Instead of properly fixing the Liquid Glass implementation of NSToolbar buttons in macOS 27 Golden Gate, Apple decided to simply place an ugly, semi-transpar... (opens in new tab)

Instead of properly fixing the Liquid Glass implementation of NSToolbar buttons in macOS 27 Golden Gate, Apple decided to simply place an ugly, semi-transparent macOS 15-ish background bar behind the buttons, which makes Liquid Glass completely useless in the toolbar.