Have to add @experimental to my whole project?

I have implemented a cache for functions:

class cached extends MacroAnnotation:

But when I tried to add @cached to old functions, I have to add @experimental to my whole project becasue of the following compiler error:

class cached is marked @experimental and therefore may only be used in an experimental scope.

It there any compiler flags that allow us to skip the @experimental check?

The only way to apply experimental scope to the whole project is to use nightly version of the compiler. No other way to easily skip @experimental check, becouse we don’t want again risk full-blown usage of half-baked features in ecosystem, like with the Scala 2 macros.

Thank you, nightly versions are acceptable for me.