HarmonyOS will be available for up to 48 devices, Huawei Central believes. The 48-strong list includes current and recent flagship series, including those from Honor. Only 90% of devices will be eligible to try HarmonyOS, though.
https://www.notebookcheck.net/Huawei-is-expected-to-bring-HarmonyOS-to-up-48-devices.504072.0.html