@Zanie Per the discussion on https://github.com/PrefectHQ/prefect/issues/8080 - I have just submitted a PR for make a setting for Uvicorn keep alive timeout (keeps the default setting of 5 seconds per Uvicorn documentation). We have also added a setting for making the backoff delay (default is still 30) configurable when concurrency slots are full. The changes are very simple and straight forward. I do not see what test cases I can add for these, please let me know if you have any suggestions.

Hi! Thanks for the pull request! I’ve replied there.