I’ve added a post to the 1.0.10 notification thread to give a brief summary of what to expect from Playing Techniques and Expression Maps in 1.0.10: Dorico 1.0.10 update now available - Dorico - Steinberg Forums
Please be aware that this is an area of the application that is rapidly evolving, but is still at an early stage. Don’t expect to load in your VSL expression maps from Cubase and it will ‘just work’ – we’re some way off that yet! We’ll be doing a lot of work in this area in future updates, so please watch this space.