The most serious problem affected users who had set the “Show scroll bar” entry to “Always” in the system-wide appearance settings and also selected “Show status bar” in the display menu. In Tahoe up to version 26.2, in this case the scroll bars cover the handles for changing the column width (MacTechNews reported). Under macOS 26.3, these handles have been moved up one line – from now on, the horizontal scroll bar no longer covers the two vertical lines that lie above the window.
Apple’s solution to the problem: The column handles slide up one line.
New inconsistencies
The result is a bit ugly (because the scroll bar area still covers the lowest list entries), but it works. This becomes problematic for users who do not have the status bar displayed: the handles float in the middle of the window and the scroll bars end too high up.
Without the status bar, the bottom end of the scroll bar floats in space.
Corner handles moved inwards – a little
Apple’s release notes for the update mention another issue that Apple addressed: the draggable area in the Finder corners (for adjusting the window size) remained the same, while the radius of the corner increased. This meant that the area that users could click to resize was almost entirely outside the window. Apple’s UI designers have made improvements, but only a tiny bit: Only a very narrow area within the window is still clickable and draggable. The majority of the click target remains outside the window.
A few more pixels and it’s over again: the draggable area covers a maximum of half of the gray window edge in the lower left corner. In the area above and to the right nothing works anymore.