Thanks for your message.
We’re aware about your tempo/signature track and the feature request is included on our list.
Cubasis is made by a small team and we carefully evaluate features and their costs before setting up the scope for upcoming updates in regards to our roadmap.
While I’m not able to give you a date when to expect the feature, please note that it is on our list.
We will also add your request and recommendations regarding transferring Cubase projects to Cubasis.