Pull requests are welcome.
This is the project with guidelines, which describes the steps of how to improve home ecosystem. That's why the main thing is to test it on own Raspberry Pi before push the patch. It must be real experience of using some program/approach/smart-thing. All the patches will check this features before merge the changes.
It can be everything related to smart home and home ecosystem. It can be issues, marked as good first issue. These issues are created for contributing.