The speaker said Warp worked well with languages beyond JavaScript and React and that he had used it for all his programming work except JavaScript.

“between different native environments and people said the training set's not there it won't perform and sure enough warp seems fine at holding swift or rust or go or anything you're trying i think that's the big thing is it's really good at languages outside of just javascript and react which seems to be the zeitgeist for all these other tools but i've been using it for everything but javascript”