Source (in Chinese).
Currently, owners of the Honor 30, 30 Pro and 30 Pro+ together with the Honor V30 and V30 Pro can look for a HarmonyOS 2 beta upgrade to test out the new system and give their feedback. The Honor Play4 Pro and the Honor V6 tablet (just the one with model number KRJ-W09, KRJ-AN00A) are also on the list.
Honor might be an independent company now, however the phones launched before its split are still being supported by Huawei. Now, a lot of those have been contributed to the HarmonyOS 2 public beta eligibility list.
It looks like Huawei will have the ability to reach its goal of 100 million devices running HarmonyOS by the end of this year seeing that more than 80 million are already receiving their HarmonyOS.