What Is the Difference Between macOS Sierra and High Sierra?

Is Mac High Sierra outdated?

Apple released macOS Big Sur 11 on November 12, 2020. … As a result, we are now phasing out software support for all Mac computers running macOS 10.13 High Sierra and will end support on December 1, 2020.

Is macOS High Sierra any good?

High Sierra is far from Apple’s most exciting macOS update. … It’s a solid, stable, functioning operating system, and Apple is setting it up to be in good shape for years to come. There are still a ton of places that need improvement — especially when it comes to Apple’s own apps.