Now available as a public beta, macOS Tahoe (version 26) is set to be the most spectacular and useful upgrade to Apple’s desktop operating system in the last decade. It not only looks better than ever, thanks to the Liquid Glass design overhaul, but it also introduces convenient calling and messaging enhancements, super-efficient keyboard shortcuts, and unprecedented Spotlight features that make it a productivity marvel. Here are the biggest changes in macOS 26: -Apple's Liquid Glass software design ushers in a spectacularly more attractive (but potentially distracting) interface. -The iOS Phone app arrives with the Hold Assist feature that lets you focus on something else while the app silently waits for a live agent to pick up. -Spotlight gains hundreds of helpful ways to search for data and perform complex actions. -The automated Shortcut feature gets new conveniences formerly available only to advanced users who were comfortable with the AppleScript scripting language. -Calls...