zopu-code/repos/effect-smol/.changeset/fix-openapi-generator-form-urlencoded.md

@effect/openapi-generator

@effect/openapi-generator
patch

Support application/x-www-form-urlencoded request bodies in httpclient output format. Previously, form-urlencoded request bodies were silently dropped, producing operations with no payload parameter. The generator now emits HttpClientRequest.bodyUrlParams for these endpoints, matching the existing pattern for multipart/form-data (bodyFormData) and application/json (bodyJsonUnsafe). The httpapi format was already handling this content type correctly.