@billylo It isn't working on Beta 4 on Catalina. You got Big Sur? @jeremyhu Still waiting for an update here. I tested this with Beta 4 on Catalina and it's still not possible. Do I need to run Big Sur Beta plus Xcode Beta3+ to get it running on an Intel Mac?

@billylo Do I also have to install Big Sur Beta for this or is it running on Catalina as well?

According to the publicly announced info, the answer is no. To run iOS apps natively on macOS, you need an Apple Silicon Mac running proper version of macOS 11. If you have a Developer Transition Kit, there may be some possibility you could run iOS apps on it in the near future. (Or now, the detail of macOS 11 beta for DTK is not clear.) If not, you may need to wait until Apple Silicon Macs are available. This is definitely not correct. All Macs that run Big Sur will run iOS Apps with Big Sur natively. So: I'm still waiting for an answer from any official apple member, looking at you @jeremyhu

Have you tried just using Xcode 11 on Mac OS 10.15 and use "My Mac" as the deployment target? You don't need to mess around with beta software to build an iOS app for Mac OS. Its an iOS App not a Mac App with a Mac OS deployment target so there is no "My Mac" as the target. And converting it to an MacOS project is not an option. So my question remains: Is this enabled in Beta 2?

Is this enabled in Beta 2?