v4.0.0rc1

⚠️ This is a release-candidate version of the next major release of SimPhoNy. This version has not yet been thoroughly tested, and its functionality is not yet fully documented. Unless you are explicitly looking to try this version, please head to the latest stable release.

A summary of what changed since the last major version will be made available with the final release. Meanwhile, you may check the commit history since the last commit common to this and the stable release.