[https://bugzilla.mozilla.org/show_bug.cgi?id=1385403 OOP Extensions for Mac] and [https://bugzilla.mozilla.org/show_bug.cgi?id=1357487 Linux]: We've already shipped out of process extensions for Windows leading to faster page loads and more browser responsiveness. This year we'll catch up on Mac and Linux. (2018)
[https://bugzilla.mozilla.org/show_bug.cgi?id=QUIC QUIC (aka HTTP/3)]: This is the next generation of HTTP protocol, over UDP for lower latency and improved performance. (2018)
[https://bugzilla.mozilla.org/show_bug.cgi?id=1371255 Replace storage.local] implementation: For improved extension performance, we will replace the storage.local implementation with something more efficient. (2018)