Cargo Features

nannou_timeline has no features set by default.

[dependencies]
nannou_timeline = { version = "0.18.0", features = ["serde1"] }
serde1 = serde

Enables pitch_calc and time_calc

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

serde serde1?