[quote='860281022, RickMaddy, /thread/787500?answerId=860281022#860281022, /profile/RickMaddy'] where does this all stand? [/quote] For a summary of the current state of the issues being discussed in this thread, see my 27 Aug 2025 reply. However, your questions extend beyond that, so let’s dig in. [quote='860281022, RickMaddy, /thread/787500?answerId=860281022#860281022, /profile/RickMaddy'] is there any viable way for a solo developer with one Mac to develop and test a macOS app that runs on more than one version of macOS? [/quote] Yes. As marco.masser suggested, you can boot your Mac into older versions of macOS and test there. I want to stress that, while VMs are super useful, they are not a substitute for testing on real hardware [1]. VMs have limits: Some are bugs, as we’ve been discussing on this thread. Some of them are absent features. Of these, the lack of TestFlight support is the most critical. I’ll come back to that below. Some of them are just fundamental to VMs. For example, if you’re building
Topic:
Code Signing
SubTopic:
Certificates, Identifiers & Profiles
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