Cargo Features

[dependencies]
pallet-finality-tracker = { version = "2.0.1", default-features = false, features = ["std"] }
default = std

The std feature is set by default whenever pallet-finality-tracker is added without default-features = false somewhere in the dependency tree.

std default

Enables std of parity-scale-codec ^1.3.4, frame-support ^2.0.0, frame-system ^2.0.0, serde, sp-finality-tracker, sp-inherents ^2.0.0, sp-runtime ^2.0.0, and sp-std ^2.0.0

serde:

Provide impls for common standard library types like Vec<T> and HashMap<K, V>.
Requires a dependency on the Rust standard library.

pallet-finality-tracker has 2 features without comments.