Following the ban by the US on Huawei, the Chinese company lost a number of its certifications, leaving it unable to use technologies like Wi-Fi, Bluetooth, and SD cards on its future device. The company has now been reinstated by the relevant bodies, however, and is now also back on the official Android Q Beta page.
https://www.notebookcheck.net/Hope-for-the-masses-as-Huawei-gets-a-number-of-its-recently-lost-smartphone-licences-back.422722.0.html