And: > Where are the pervasively used compression libraries in Rust? Video and audio codecs? Network stacks? Database engines? System management utilities? PKI

And: > Where are the pervasively used compression libraries in Rust? Video and audio codecs? Network stacks? Database engines? System management utilities? PKI and encryption stacks? All that stuff is still in C. How many of those projects in any language are less than five years old? The ubiquitously used stuff is mostly much older. But among the projects which are that young, Rust has substantial representation.