https://wccftech.com/microsoft-surface-pro-7-thinner-type-cover-accessory/

The Type Cover is one of the best elements of the Surface Pro devices from Microsoft. Generation after generation, the Type Cover keyboard has improved, and it seems that the one that would come with the Surface Pro 7 would be even better. Despite being thin, the accessory is known for being rugged and not compromising on the quality and typing experience. Per a new patent, the next Type Cover keyboard cover would not just be thinner, but also employ a different approach to improving the user experience.

To make the next Surface Type Cover even thinner, Microsoft is apparently considering changing how the trackpad functions. The basic idea is to integrate the trackpad into the circuit board to save space, which would allow the three edges to move freely. Microsoft has also proposed that the input device could include a hardware switch that can create a click feel.