Yesterday I released v3.1.0a1 of the REUSE tool. It is an alpha release for the soon-to-be-released REUSE Specification v3.2, which can be found in its current state at this link.
The biggest change is the introduction of REUSE.toml, a configuration file that replaces the soft-deprecated .reuse/dep5. This configuration file allows you to declare the copyright and licensing of files (and globs of files) relative to the file. The important distinctions from .