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

{
Model-group composition requires cross-referencing and resolving nested configuration, defining routing and inheritance semantics, preventing cycles, and updating validation and broad test coverage. The other change is more localized to initialization readiness, retry handling, and recovery behavior.
}
https://github.com/berriai/litellm/issues/28125 3:2 https://github.com/berriai/litellm/issues/26237