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@adi-code adi-code commented Jan 26, 2026

This PR updates reqwest (v0.13) and reqwest-middleware (v0.5) dependencies (closes #22621). It aims to replace PR #22630 - I tried to contribute to that PR, but I didn't hear back from the author. I hope this approach is fine, I'm dedicated to actively updating this PR until it's merged.

Changes introduced with reqwest 0.13 are described here: https://seanmonstar.com/blog/reqwest-v013-rustls-default/

  • query() and form() methods require "query" and "form" features
  • BREAKING: Upgraded reqwest-middleware from ^0.4 to ^0.5 for reqwest 0.13 compatibility
  • BREAKING: Renamed feature rustls-tls to rustls to match reqwest 0.13's renamed feature

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Summary by cubic

Upgrade Rust client generator to reqwest 0.13 and reqwest-middleware 0.5, enabling query and form features and aligning TLS feature names. This keeps generated clients current and resolves type conflicts with middleware. Fixes #22621.

  • Dependencies

    • Bump reqwest to ^0.13 and reqwest-middleware to ^0.5 across templates and samples.
    • Enable "query" and "form" features for all client variants (blocking, async, stream).
    • Rename feature "rustls-tls" to "rustls" to match reqwest 0.13.
  • Bug Fixes

    • Rename enum variant to "Shipped" in petstore sample to remove non_camel_case_types warning.

Written for commit be7d3e1. Summary will update on new commits.

emilbonnek and others added 6 commits January 26, 2026 14:26
Update the Rust client generator template to use reqwest 0.13 instead
of 0.12, as requested in issue OpenAPITools#22621.

In reqwest 0.13, the `query()` and `form()` methods have been moved
behind feature flags and are disabled by default. Since the generated
Rust clients extensively use both methods, these features must be
explicitly enabled.

Changes:
- Updated all reqwest dependencies from ^0.12 to ^0.13
- Added "query" and "form" to reqwest feature flags for all variants:
  - Blocking client configuration
  - Async client with file stream support
  - Async client without file stream
  - Reqwest-trait variant
- Updated reqwest-middleware features for consistency

This maintains full backward compatibility as only the dependency
version and features change. The API surface of generated code
remains identical.

Fixes OpenAPITools#22621
In reqwest 0.13, the rustls-tls feature was renamed to rustls.
This updates the Cargo.mustache template and all generated samples
to use the new feature name, fixing CI build failures when using
--all-features flag.
The previous reqwest-middleware 0.4 depends on reqwest 0.12, which caused
type conflicts when upgrading to reqwest 0.13:
- reqwest::Error (from reqwest 0.13)
- reqwest_middleware::reqwest::Error (from reqwest 0.12 via middleware)

These are different types from different versions of reqwest.

reqwest-middleware 0.5 is compatible with reqwest 0.13, resolving the
version conflict. With both using the same reqwest version, the re-exported
types are now correctly aligned.
It adds "query" and "form" features for reqwest-middleware crate in petstore-async-middleware example and Cargo.mustache template.
Fixes this warning:
warning: variant `shipped` should have an upper camel case name
  --> reqwest/petstore/src/models/order.rs:53:5
   |
53 |     shipped,
   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Shipped`
   |
   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
@adi-code
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@wing328 I filed the PR against master, but please let me know if you think 8.0.x will be more relevant. I can also add fallbacks for reqwest 0.12.x.

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No issues found across 21 files

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wing328 commented Jan 26, 2026

I can also add fallbacks for reqwest 0.12.x.

for dependency update, we usually go with the upcoming minor releases, which is v7.20.0

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wing328 commented Jan 26, 2026

can you please merge the latest master into your branch and regenerate the samples again?

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[REQ] [Rust] Build clients with reqwest 0.13

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