Zstandard in Rust: workplan
Supporters & funders
Work on zstd started in July 2025. The first milestone is the decompression portion of the library.
Now the decompression is in development, we're seeking funding for the encoder. Please get in touch with us, if you are interested in financially supporting the development of memory-safe zstd.
In progress milestones
Milestone 1: Decoder implementation
This milestone adds API-compatible zstd decompression functionality.
- Initial c2rust translation
- Improving the code quality of the translated code
- Testing & fuzzing
- Deliverable: experimental release of the zstd library (libzstd-rs-sys)
This work is supported by Chainguard and Astral.
Milestone 2: dictBuilder
- Implementation of the dictBuilder feature
- Deliverable: release of the zstd library (libzstd-rs-sys) including the dictBuilder feature
This work is supported by Sovereign Tech Agency.
Milestone 3: Publish decoder
- Improving the performance of the translated code
- Documentation
- Deliverable: Release of the zstd library (libzstd-rs-sys)
- Deliverable: Publish the crate containing the C interface and a C dynamic library that is API-compatible
This work is supported by NLnet Foundation.
Future work
Milestone 4: Encoder implementation
This milestone adds API-compatible zstd compression.
- Improving the code quality of the translated code
- Improving the performance of the translated code
- Testing & fuzzing
- Audit
- Create release and publish crates
Please contact us if you are interested in supporting this milestone; see trifectatech.org/support.
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