multipart-v0.8.0

reacherhq/check-if-email-existsmultipart-v0.8.0Jun 21, 2026by JohnTitor

AI Summary

This release introduces multi-field payload builders, updates the Minimum Supported Rust Version (MSRV) to 1.88, and limits internal parser buffering to prevent unbounded memory growth.

Key Highlights

Added multi-field multipart payload builders to test
Added MultipartConfig::buffer_limit to control buffering
Minimum supported Rust version is now 1.88
Fixed user-triggerable panic when parsing multipart boundaries

Breaking Changes

Internal multipart parser buffering is now bounded (64KB cap) to prevent unbounded memory growth

New Features

MultipartForm support for Option<Vec<T>> fields

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