* [https://github.com/mozilla/sccache/ sccache], compiler cache with s3 storage. Caching C++ and Rust compilation, used in Firefox CI
* [https://github.com/luser/rust-makecab makecab], reimplementation of Microsoft's makecab tool. Used to compress PDB files before uploading to symbol server in Firefox CI.
=== In Progress ===
* IPDL Parser: {{bug|1316754}}
= Blockers and obstacles =