool schema, and Anthropic tool handling.

May 26, 2026

May 25, 2026

Bifrost HTTP Transport v1.5.4 introduces virtual key enhancements including model blocking at the provider-config level and user attribution tracking, along with MCP log attribution for usage tracing. The release also includes 12 bug fixes covering streaming, metrics, and UI improvements, plus a breaking change that reverts the virtual key access_profile_id direct access profile assignment feature.

May 22, 2026

This is a maintenance release for the telemetry plugin that upgrades the core dependency to v1.5.12 and the framework dependency to v1.3.12. No new features or breaking changes are documented in this release.

May 22, 2026

This is a routine maintenance release for the semanticcache plugin that upgrades internal dependencies. The core library was updated to v1.5.12 and the framework was updated to v1.3.12, ensuring compatibility with the latest Bifrost infrastructure.

May 22, 2026

This is a maintenance release for the prompts plugin that upgrades the core dependency to v1.5.12 and the framework dependency to v1.3.12. No new features or breaking changes are explicitly mentioned in this release.

May 22, 2026