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

{
The right-side work is broader: it requires coordinated changes across virtual-key configuration, request validation, routing behavior, precedence rules, compatibility, and extensive proxy-level testing. The left-side work is a more localized async streaming error-path fix with targeted regression coverage.
}
https://github.com/berriai/litellm/issues/22966 3:1 https://github.com/berriai/litellm/issues/28216