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Typescript does indeed do frequent releases, though they're not nearly as ambitious as Scala 3.0.

A Typescript release usually has 1-3 exciting new features, and a number of smaller bug fixes and improvements.

Correct, but collectively, between now and 2020 it's almost certain in aggregate, Typescript will have significantly more `features` than Scala 3.0, and they will have the benefit of being used and iterated upon for 2+ years.

Like many things, the utility of a language can actually decrease as you add more things on to it. Both Scala and Go take a principled approach of only accepting heavily vetted features.

The time it takes to develop a feature is very rarely the bottleneck.

There are developer releases through 2019 as well.

So it's not like it won't be used until 2020.

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