---
title: "v1.86.6 - DB Resilience, Passthrough & Dependency Backports"
url: "/release_notes/v1.86.6/v1-86-6"
canonical_url: "https://docs.litellm.ai/release_notes/v1.86.6/v1-86-6"
type: "release-notes"
last_updated: "2026-10-09"
related:
  - "/release_notes/v1.86.7/v1-86-7"
  - "/release_notes/v1.86.5/v1-86-5"
---
# v1.86.6 - DB Resilience, Passthrough & Dependency Backports

> Index of all LiteLLM docs: https://docs.litellm.ai/llms.txt

## Deploy this version

**Docker**

```bash
docker run \
-e STORE_MODEL_IN_DB=True \
-p 4000:4000 \
docker.litellm.ai/berriai/litellm:1.86.6
```

**Pip**

```bash
pip install litellm==1.86.6
```

`v1.86.6` is a patch release on top of [`v1.86.5`](/release_notes/v1.86.5/v1-86-5). It brings the 1.84.8 database-resilience and passthrough set onto the 1.86 line, adds the budget-reservation toggle, hardens Anthropic streaming logging, and refreshes dependencies.

### What's Changed

- fix(router): use forwarded model_id for native Azure container IDs - [PR #27921](https://github.com/BerriAI/litellm/pull/27921)
- fix(proxy): expose Prisma idle/connect timeout and extra DB URL params - [PR #28395](https://github.com/BerriAI/litellm/pull/28395)
- feat(proxy): add `disable_budget_reservation` general setting - [PR #29493](https://github.com/BerriAI/litellm/pull/29493)
- fix(proxy): recover from cached-plan errors by reconnecting the Prisma client - [PR #29983](https://github.com/BerriAI/litellm/pull/29983)
- feat(proxy): add option to disable server-side prepared statements for DB lookups - [PR #29984](https://github.com/BerriAI/litellm/pull/29984)
- fix(proxy): return 5xx on DB infra errors during auth; reserve 401 for genuine auth failures - [PR #29986](https://github.com/BerriAI/litellm/pull/29986)
- fix(passthrough): resolve costing model when body model is unknown - [PR #30160](https://github.com/BerriAI/litellm/pull/30160)
- fix(passthrough): skip `[DONE]` sentinels and non-JSON SSE frames in Anthropic streaming logging - [PR #30202](https://github.com/BerriAI/litellm/pull/30202)
- fix(proxy): return deprecated-key lookup result directly in get_data combined view - [PR #30327](https://github.com/BerriAI/litellm/pull/30327)
- chore(deps): bump pypdf, tornado, the aiohttp constraint, vitest, and brace-expansion - [PR #30220](https://github.com/BerriAI/litellm/pull/30220)

## Full Changelog

https://github.com/BerriAI/litellm/compare/v1.86.5...v1.86.6

## Related pages

- [v1.86.7](https://docs.litellm.ai/release_notes/v1.86.7/v1-86-7.md)
- [v1.86.5](https://docs.litellm.ai/release_notes/v1.86.5/v1-86-5.md)