multipart-v0.8.0

flydelabs/flydemultipart-v0.8.0Jun 21, 2026by JohnTitor

AI Summary

The actix-multipart package introduces new testing utilities and robustness improvements, including support for complex field types and a buffer limit to prevent unbounded memory growth on malformed inputs.

Key Highlights

Added multi-field multipart payload builders to actix_multipart::test
Added MultipartForm support for Option<Vec<T>> fields
Implemented a 64KB buffer limit to prevent unbounded memory growth on malformed bodies
Fixed user-triggerable panic when parsing multipart boundaries

Breaking Changes

Buffer limit introduced for multipart parsing (behavioral change)

New Features

Added MultipartConfig::buffer_limit to configure buffer size

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