> Yeah, but binary dependencies or watt-style precompiled macros aren't going to get improve the build times people really care about, incremental build times.

> Yeah, but binary dependencies or watt-style precompiled macros aren't going to get improve the build times people really care about, incremental build times. Why not? If I add a new struct with `#[derive(serde::Serialize)]` I'll benefit from serde being compiled with optimizations. > they break developer flow more than waiting on CI does Eh, depends.