v1.18.6

What's Changed

1.[Feat] litellm.acompletion() make Langfuse success handler non blocking by @ishaan-jaff in #1519

• The Langfuse Success Callback was blocking running litellm.acompletion() calls. fixed on this release
• Support for logging Cache Hits on Langfuse:
  support for tagging cache_hits on Langfuse
  (note you need langfuse>=2.6.3

2. Langsmith: Add envs for project/run names; fix bug with None metadata by @timothyasp in #1524

[Feat] Router improvements by @ishaan-jaff in #1525

3. Allow overriding headers for anthropic by @keeganmccallum in #1513

• fix(utils.py): add metadata to logging obj on setup, if exists (fixes max parallel request bug) by @krrishdholakia in #1531

4. test(tests/): add unit testing for proxy server endpoints by @krrishdholakia in f5ced08

• fix(proxy_server.py): users can now see their key info by @krrishdholakia in f5ced08
• fix(proxy_server.py): model info now restricts for user access by @krrishdholakia in f5ced08

New Contributors

• @timothyasp made their first contribution in #1524
• @keeganmccallum made their first contribution in #1513

Full Changelog: v1.18.5...v1.18.6