The way I read it, they have no plans in 2015/2016.
Longer-term, we plan to incrementally replace components in Gecko with ones written in Rust and shared with Servo. We are still evaluating plans to ship Servo as a standalone product, and are focusing on the mobile and embedded spaces rather than a full desktop browser experience in the next two years.
Longer-term, we plan to incrementally replace components in Gecko with ones written in Rust and shared with Servo. We are still evaluating plans to ship Servo as a standalone product, and are focusing on the mobile and embedded spaces rather than a full desktop browser experience in the next two years.
https://github.com/servo/servo/wiki/Roadmap