[andyhmltn]

>- Quite often when using unreleased APIs, you turn to using "any" all over the place.

What unreleased APIs are you needing to warrant this? We've used any a couple times, but usually just as a placeholder until the data model is locked down.

>- Development time is slower than writing in regular JS/React. This started to become a major issue due to the nature of our project being a prototype (fast iterations on ideas and features).

Again, I can't say I've had this experience. Development time is _initially_ a tiny bit slower, but once you've setup types, the time saved from fixing type related issues adds up very very fast. Also, autocomplete / autoimporting has actually sped up my development time hugely. Not having to worry about figuring out relative paths or imports and just being able to type a component to import it is magic.

>- Lots of frustration when a package doesn't have types (although most major ones do have them).

This is true, but I've found that 95% of the packages we use do have types. The few that don't, tend to be very small indie packages that don't do a lot, so the lack of types isn't a huge issue.