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Support Tiers: document future macOS support

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Let's provide a clear roadmap of what we plan to support, not and
when we plan to make these changes.

Co-authored-by: Sam Ford <1584702+samford@users.noreply.github.com>
Co-authored-by: Eric Knibbe <enk3@outlook.com>
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Mike McQuaid 2025-08-18 20:36:38 +01:00
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@ -87,6 +87,8 @@ Tier 3 configurations include:
- installing deprecated or disabled formulae
- devices using OpenCore Legacy Patcher with an Intel CPU older than Westmere
We build a Portable Ruby for some Tier 3 supported configurations.
## Unsupported
An unsupported configuration is one in which:
@ -97,7 +99,7 @@ An unsupported configuration is one in which:
Unsupported configurations include:
- FreeBSD
- macOS 10.6
- Mac OS X 10.6
- Beowulf clusters
- Nokia 3210s
- CPUs built inside of Minecraft
@ -110,3 +112,28 @@ All packages installed from third-party taps outside of the Homebrew GitHub orga
We may assist the maintainers/contributors/developers of such packages to fix bugs with the Homebrew formula/cask/tap system, but we are not responsible for resolving issues when using that software.
Bugs that only manifest when using third-party formulae/casks may be closed.
## Future macOS Support
Apple has announced that macOS Tahoe 26 will be the last version of macOS that runs on Intel x86_64.
As a result, Homebrew will also drop macOS Intel x86_64 support in a future release.
Here's the timescale for planned future Tier support:
- Today (August 2025):
- Tier 1: macOS Sequoia 15, Sonoma 14, Ventura 13 on Apple Silicon and Intel x86_64
- Tier 2: macOS Tahoe 26
- Tier 3: macOS El Capitan 10.11 - Monterey 12
- Unsupported: OS X Yosemite 10.10 and earlier
- September (or later) 2025:
- Tier 1: macOS Tahoe 26, Sequoia 15, Sonoma 14 on Apple Silicon and Intel x86_64
- Tier 3: macOS Catalina 10.15 - Ventura 13
- Unsupported: macOS Mojave 10.14 and earlier
- September (or later) 2026:
- Tier 1: macOS 27, Tahoe 26, Sequoia 15 on Apple Silicon
- Tier 3: macOS Big Sur 11 - Sonoma 14 on Apple Silicon, macOS Big Sur 11 - Tahoe 26 on Intel x86_64
- Unsupported: macOS Catalina 10.15 and earlier
- September (or later) 2027:
- Tier 1: macOS 28, macOS 27, macOS Tahoe 26 on Apple Silicon
- Tier 3: macOS Monterey 12 - Sequoia 15 on Apple Silicon
- Unsupported: macOS Big Sur 11 and earlier on Apple Silicon, macOS on Intel x86_64