macOS 11, running on Apple Silicon, refuses to run any unsigned application. Right-clicking and choosing "Open" no longer works, though it still works fine on macOS 11 running on an Intel CPU. https://github.com/Homebrew/brew/issues/9082 I think this means that Mozilla needs to start signing ARM64 tryserver builds. Otherwise it won't be possible to run an ARM64 tryserver build on Apple Silicon without getting your own personal signing certificate from Apple, and using that to sign the build. For a real life example of this, see bug 1690604 comment 6. Builds made using `mach build` are already signed in some fashion. Even ARM64 builds, made this way, run fine on Apple Silicon machines. So it wouldn't be too much of a stretch to start signing at least some tryserver builds. In fact I don't see why they can't all be signed. But that's not what this bug is about.
Bug 1693422 Comment 0 Edit History
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macOS 11, running on Apple Silicon, refuses to run any unsigned application. Right-clicking and choosing "Open" no longer works, though it still works fine on macOS 11 running on an Intel CPU. https://github.com/Homebrew/brew/issues/9082 I think this means that Mozilla needs to start signing macOS ARM64 tryserver builds. Otherwise it won't be possible to run such a build on Apple Silicon without getting your own personal signing certificate from Apple, and using that to sign the build. For a real life example of this, see bug 1690604 comment 6. Builds made using `mach build` are already signed in some fashion. Even ARM64 builds, made this way, run fine on Apple Silicon machines. So it wouldn't be too much of a stretch to start signing at least some tryserver builds. In fact I don't see why they can't all be signed. But that's not what this bug is about.