Cargo Features

[dependencies]
speech-dispatcher = { version = "0.16.0", default-features = false, features = ["0_11", "0_10", "0_9"] }
default = 0_11

The 0_11 feature is set by default whenever speech-dispatcher is added without default-features = false somewhere in the dependency tree.

0_11 default = 0_10
0_10 0_11
0_9

speech-dispatcher has 4 features without comments.