Crate features / html5ever
Feature flags · html5ever 0.40.1 · from crates.io 2026-10-24
html5ever features: what each one does, and the line to copy
Short answerhtml5ever 0.40.1 has 2 features. Nothing is on by default: turn on what you use. It needs Rust 1.85 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
serde | markup5ever/serde | |
trace_tokenizer | nothing else (a switch the code checks) |
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 html5ever declares (rust-version), and the release that changed it:
- 0.29.1 (2025-02-04): Rust 1.70.0
- 0.36.1 (2025-11-12): Rust 1.71.0
- 0.40.0 (2026-09-11): Rust 1.85
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p html5ever --precise <version>, or use resolver 3, which picks compatible versions for you.
More on html5ever
Real downloads, dependents and alternatives: html5ever crate data (506.3K real downloads a day, 380 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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