Ascii85 is used at run time in 3 crates (of which 1 optionally). It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) Ascii85 version
550 casserole optional ^0.2
serde-llsd ^0.2
trrs ^0.2.1
120 ironcore-alloy dev ^0.2.1