Hello guys!
I have an issue with releases via MacOS beta. Since I have updated to 15.0, it now only supports Xcode 16+, which is obviously beta. But we cannot upload builds via beta Xcode. So we need a working stable version. But the last stable version is 15.4, so it is not supported by MacOS 15.0.
How can I release builds with this version?
You can't, your best bet is boot from an external SSD with Sonoma on it and Xcode 14, or if you have enough space left on your internal SSD to partition it and install Sonoma on it.
As the other comment says, you can't... you can also try Xcode Cloud. Your developer subscription includes some hours. That's what I've been doing, working great.