Same case as Rust then. Currently backed by Mozilla, with lots of big companies using it too. IIRC the most famous case is Dropbox. Rust has unique features tha

Same case as Rust then. Currently backed by Mozilla, with lots of big companies using it too. IIRC the most famous case is Dropbox. Rust has unique features that make it very attractive. I'd say Go has unique features too (e.g. uniformity of code style). Having unique features means the language will probably live on even if the current maintainers step down. D doesn't bring anything new to the table, that's why it's not as relevant.