• Provides configuration for Netty's http client pool leasing strategy #3575
• Support custom registrationId in tokenRelay() for MVC gateway #3541
• Support for SslBundles #2981
• Cache gateway filters to avoid sorting in every single request #2756

• Update Code of Conduct reference #3599

Thank you to all the contributors who worked on this release:

@dependabot[bot], @emmanuel-ferdman, and @pandrez

• [Gateway MVC] Transfer-Encoding added to GET/HEAD requests, causing some WAF errors #3325

• Adds a missing Shortcut annotation to dedupeResponseHeader #3536
• Remove EXPIRES HTTP header from cache #3515
• Fix potential memory leak when using ReadBodyRoutePredicateFactory #3465
• fix: Update HeaderRoutePredicateFactory to use getValuesAsList #3447
• Server Side event Responses from a server behind Spring-cloud-gateway-server-mvc #3410
• Adding circuitBreaker filter in mvc throws IllegalArgumentException #3327
• [Gateway MVC] ERR_HTTP2_PROTOCOL_ERROR if HTTP/2 enabled #3326

• [online-docs][4.1.5] 404 from link to properties #3500
• Fix documentation examples to compile #3427
• Improve documentation (add reference of HttpClientCustomizer) #2623

Thank you to all the contributors who worked on this release:

@abelsromero, @jensmatw, @jivebreaddev, @ohprettyhak, @qnnn, and @tungj

• Use new Spring Boot http client autoconfiguration framework #3571
• Remove concatMap in lookupRoute to improve throughput #3291

• ProductionConfigurationTests tests failing with framework 6.2.0-RC2 #3562

Thank you to all the contributors who worked on this release:

@dependabot[bot] and @dukbong

• Fixes gh-308: ability to turn off a route without removing #3026
• add QPS, Latency etc metrics to grafana template #3014
• Add a method to nest boolean predicates #2598
• [gh-2288] Fix for redis rate limiter not working with multiple routes #2517

• Add a note about retry filter behavior in documentation #3534
• add alarm template for spring cloud gateway #3019

Thank you to all the contributors who worked on this release:

@dependabot[bot], @jmilktea, @maoling, @muchnik, @puffnfresh, @qnnn, @sullis, and @usrivastava92

• change refresh endpoint to return 202 ACCEPTED #2964

Thank you to all the contributors who worked on this release:

@FelipeAdorno

• ProxyExchange fails with "IOException: insufficient data written" with boot 3.2 #3154

• Make client response input stream available in request attribute #3405

• Synchronize routes cache update #3408

Thank you to all the contributors who worked on this release:

@abelsromero

• Remove Origin header when forwarding #3357
• Class 'org.springframework.cloud.gateway.route.builder.RouteDslKt' is compiled by a pre-release version of Kotlin and cannot be loaded by this version of the compiler #3333

• add note to discover location documentation about spring cloud load balancer #3348
• server-mvc properties are not included in documentation #3337

Thank you to all the contributors who worked on this release:

@spikymonkey and @wind57

• Add properties to disable filters if needed #3310
• Make WeightCalculatorWebFilter random supplier aware of ServerWebExchange #3298
• Spring cloud gateway MVC : add parameters to disable adding Forwarded header #3238
• Make STRATEGY_KEY public in DedupeResonseHeader filter #3203
• Gateway Server MVC support for AOT #3171
• Update dashboard to Grafana 9.x #3136
• Allow forcing order of filters through Java DSL configuration. #3134
• Add a new method that returns a Mono. #2993
• Add option to disable RouteRefreshListener #2958
• Fixes gh-2933 GatewayFilter support @Order annotation #2934
• Add @Order support for GlobalFilter #2805
• [#2720]Improve ReactiveLoadBalancerClientFilter implementation so tha… #2721

• Fix incorrect package identifier in IsoOffsetDateTimeConverter (#3273) #3288
• Using RouterFunctions.route() results in exception #3265
• Gateway MVC: Predicates with multiple values via configuration not working (path, host, etc...) #3252
• Spring gateway MVC - Property : spring.cloud.gateway.x-forwarded.enabled not implemented #3237
• Fix publishEvent RefreshRoutesResultEvent before cache.put #3224
• Declare Bean for the new public KeyValueConverter #3207
• Gateway MVC conflict with spring-boot-devtools #3199
• Allow forward scheme for spring cloud gateway mvc similar to its webflux counterpart for declarative configuration using application properties or yaml #3188
• Changed the constant name representing the default Time-to-Live (TTL)… #3186
• In spring cloud gateway mvc, an exception occurs when the request address contains spaces #3185
• The LocalResponseCacheGatewayFilterFactory is creating a new CacheManager for each Filter #3025
• To fix GH-2304 SaveSessionGatewayFilterFactory didn't work correctly #2997
• Fix Bug : RemoveCachedBodyFilter does not release direct memory correctly resulting in a memory leak #2969 #2971
• Gateway Routes URI of localhost:port without http:// returns empty body with 200 status code #2919
• AddRequestParameterGatewayFilterFactory Invalid URI query, can not deal with encoded path segment #2726
• Listed connection headers not removed #2653
• Fix for ModifyResponseBodyGatewayFilter not setting up response content-type #2649
• remove-hop-by-hop header case sensitivity #2645
• Delete the weight-configured route (-Weight), GroupWeightConfig will not delete, causing the route conflict with the same weightGroup, causing 404 error #922

• Update to spring-doc-actions v0.0.15 #3306
• Missing redis-route-definition-repository property metadata #3299
• Document that paths in route uri's are ignored #3292
• Document how to register custom predicates and filters for use in Server MVC configuration #3268
• Gateway-Mvc FormFilter erase all parameters causing retrive parameter return null in later filter or servlet #3244
• Fix documentation sample imports and missing .build() call #3223
• Update gateway-request-predicates.adoc #3208
• Add missing colon #3187
• Fix typo in document #3146
• Fix contribution link in README.adoc and add a link to repository map #3057
• Updates documentation to correct RewriteLocationResponseHeaderGatewayFilterFactory parameters and default value #2754
• Corrected the expression and provided a YAML example #2733

Thank you to all the contributors who worked on this release:

@JesseEstum, @JoeCqupt, @LoggingResearch, @Milkdove, @NilsEngelbach, @Robinson28years, @alexkarezin, @caixunshi, @dadicarlo, @dependabot[bot], @dogglezz, @dsyer, @f-ranieri, @gonmmarques, @ice2shell, @imzhoukunqiang, @jeremy-l-ford, @jongwooo, @liubao68, @manzhizhen, @martamedio, @muchnik, @rwinch, @shivakrishnaah, @tom916, @tony-clarke-amdocs, @trajano, @tungj, @wangYX657211334, and @xjs1919

⭐ New Features

• (4.0.x) Enhance "/actuator/gateway" endpoint #3163
• (4.0.x) Enhance "/actuator/gateway" endpoint #3147
• Add links to child paths for /actuator/gateway endpoint #3128
• Support query parameters in RedirectTo filter #3126

🐞 Bug Fixes

• fixes(gh-3048): Support nullable flag value in ShortcutConfigurable.S… #3049
• Host routing pattern not match when host contains port #3036 #3037

❤️ Contributors

Thank you to all the contributors who worked on this release:

@abelsromero, @ashraf-revo, @fombico, @martamedio, and @muchnik