Why is TSD deprecated?

Question

Official tsd annouced that tsd is deprecated and recommend using typings instead. Why is TSD deprecated? What is the difference between tsd and typings. What is the advantage of typings?

Turbid

"This improvement has effectively make TSD maintenance redundant..." – Sounds like reason enough...?! – Skilling

Answer 1

From the first link you provided:

TSD link is flawed and not really a solid long-term solution - as it relies on ambient modules, causes duplicate identifiers and generally forces users to re-install sub-dependencies

From the second link: why

And so on: Typings, the Registy and Versions

Tipster