[IMPORTANT] Submit your PI Requests for Firefox 69 QA feature testing by May 31

Similar to what QA did for previous Firefox feature testing prioritization , we would like to do the same for Fx69. In order to help with the process, please *submit your pi-request

Fwd: Enable cargo pipelining to speed up Firefox builds

Hi, The Rust compiler and cargo have a very new feature called "pipelining". This feature increases the amount of parallelism available when building a multi-crate Rust project by overlapping the compilation of dependent crates. For more details on how it works, and lots of measurements, see this