Tuesday, September 8, 2026

NSToolbar in Golden Gate

John Brayton:

NSTrackingSeparatorToolbarItem adds a white band over the top of the leading split view panes when in full screen mode on macOS 27 [beta 3]. That white band appears to have the height of the toolbar.

He says this was fixed in Beta 4.

John Brayton:

macOS 27 developer beta 5 (26A5406e) introduces a bug that causes a white bar to appear over window content if the window’s toolbar has an NSTrackingSeparatorToolbarItem. I filed FB24266969 with Apple describing this.

Steve Troughton-Smith:

NSSearchToolbarItem has been screwed last minute in Catalyst with less than a month to go? Cool, cool…

That’s the kind of thing that can halt my release plans entirely 🫠

Ron Elemans:

Also screwed up in AppKit, with the macOS 27 beta 5 release.

Also, the titlebarSeparatorStyle setting seems to be ignored. Toolbars in beta 5 always have a separator line and a blurred slightly lighter background.

Weirdly enough Apple’s own apps don’t have these issues.

John Brayton:

In macOS 27 developer beta 5, search fields in toolbars (NSSearchToolbarItem instances) have their placeholder text, search strings, and magnifying glass icons vertically off-center. I reported this as FB24286690.

Mario Guzmán:

Beta 6 also fixes the UI issues with NSSearchToolbarItem. Elements are now re-aligned again, the recents menu is in a good position, and the focus ring is perfectly outlining the entire bounds. :D

Previously:

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