Cargo Features

winreg has no features set by default.

[dependencies]
winreg = { version = "0.52.0", features = ["transactions", "serialization-serde", "chrono"] }
transactions serialization-serde?
serialization-serde = serde, transactions

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.

chrono implicit feature

Enables chrono

chrono:

Date and time library for Rust

serde serialization-serde?