…colas-grekas)This PR was merged into the 6.1 branch.Discussion----------[HttpClient] Improve default content-type handling| Q             | A| ------------- | ---| Branch?       | 6.1| Bug fix?      | no| New feature?  | yes (minor)| Deprecations? | no| Tickets       | -| License       | MIT| Doc PR        | -This improves the default behavior of handling the content-type header: with this PR, when an array is passed as body, the content-type is forced to `application/x-www-form-urlencoded`.This allows setting a content-type in the default options and have it overridden when passing an array as body.Spotted while reviewing#45791, where the proposed behavior would have allowed a cleaner patch.Commits-------91099a9 [HttpClient] Improve default content-type handling