Reportedly, Huawei continues to develop new foldable smartphones, having recently released the P50 Pocket. However, the company is rumoured to be working on a Mate X2 successor, currently thought of as the Mate X3. Supposedly, Huawei may release two versions of the Mate X3, mirroring the P50 Pro.
https://www.notebookcheck.net/Next-generation-Huawei-Mate-X-foldable-smartphone-details-emerge.609467.0.html