> ## 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.

# v1.4.18

> v1.4.18 changelog - 2026-03-29

<Tabs>
  <Tab title="NPX">
    ```bash theme={null}
    npx -y @maximhq/bifrost --transport-version v1.4.18
    ```
  </Tab>

  <Tab title="Docker">
    ```bash theme={null}
    docker pull maximhq/bifrost:v1.4.18
    docker run -p 8080:8080 maximhq/bifrost:v1.4.18
    ```
  </Tab>
</Tabs>

<Update label="Bifrost(HTTP)" description="1.4.18">
  ## ✨ Features

  * **Calendar-Aligned Budgets** - Added calendar alignment support for budget periods in governance

  ## 🐞 Fixed

  * **SSE Error Events** - Handle SSE error events for 429 rate-limit and other error status codes during streaming
  * **Anthropic Max Tokens** - Pick max tokens for Anthropic from model params cache instead of hardcoded values
  * **Anthropic Streaming Usage** - Fixed usage token reporting for Anthropic streaming responses
  * **Anthropic Cache Tokens** - Fixed Anthropic cache token reporting in non-streaming responses
  * **Embedding Precision** - Preserved provider precision in embedding responses instead of truncating float values
  * **Provider Caching** - Removed pending marshal-to-map to fix caching issues at provider level
  * **Claude Office Suite** - Fixed support for Claude office suite add-on model routing
  * **Semantic Cache Config** - Hardened direct-only config handling and aligned UI types for semantic cache
  * **Semantic Cache Count Tokens** - Skip unsupported count\_tokens requests in semantic cache plugin
  * **Telemetry Events** - Removed reason field from telemetry events
  * **CORS Headers** - Fixed wildcard allowed headers for CORS
  * **UI Routing Display** - Shows selected virtual key and routing rule in UI
</Update>

<Update label="Core" description="1.4.15">
  * fix: handle SSE error events for 429s and other error status codes during streaming
  * fix: pick max tokens for Anthropic from model params cache
  * fix: fixed Anthropic streaming usage token reporting
  * fix: fixed Anthropic cache token reporting
  * fix: preserved provider precision in embedding responses
  * fix: removed pending marshal-to-map to fix caching issues at provider level
  * fix: fixed support for Claude office suite add-on model routing
</Update>

<Update label="Framework" description="1.2.34">
  * feat: added CalendarAligned budget field, GetCalendarPeriodStart and IsCalendarAlignableDuration helpers
  * fix: pick max tokens for Anthropic from model params cache (model catalog)
  * fix: preserved provider precision in embedding responses (log store)
  * fix: added migration for calendar\_aligned field
</Update>

<Update label="governance" description="1.4.34">
  * feat: snap LastReset to calendar boundary for calendar-aligned budgets
  * feat: added calendar alignment support for budget periods
</Update>

<Update label="jsonparser" description="1.4.33">
  * chore: upgraded core to v1.4.15 and framework to v1.2.34
</Update>

<Update label="litellmcompat" description="0.0.23">
  * chore: upgraded core to v1.4.15 and framework to v1.2.34
</Update>

<Update label="logging" description="1.4.34">
  * chore: upgraded core to v1.4.15 and framework to v1.2.34
</Update>

<Update label="maxim" description="1.5.33">
  * chore: upgraded core to v1.4.15 and framework to v1.2.34
</Update>

<Update label="mocker" description="1.4.33">
  * chore: upgraded core to v1.4.15 and framework to v1.2.34
</Update>

<Update label="otel" description="1.1.33">
  * chore: upgraded core to v1.4.15 and framework to v1.2.34
</Update>

<Update label="semanticcache" description="1.4.32">
  * fix: hardened direct-only config handling and aligned UI types
  * fix: preserved provider precision in embedding responses
  * fix: skip unsupported count\_tokens requests
</Update>

<Update label="telemetry" description="1.4.34">
  * fix: removed reason field from telemetry events
</Update>