Story
macOS 26 breaks custom DNS settings including .internal
1 report
1 website
1 discussion
Latest report
Overview
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.
Summary from gist.github.com.
Reports
One report so far. Additional coverage will appear here when it is linked to this story.
Community reactions
Each reaction summarizes sampled comments from the linked discussion.
Hacker News · gist.github.com
Historical count: 5 · 5 saved in sample · Historical sample
Analysis ready
Read this discussion’s reaction
Based on 5 sampled comments from this thread. Analyzed 2026-03-19.
- Praise: Using *.localhost for local web development simplifies DNS management, allowing for easier access to local resources without additional configuration, which can enhance developer productivity.
- Concern: macOS 26 introduces significant breaking changes that complicate app development, such as restrictions on brightness settings for displays, which directly impacts user experience and functionality.
- Concern: The reliance on LLMs for bug reports raises concerns about accuracy and validation, potentially leading to mistrust in the reporting process and delaying necessary fixes.