Crate features / flatbuffers
Feature flags · flatbuffers 25.12.19 · from crates.io 2026-10-24
flatbuffers features: what each one does, and the line to copy
Short answerflatbuffers 25.12.19 has 2 features. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.51 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
serialize | serde | |
std | yes | 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 flatbuffers declares (rust-version), and the release that changed it:
- 25.12.19 (2025-12-19): Rust 1.51
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p flatbuffers --precise <version>, or use resolver 3, which picks compatible versions for you.
More on flatbuffers
Real downloads, dependents and alternatives: flatbuffers crate data (315.9K real downloads a day, 204 dependents).
Security record: flatbuffers advisories.
docs.rs feature list · crates.io · license Apache-2.0 · edition 2018
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