The plan here sounds very open source oriented, which is promising & IMHO what it will take for Harmony to have staying power. But it feels like a kind of tumltous time for Harmony. Open Harmony and others feels like they're more than somewhat being left behind as Huawei advances a seemingly re-proprietarized HarmonyOS NEXT. Right when Harmony seemed to be coming into it's own, it feels torn. https://en.m.wikipedia.org/wiki/HarmonyOS_NEXT
There's very few guides or experience out there on using Open Harmony. Huawei really seemed to have capture the Harmony market, and their recent sudden shift to proprietary is a huge barrier to this early OS keeping traction forwards. It's unclear how Open Harmony or other open source Harmony's are going to proceed. I hope they can create some good