why this package is not update?

i know maybe you think this is a spam , but i want to know why this great package is mute ?
it is very good package and if it's failed , so i can't trust to write test with it ,
thank you so much @chenglou

The issue names no files, tests, reproducible failure, or concrete change. Start by reviewing the repository history and current package status; done would require a maintainer decision about maintenance or a specific failure to investigate.

Written by the indexing model from the issue text.