The last new significant thing invented in programming was OOP in the 1990s.
Everything else is just ancient, OOP was about bringing the benefits of micro-services to single computer environments. Yes, you read that right
The new ECS system for 3d games was used by the first computer drawing program Sketchpad in 1963.
Programming is mostly just recycling ideas around and around.
> The last new significant thing invented in programming was OOP in the 1990s.
OOP is from the 1960s (Simula 67 is generally recognized as the first OOP language.) Probably not actually the last new significant thing invented in programming, though.
Isn't Guido the one who came up with type hints spec and made the reference implementation (Mypy)?