- Sources: post, HN discussion
- Summary: Apple positioned macOS 27 as a release focused on responsiveness and polish rather than features, and this catalogue of defects found in ordinary daily use argues it did not land. The item with direct developer consequence is a menu bar architecture change in this release, which the author reports broke a number of third-party menu bar management apps and introduced menu bar crashes. Other reported defects include a System Settings search bar that intermittently stops working, links clickable only briefly, miscalculated window sizes, window controls disappearing, stale assets such as a prior-year Mac User Guide and an old Siri logo, and a full system hang requiring a forced restart when using the eyedropper in the Colours window.
- Why it matters: The menu bar change is the part worth acting on for anyone shipping a Mac utility, while the author states they went looking for bugs after noticing the first few, so this is a bug catalogue rather than a measured defect rate.
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