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I don't know what boot environment this is emulating exactly, but it looks like a straightforward OVMF, presumably hacked up with HFS+ support and a bunch of Ap

I don't know what boot environment this is emulating exactly, but it looks like a straightforward OVMF, presumably hacked up with HFS+ support and a bunch of Apple extensions to make macOS boot. In that case, running Mavericks should be no problem. I'd have thought Snow Leopard should also run, at least in K64 mode (64-bit kernel), but I've not tried it in a long time and don't recall if there were any gotchas. Note also that software support is now pretty weak for these old releases - you struggle to find any modern web browsers that still run, for example.

Wowfunhappy 7y ago
> Note also that software support is now pretty weak for these old releases - you struggle to find any modern web browsers that still run, for example. In my fantasy land, I would browse the web with Firefox ESR 45.9.0, which as of this moment is recent enough to be mostly usable. Other than that, I feel like software support would be a mixed bag. Newer apps wouldn't work, but I'd gain compatibility with older apps that are broken on modern macOS. And since it looks like more and more future apps are just going to be bizarre iOS ports with alien UIs...
- jannes 7y ago
  If you are running a PowerPC you can use this pretty up-to-date Firefox fork: https://www.floodgap.com/software/tenfourfox/ https://www.floodgap.com/software/tenfourfox/
  - Wowfunhappy 7y ago
    Thanks, I would love it if something like this existed for Intel processors.
    - Wowfunhappy 7y ago
      Oh, Intel builds exist! https://sourceforge.net/projects/tenfourfox/files/unstable/contrib/ https://sourceforge.net/projects/tenfourfox/files/unstable/c... They're "unsupported", but, uh, so is Snow Leopard in 2019.
      - Wowfunhappy 7y ago
        And yet another option: Arctic-Fox https://github.com/wicknix/Arctic-Fox https://github.com/wicknix/Arctic-Fox Massive kudos to the developers maintaining this stuff, it's all lovely!

Wowfunhappy 7y ago

> Note also that software support is now pretty weak for these old releases - you struggle to find any modern web browsers that still run, for example. In my fantasy land, I would browse the web with Firefox ESR 45.9.0, which as of this moment is recent enough to be mostly usable. Other than that, I feel like software support would be a mixed bag. Newer apps wouldn't work, but I'd gain compatibility with older apps that are broken on modern macOS. And since it looks like more and more future apps are just going to be bizarre iOS ports with alien UIs...

jannes 7y ago
If you are running a PowerPC you can use this pretty up-to-date Firefox fork: https://www.floodgap.com/software/tenfourfox/ https://www.floodgap.com/software/tenfourfox/
- Wowfunhappy 7y ago
  Thanks, I would love it if something like this existed for Intel processors.
  - Wowfunhappy 7y ago
    Oh, Intel builds exist! https://sourceforge.net/projects/tenfourfox/files/unstable/contrib/ https://sourceforge.net/projects/tenfourfox/files/unstable/c... They're "unsupported", but, uh, so is Snow Leopard in 2019.
    - Wowfunhappy 7y ago
      And yet another option: Arctic-Fox https://github.com/wicknix/Arctic-Fox https://github.com/wicknix/Arctic-Fox Massive kudos to the developers maintaining this stuff, it's all lovely!