It's 1.0.0 in the dev branch. According to the semver spec --

> Given a version number MAJOR.MINOR.PATCH, increment the:
>
> MAJOR version when you make incompatible API changes,
> MINOR version when you add functionality in a backwards-compatible manner, and
> PATCH version when you make backwards-compatible bug fixes.

This seems like an incompatible API change, no?