This is most likely the final feature addition on the version 0.3 line.

• Feature Addition
  • Added "index windows" functions (numeric windows with the effective block size)
• Future-proof changes
  • Preparation for Serde integration and the custom linter (specific to this crate; both in development)
• Other minor changes

Crates.io: https://crates.io/crates/ffuzzy/0.3.10
Docs.rs: https://docs.rs/ffuzzy/0.3.10/ssdeep/

Full Changelog: v0.3.9...v0.3.10