Cargo Features

switchboard-solana-macros has no features set by default.

[dependencies]
switchboard-solana-macros = { version = "0.2.3", features = ["all", "dotenv"] }
all = dotenv
dotenv all? = dotenvy

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.

dotenvy dotenv?