The speaker said Warp appeared to perform adequately with Swift, Rust, Go, and other languages, despite objections that training data would be insufficient for good performance.

“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”