It definitely isn't at the level of Typescript adoption, even relatively speaking. And it's more clunky than Typescript. But it works well enough to be valuable.
There is also work to settle on an inline form of RBS so I could see it taking over from Sorbet annotations in the future.
It definitely isn't at the level of Typescript adoption, even relatively speaking. And it's more clunky than Typescript. But it works well enough to be valuable.