Sorting LiteLLM GitHub issues by difficulty to implement. Higher = harder.

{
#27518 requires tracing and repairing callback lifecycle integration across the Anthropic proxy route, while preserving behavior across endpoint variants and adding broader regression coverage. #34926 is comparatively localized to request-parameter filtering/forwarding in one native API path.
}
https://github.com/berriai/litellm/issues/27518 3:1 https://github.com/berriai/litellm/issues/34926