TypeScript is now the #7 language on GitHub.
Matz has said that a major goal of Ruby 3.0 is optional static types [3].
Facebook has reportedly ported large amounts of their PHP code to Hack, which adds static types to PHP.
[1]: https://docs.python.org/3/library/typing.html
[2]: https://octoverse.github.com/projects#languages
[3]: https://blog.heroku.com/ruby-3-by-3
Indeed grafting types onto python, ruby, and even php seems more likely than people stopping using.
TypeScript is now the #7 language on GitHub.
Matz has said that a major goal of Ruby 3.0 is optional static types [3].
Facebook has reportedly ported large amounts of their PHP code to Hack, which adds static types to PHP.
[1]: https://docs.python.org/3/library/typing.html
[2]: https://octoverse.github.com/projects#languages
[3]: https://blog.heroku.com/ruby-3-by-3