Crate features / png
Feature flags · png 0.18.1 · from crates.io 2026-10-24
png features: what each one does, and the line to copy
Short answerpng 0.18.1 has 3 features. Nothing is on by default: turn on what you use. It needs Rust 1.73 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
benchmarks | nothing else (a switch the code checks) | |
unstable | crc32fast/nightly | |
zlib-rs | flate2/zlib-rs |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version png declares (rust-version), and the release that changed it:
- 0.17.9 (2023-06-10): Rust 1.57
- 0.18.0-rc (2025-03-03): Rust 1.65
- 0.18.0-rc.3 (2025-07-02): Rust 1.73
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p png --precise <version>, or use resolver 3, which picks compatible versions for you.
More on png
Real downloads, dependents and alternatives: png crate data (1M real downloads a day, 1,264 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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