Ubuntu 19.04 and 19.10 use the same version of BlueZ so I doubt that's the issue. Are you able to try some different kernel versions?
https://kernel.ubuntu.com/~kernel-ppa/mainline/ ** Package changed: bluez (Ubuntu) => linux (Ubuntu) ** Tags added: eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853567 Title: Bluetooth keyboard after upgrade consumes rapidly battery To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853567/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs