macOS 27 won’t be supporting Intel anymore
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Re: macOS 27 won’t be supporting Intel anymore
#2Related? "Apple will phase out Rosetta 2 in macOS 28" https://news.ycombinator.com/item?id=45692116 24-oct-2025 335 comments
Re: macOS 27 won’t be supporting Intel anymore
#3executive decision
Re: macOS 27 won’t be supporting Intel anymore
#4I hope they keep around the underpinnings for Rosetta 2 (without the macOS parts) just to keep supporting Intel virtualization for things like Docker. Heck then anyone who really needs to run some old Intel app can run a virtualized older version of macOS.
But I wonder if they're eager to drop support for the Intel TSO memory model from their CPUs.
Re: macOS 27 won’t be supporting Intel anymore
#5This seems less about why it won't be supporting Intel and more about why Rosetta 2 will be going away, which seems mostly related to cleaning up code that is no longer necessary once Intel is not supported.
Re: macOS 27 won’t be supporting Intel anymore
#6I hope they keep around the underpinnings for Rosetta 2 (without the macOS parts) just to keep supporting Intel virtualization for things like Docker. Heck then anyone who really needs to run some old Intel app can run a virtualized older version of macOS. But I wonder if they're eager to drop support for the Intel TSO memory model from their CPUs.
Apple will keep Rosetta 2 support for Intel virtualization. See https://developer.apple.com/documentation/apple-silicon/abou...
Re: macOS 27 won’t be supporting Intel anymore
#7I hope they keep around the underpinnings for Rosetta 2 (without the macOS parts) just to keep supporting Intel virtualization for things like Docker. Heck then anyone who really needs to run some old Intel app can run a virtualized older version of macOS. But I wonder if they're eager to drop support for the Intel TSO memory model from their CPUs.
I read somewhere that the part that allows a virtual machine to use Rosetta inside the VM is sticking around.
MacOS on ARM can't directly virtualize an Intel OS using Rosetta today using the native virtualization framework, you need something like qemu for that. But you can use an ARM linux VM with the Rosetta framework installed internally to run x86 containers, which is I think how docker desktop and similar alternatives are handling it.
Re: macOS 27 won’t be supporting Intel anymore
#8Bad headline. This tweet attempts to explain why Rosetta 2 will no longer work. Which is because the OS no longer supports the Intel platform. That does not explain why the OS does not support the Intel platform.
Re: macOS 27 won’t be supporting Intel anymore
#9The official statement from Apple (emailed to developers 10 days ago) is that macOS 27 is the “final release to support Rosetta”, so the title is a bit off.
They also say:
> Please note that Rosetta functionality for older, unmaintained gaming titles that rely on Intel-based frameworks will continue to be supported.
I interpret that to mean just enough of Rosetta and Intel frameworks will continue to be around, at least for macOS 28. Not specified which ones, or whether it stays any longer than that.
I’m pretty curious of what that will look like exactly, because there’s a fair amount of system frameworks/libraries needed to get to a bare minimum “hello world” AppKit app. Add on top any number of other frameworks that might be used by “older, unmaintained” games that Apple sees fit to keep supporting. Does this ensure OpenGL is kept on life support? Will they consider Wine important enough to support, perhaps even after they drop native Intel games?
Re: macOS 27 won’t be supporting Intel anymore
#10I bet it must feel good for the macOS engineers to remove the intel support. Probably much easier to do development for the OS as well