is your keyboard having trouble with the new ios 15 update for your iPad Pro?
I have a CHESONA iPad Pro 11 Case 2020 with Keyboard, iPad Pro 11 Keyboard, 5-in-1 USB-C Hub, 7 Color Backlit - Pencil Holder - Smart Magic Keyboard for 11-inch iPad Pro (2020/2018 2nd/1st Generation), Black
worked fine before the update now it does work with the new update.
iPad Pro 11-inch Wi-Fi, Cellular