What's Changed

• Port multi-encoder to master using predicates by @velo in #3527
• Generate the flattened feign-bom POM under target by @velo in #3531
• Add MultiDecoder to select a decoder per response by @velo in #3528
• Apply review feedback to the multi-encoder and multi-decoder surface by @velo in #3534
• Bump mvnd wrapper to 1.0.6 to fix broken 1.0.2 download URL by @velo in #3557
• Decode kotlin.Unit suspend return values to Unit.INSTANCE instead of null by @velo in #3558
• Encode Gson request bodies using the runtime class by @tanvir-ux in #3535

New Contributors

• @tanvir-ux made their first contribution in #3535

What's Changed

• Honor jdk.httpclient.allowRestrictedHeaders in Http2Client (#2975) by @seonwooj0810 in #3419
• escape crlf and quotes in multipart Content-Disposition headers by @alhudz in #3417
• fall back to utf-8 for invalid content-type charset by @alhudz in #3427
• Make Expressions max length configurable (fixes #2916) by @seonwooj0810 in #3422
• Preserve delegate content type for multipart parameters by @seonwooj0810 in #3382
• cap Content-Length before narrowing to int in Http2Client by @alhudz in #3431
• generate multipart boundary from SecureRandom by @alhudz in #3429
• strip crlf from multipart Content-Type header by @alhudz in #3432
• Return response body in FeignException from errorReading (#2618) by @seonwooj0810 in #3415
• treat invalid expression value modifier as a literal by @alhudz in #3437
• encode collection values in urlencoded form bodies by @alhudz in #3436
• encode soap request body with the configured charset by @alhudz in #3433
• cap negative Content-Length in GoogleHttpClient and DefaultClient by @renechoi in #3492
• Avoid converting empty GET bodies to POST by @hutiefang76 in #3463
• Support deflate request encoding in HC5 by @kmdy7991 in #3464
• Close JavaLogger file handlers by @hutiefang76 in #3468
• honour response charset in StringDecoder by @alhudz in #3453
• honour response charset in gson and jackson iterator decoders by @alhudz in #3447
• Let capabilities supply response interceptors by @hutiefang76 in #3446
• strip crlf from resolved header template values by @alhudz in #3444
• encode string request body with utf-8 not the platform default by @alhudz in #3442
• honour requested charset in okhttp response body reader by @alhudz in #3441
• Fix duplicate Content-Length handling in DefaultClient by @hutiefang76 in #3448
• Add HTTP QUERY method support (RFC 10008) by @kumarprabhashanand in #3454
• clear response body length after gzip/deflate decode by @alhudz in #3445
• Fix fluent methods on cloned builders by @hutiefang76 in #3449
• Add GraphQL subscription support over graphql-transport-ws by @velo in #3512
• Avoid default Content-Type on POST/PUT/PATCH with empty body by @seonwooj0810 in #3507
• Flatten feign-bom so imports do not override consumer dependency management by @kalayciburak in #3508
• Decode every root field of a GraphQL operation by @velo in #3526
• avoid duplicate Content-Length header in DefaultClient by @alhudz in #3451
• Apply JAXB factory properties when creating unmarshallers by @arimu1 in #3519
• Skip bridge methods in contract parsing and map them for dispatch by @AzazelSensei in #3517

What's Changed

• Add MethodInterceptor extension point with feign-validation and feign-http-cache modules by @velo in #3346
• Fix Slf4jLogger and JavaLogger returning unbuffered response when logging disabled by @loadkrnis in #3172
• Add custom tags support to Metrics5Capability Allows users to pass a… by @cexes in #3320
• Document metrics published by the micrometer module by @seonwooj0810 in #3370
• Forward dismiss404 from CoroutineFeign builder to AsyncFeign by @seonwooj0810 in #3371
• Only unwrap declared checked causes with UNWRAP by @young0264 in #3359
• Publish feign-bom as a real module so it auto-deploys to Central by @velo in #3384
• Fix flaky vertx http2NoConnectionLeak test by using h2c prior knowledge by @velo in #3385
• fix: prevent Content-Length smuggling, log format-string injection, and common-pool starvation by @velo in #3395
• [issue #2998] Expose uriTemplate in RequestTemplate by @Dainerx in #3393
• Open observation scope and stop on non-FeignException errors by @seonwooj0810 in #3407
• Avoid ClassLoader leak from static default async executor (#3178) by @seonwooj0810 in #3394
• Fix feign-core test compilation broken by removed Request.create overload by @seonwooj0810 in #3406
• revert: move Request.Body streaming breaking changes off master, they belong to 14.x by @velo in #3409
• guard numeric retry-after against long overflow by @alhudz in #3405
• [Issue 1487] Fix ErrorDecoder not invoked for Apache HttpClient checked exceptions by @gitshabh in #3338

What's Changed

• feat(form): enhance UrlencodedFormContentProcessor to support CollectionFormats in key-value pairs by @yvasyliev in #3286
• feat(graphql-apt): honor @deprecated schema directive with class/method overrides by @velo in #3315

Full Changelog: 13.11...13.12

What's Changed

• Add Codec/JsonCodec, Capability interceptor enrichment, and GraphqlCapability by @velo in #3271
• Fix GraphqlDecoder Optional record fields and non-nullable list nulls by @velo in #3272
• Simplify GraphqlDecoder convertWithOptionalSupport by @velo in #3273
• Delegate Optional record field handling to Jackson by @velo in #3274
• Add parameterized test for GraphQL Optional field decoding across codecs by @velo in #3275
• Add useAliasForFieldNames to graphql-apt for alias-aware naming by @velo in #3276

Full Changelog: 13.10...13.11

What's Changed

• Validate required GraphQL variables at compile time by @velo in #3268
• Add Optional wrapping, type/field annotations, and type overrides for GraphQL APT by @velo in #3269

Full Changelog: 13.9.3...13.10

What's Changed

• build(deps): Bump mockito.version from 5.21.0 to 5.22.0 by @dependabot[bot] in #3248
• build(deps): Bump org.apache.felix:maven-bundle-plugin from 6.0.0 to 6.0.2 by @dependabot[bot] in #3249
• fix: validate BOM has dependencies before publishing by @velo in #3251

Full Changelog: 13.9.2...13.9.3

What's Changed

• feat: Generate nested result types as inner records in graphql-apt by @velo in #3247
  • When a GraphQL schema contains nested object types (e.g., Order { customer: Customer }), the annotation processor now generates them as inner records instead of requiring separate top-level classes

Full Changelog: 13.9.1...13.9.2

What's Changed

• build(deps): Bump maven-surefire-plugin.version from 3.5.4 to 3.5.5 by @dependabot[bot] in #3235
• build(deps): Bump jackson.version from 2.21.0 to 2.21.1 by @dependabot[bot] in #3236
• build(deps): Bump tools.jackson:jackson-bom from 3.0.4 to 3.1.0 by @dependabot[bot] in #3238
• build(deps): Bump jakarta.xml.ws:jakarta.xml.ws-api from 4.0.2 to 4.0.3 by @dependabot[bot] in #3239
• feat: extract JsonDecoder interface to decouple graphql from Jackson by @velo in #3240
• Extract inner Default classes to standalone top-level classes by @velo in #3237
• build(deps): Bump org.openrewrite.recipe:rewrite-migrate-java from 3.27.1 to 3.28.0 by @dependabot[bot] in #3241
• build(deps-dev): Bump org.openrewrite.maven:rewrite-maven-plugin from 6.29.0 to 6.30.0 by @dependabot[bot] in #3242
• build(deps): Bump org.openrewrite.recipe:rewrite-testing-frameworks from 3.27.0 to 3.28.0 by @dependabot[bot] in #3243
• Add japicmp-maven-plugin for API compatibility checks by @velo in #3244
• Remove feign-example-github dependency from apt-test-generator by @velo in #3246

Full Changelog: 13.9...13.9.1

What's Changed

• fix: unwrap single object from GraphQL array response by @velo in #3234
  • When a GraphQL query returns an array type but the Java method declares a single return type (not List<T>), the decoder now automatically unwraps the first element
  • Added Optional<T> return type support for GraphQL queries
• fix: exclude example modules from release deploy by @velo
• fix: use --serial for mvnd release deploy to prevent partial publishes by @velo

Full Changelog: 13.8.1...13.9