Yes, several, e.g., Gleam, Mojo, Hare, Carbon, C3, Koka, Jai, Kotlin, Reason ... and r/ProgrammingLanguages is chock full of people working on new languages that might or might not ever become more widely known ... it takes years and a lot of resources and commitment. Zig and Rust are well known because they've been through the gauntlet and are well marketed ... there are other languages in productive use that haven't fared well that way, e.g., D and Nim (the best of the bunch and highly underappreciated), Odin, V, ...
> even those languages haven't taken over much of the professional world.
Non sequitur goalpost moving ... this has nothing to do with whether language development is a dead-end "in the real world", which is a circular argument when we're talking about language development. The claim is simply false.
> even those languages haven't taken over much of the professional world.
Non sequitur goalpost moving ... this has nothing to do with whether language development is a dead-end "in the real world", which is a circular argument when we're talking about language development. The claim is simply false.