They're talking about this section in particular: https://github.com/tc39/proposal-unified-class-features#decorators https://github.com/tc39/proposal-unified-cl

They're talking about this section in particular: https://github.com/tc39/proposal-unified-class-features#decorators https://github.com/tc39/proposal-unified-class-features#deco... Where decorators are sugar for higher order functions, even capable of `Class -> Class` transformation, which makes them much different from Java annotations.