CI: upgrade macOS runners #206
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GitHub is retiring its macOS 13 runner image, and has released
a macOS 26 image in public preview. It's time to upgrade.
While we are at it:
* replace macos-15 by macos-15-intel, in order to keep at least one
macOS/Intel in our CI
* replace GCC 14 (already tested on Ubuntu) by GCC 15
* replace Clang 18 (already tested on Ubuntu) by Clang 20
The version coverage of our CI workflow is changed as this:
macOS: 13–15 → 14–26
gcc: 13–14 → 13–15
clang: 18 → 18,20
tenox7
approved these changes
Oct 5, 2025
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GitHub is retiring its macOS 13 runner image, and has released a macOS 26 image in public preview. It's time to upgrade.
While we are at it:
replace macos-15 by macos-15-intel, in order to keep at least one macOS/Intel in our CI
replace GCC 14 (already tested on Ubuntu) by GCC 15
replace Clang 18 (already tested on Ubuntu) by Clang 20
The version coverage of our CI workflow is changed as this:
Edit: Note that macOS versions use an “interesting” numbering scheme, where 15 is immediately followed by 26. Thus, the version range 14–26 means “14, 15 and 26”.