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multipart-v0.8.0

Rheosoph/flow-likemultipart-v0.8.0Jun 21, 2026by JohnTitor

AI Summary

Adds multi-field builders and support for `Option<Vec<T>>` fields in `MultipartForm`. Introduces a buffer limit to prevent unbounded memory growth on malformed bodies and bumps the MSRV to 1.88.

Key Highlights

  • Add multi-field multipart payload builders to test module
  • Add `MultipartForm` support for `Option<Vec<T>>` fields
  • Bound internal multipart parser buffering to prevent unbounded memory growth
  • Minimum supported Rust version is now 1.88

New Features

  • Multi-field multipart payload builders
  • MultipartForm support for Option<Vec<T>>
  • MultipartConfig::buffer_limit

Full Release Notes

## 0.8.0

- Add multi-field multipart payload builders to `actix_multipart::test`. [#3575]
- Add `MultipartForm` support for `Option<Vec<T>>` fields. [#3577]
- Bound internal multipart parser buffering to prevent unbounded memory growth on malformed bodies.
  - behavior change notice: There's now a cap for buffering (64KB). It can be changed with `MultipartConfig::buffer_limit`.
- Fix user-triggerable panic when parsing multipart boundaries.
- Minimum supported Rust version (MSRV) is now 1.88.
- Update `rand` dependency to `0.10`.

[#3577]: https://github.com/actix/actix-web/pull/3577
[#3575]: https://github.com/actix/actix-web/issues/3575