macOS 26.3.1 introduces a bug that breaks supplemental DNS resolution for custom TLDs in the /etc/resolver/ configuration. This issue is a regression from the previous version, macOS 25.x 26.3.0, which functioned correctly.
gist.github.com
5 min
3/19/2026
macOS 26.3.1 introduces a bug that breaks supplemental DNS resolution for custom TLDs in the /etc/resolver/ configuration. This issue is a regression from the previous version, macOS 25.x 26.3.0, which functioned correctly.
gist.github.com
5 min
3/19/2026
macOS 26.3.1 introduces a bug that breaks supplemental DNS resolution for custom TLDs in the /etc/resolver/ configuration. This issue is a regression from the previous version, macOS 25.x 26.3.0, which functioned correctly.
gist.github.com
5 min
3/19/2026
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