Docs or QA. If you find bugs that you’re able to test, it can be helpful to add a comment whether you were able to validate it or not. A lot of times basic information is missing, like screenshots, logs, and versions. This means step one for the maintainer is probing for more info

Doesn’t work properly on Graphene OS most of the time

You joke but for the visually impaired that is absolutely a service in demand. Check out Be My Eyes if you want to volunteer

Humans. Not a joke. Computers can generate a best guess, but they don’t hold a candle to human understanding and expression