In the platform source code repository Android A version of the Gabeldorsh (GD) Bluetooth stack, rewritten in Rust, has been posted. Details about the project are currently unavailable, only the build instructions are available. The stack used in Android Binder interprocess communication mechanism.

It is noteworthy that in parallel for the Fuchsia OS, another Bluetooth stack is being developed, for the development of which the Rust language is also used. Moreover, a new networking stack Netstack3 is written for Fuchsia in Rust.
Source: opennet.ru
