Preparing for Spring Boot 4 and Spring Framework 7: What\u2019s New?<\/title>\n<meta name=\"description\" content=\"Spring Boot 4 and Spring 7 bring API changes, native threads, and resilience. Prepare your codebase for the upgrade.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foojay.io\/today\/preparing-for-spring-framework-7-and-spring-boot-4\/\" \/>\n<link rel=\"next\" href=\"https:\/\/foojay.io\/today\/preparing-for-spring-framework-7-and-spring-boot-4\/2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Preparing for Spring Boot 4 and Spring Framework 7: What\u2019s New?\" \/>\n<meta property=\"og:description\" content=\"Spring Boot 4 and Spring 7 bring API changes, native threads, and resilience. 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1. Built-in Resilience Feature<\/a><\/li>
2. Fluent JMS Client API<\/a><\/li>
3. Robust Api Versioning<\/a><\/li>
4. Unified Message Conversion<\/a><\/li>
5. Faster and Smarter Testing<\/a><\/li>
6. Modern Ecosystem Integration<\/a><\/li>
7. Hibernate ORM and JPA Upgrades<\/a><\/li>
8. Overhauled HttpHeaders API<\/a><\/li>
9. Support for Jackson 3.x<\/a><\/li>
10. Null Safety using JSpecify<\/a><\/li>
1. Modular Codebase\u2014A Refactored Architecture<\/a><\/li>
2. Now Available in Maven Central<\/a><\/li>
3. Enhanced Configuration Properties Metadata<\/a><\/li>
4. Improvements in SSL Health Reporting<\/a><\/li>
5. Task Scheduling with Multiple TaskDecorator Beans<\/a><\/li>
6. JMS Support via JdbcClient<\/a><\/li>
Conclusion<\/a><\/li>
References<\/a><\/li><\/ul><\/div><\/div>\n
I'm a passionate Spring Framework and Spring Boot enthusiast, and I always look forward to exploring and experimenting with the latest features and improvements they introduce. With Spring Boot 4 and Spring Boot Framework 7 right around the corner, now's the perfect time to dive into the key enhancements that will shape the future of modern Java and enterprise application development.<\/strong><\/p>\n\n\n\n
$\"Spring$ <\/figure>\n\n\n\n
In this blog post, we will discuss some key features enhanced as part of Spring Framework 7 and Spring Boot 4.<\/p>\n\n\n\n
To start with, <\/p>\n\n\n\n
Spring Framework 7 Perspective<\/h1>\n\n\n\n
1. Built-in Resilience Feature<\/h3>\n\n\n\n
Spring Framework 7 introduces powerful resilience tools directly into its core:<\/p>\n\n\n\n
\n
@Retryable:<\/strong> Retries failed method calls with configurable options like max attempts, delays, jitters, and backoff. It also supports reactive return types.<\/li>\n\n\n\n
@ConcurrencyLimit: <\/strong>Limits concurrent method invocations to protect services and resources—for example, by restricting access to a single thread.<\/li>\n\n\n\n
Enable both annotations using @EnableResilientMethods<\/strong> or by registering specific post-processors. For more details, please go read through here<\/a><\/li>\n<\/ul>\n\n\n\n
@Configuration\n@EnableResilientMethods\npublic class ApplicationConfig {\n}\n<\/pre>\n\n\n\n
Service with @Retryable<\/strong> and @ConcurrentLimit<\/strong><\/p>\n\n\n\n
@Service\npublic class PaymentService {\n\n private int callCount = 0;\n\n @Retryable(\n maxAttempts = 3,\n backoff = @Retryable.Backoff(delay = 2000, multiplier = 2.0)\n )\n @ConcurrencyLimit(value = 2) \/\/ Allow only 2 concurrent calls\n public void processPayment(String paymentId) {\n callCount++;\n System.out.println(\"Attempt \" + callCount + \" to process payment: \" + paymentId);\n \n if (Math.random() > 0.3) {\n throw new RuntimeException(\"Simulated failure\");\n }\n\n System.out.println(\"Payment processed: \" + paymentId);\n }\n}\n<\/pre>\n\n\n\n
2. Fluent JMS Client API<\/h3>\n\n\n\n
Spring now includes JmsClient<\/strong>, modeled after JdbcClient<\/strong> and RestClient. Developers can now send\/receive messages using a fluent, builder-style API. This new approach is a more elegant and readable alternative to traditional JMS templates—just like how JdbcClient<\/strong> replaces JdbcTemplate<\/strong>, and RestClient<\/strong> replaces RestTemplate<\/strong>.<\/p>\n\n\n\n
3. Robust Api Versioning<\/h3>\n\n\n\n
Spring Framework enhances API versioning with powerful new features:<\/p>\n\n\n\n
\n
Resolves versions via media types<\/li>\n\n\n\n
Supports API deprecation notices and validation<\/li>\n\n\n\n
Allows defining fixed version sets<\/li>\n<\/ul>\n\n\n\n
These enhancements work across both Spring MVC and Spring WebFlux.<\/p>\n\n\n\n
4. Unified Message Conversion<\/h3>\n\n\n\n
Spring simplifies message conversion with a new HttpMessageConverters<\/em><\/strong> configuration class. This unified approach draws inspiration from reactive codecs, streamlining how HTTP messages are serialized and deserialized.<\/p>\n\n\n\n
5. Faster and Smarter Testing<\/h3>\n\n\n\n
Spring now optimizes test performance by pausing unused application contexts.<\/strong> When paused, the framework stops the context and automatically restarts it when needed. This reduces resource usage and speeds up test execution significantly.<\/p>\n\n\n\n
6. Modern Ecosystem Integration<\/h3>\n\n\n\n
Spring Framework 7 aligns with the latest platforms and standards:<\/p>\n\n\n\n
\n
Kotlin 2.2<\/li>\n\n\n\n
Jakarta EE 11 baseline<\/li>\n\n\n\n
GraalVM 24 support<\/li>\n<\/ul>\n\n\n\n
7. Hibernate ORM and JPA Upgrades<\/h3>\n\n\n\n
Spring integrates with Hibernate ORM 7.0<\/strong> and JPA 3.2<\/strong>, offering compatibility with the latest persistence standards. Prior to these, EntityManager could be injected only by defining the @PersistenceContext annotation; however, now both EntityManagerFactory<\/strong> and its associated shared EntityManager<\/strong> can now be injected using @Inject or @Autowired<\/strong>, with support for qualifiers to select a specific persistence unit when multiple are configured. <\/p>\n\n\n\n
8. Overhauled HttpHeaders API<\/h3>\n\n\n\n
The new HttpHeaders API delivers a cleaner, more consistent developer experience when handling HTTP headers.<\/p>\n\n\n\n
9. Support for Jackson 3.x<\/h3>\n\n\n\n
Spring Framework now supports Jackson 3.x<\/strong> and provides migration guidance for deprecated Jackson features, helping developers upgrade smoothly.<\/p>\n\n\n\n
10. Null Safety using JSpecify<\/h3>\n\n\n\n
Introduces JSpecify<\/strong> for null safety that certainly replaces the former org.springframework.lang.*<\/code> annotation. This is going to be the standard annotation approach for nullness<\/strong><\/em>. For more details, see https:\/\/spring.io\/blog\/2025\/03\/10\/null-safety-in-spring-apps-with-jspecify-and-null-away<\/a><\/p>\n\n\n\n
\n\n\n\nSpring Boot Perspective<\/h1>\n\n\n\nSpring Boot 4 is a significant leap forward in modernizing how Spring applications are developed, configured, and deployed. This milestone marks the beginning of a more modular, extensible, and developer-friendly version of the framework. Let's understand some of the significant enhancements in Spring Boot 4 and how they impact developers.<\/p>\n\n\n\n1. Modular Codebase—A Refactored Architecture<\/h3>\n\n\n\nIt introduces a major architectural shift by breaking up the internal codebase into smaller, focused modules. <\/strong>Previously, Spring Boot relied on large, monolithic auto-configuration JARs. With version 4, the auto-configurations have been refactored into modular packages<\/strong>, making the framework more maintainable and composable.<\/p>\n\n\n\n Each module starts with a dedicated package, such as<\/p>\n\n\n\norg.springframework.<module><\/pre>\n\n\n\nDepending on the module's purpose, it can include:<\/p>\n\n\n\n\nPublic APIs<\/li>\n\n\n\n Auto-configuration logic<\/li>\n\n\n\nActuator-related support<\/li>\n<\/ul>\n\n\n\n2. Now Available in Maven Central<\/h3>\n\n\n\nFor the first time, milestone artifacts like 4.0.0-M1 are published to Maven Central<\/strong> in addition to Spring's repository. This helps in a greater way:<\/p>\n\n\n\n\nEasier dependency management<\/li>\n\n\n\n Smoother CI\/CD integration<\/li>\n\n\n\nImproved compatibility with build tools and enterprise repos<\/li>\n<\/ul>\n\n\n\nhttps:\/\/mvnrepository.com\/artifact\/org.springframework.boot\/spring-boot-starter\/4.0.0-M1<\/a><\/p>\n\n\n\n This change enhances developer productivity by reducing the friction in bootstrapping and upgrading projects. <\/p>\n\n\n\n 3. Enhanced Configuration Properties Metadata<\/h3>\n\n\n\nIntroduces a new annotation: @ConfigurationPropertiesSource<\/strong>. This allows Spring Boot to read @ConfigurationProperties<\/strong> types defined in external modules, something that wasn't possible before. The benefits would be 1. a cleaner modular design 2. Improves tooling support (IDE autocompletion, validation, etc.) 3. makes shared configuration libraries easier to manage.<\/p>\n\n\n\n4. Improvements in SSL Health Reporting<\/h3>\n\n\n\nThe SSL health endpoint in Spring Boot has been improved to provide more accurate and streamlined reporting. <\/p>\n\n\n\n What's changed?<\/strong><\/p>\n\n\n\n\nThe WILL_EXPIRE_SOON status has been removed<\/li>\n\n\n\n Certificates are now shown as VALID until they actually expire<\/li>\n\n\n\nA new field expiringChains<\/em><\/strong> has been added to help track certificates nearing expiration<\/strong>.<\/li>\n<\/ul>\n\n\n\nThese changes make it easier for teams to monitor SSL certificate validity in production environments without false alarms.<\/p>\n\n\n\n5. Task Scheduling with Multiple TaskDecorator Beans<\/h3>\n\n\n\nOne of the most developer-friendly updates in Spring Boot 4.0 is support for multiple<\/strong><\/em> TaskDecorator<\/strong> beans. Prior to 4.0, Spring Boot allowed only one decorator, requiring manual chaining when multiple beans (like tracing and logging) needed to be applied.<\/p>\n\n\n\n Before Spring Boot 4.0:<\/strong><\/p>\n\n\n\n\nSpring Boot allowed only one.TaskDecorator<\/code><\/li>\n\n\n\nFor multiple decorators (e.g., for tracing and logging), we need to manually chain them in a custom decorator.<\/li>\n<\/ul>\n\n\n\n@Bean\npublic TaskDecorator customTaskDecorator() {\n return runnable -> {\n Runnable decoratedWithTracing = tracingDecorator().decorate(runnable);\n return loggingDecorator().decorate(decoratedWithTracing);\n };\n}\n\npublic TaskDecorator tracingDecorator() {\n return runnable -> () -> {\n System.out.println(\"Tracing Start\");\n runnable.run();\n System.out.println(\"Tracing End\");\n };\n}\n\npublic TaskDecorator loggingDecorator() {\n return runnable -> () -> {\n System.out.println(\"Logging Start\");\n runnable.run();\n System.out.println(\"Logging End\");\n };\n}\n<\/pre>\n\n\n\nIn the above code snippet,<\/p>\n\n\n\n\nWe have to do the chaining manually<\/li>\n\n\n\n We couldn't inject and order multiple decorators using Spring annotations<\/li>\n<\/ol>\n\n\n\nIn Spring Boot 4.0:<\/strong><\/p>\n\n\n\n Spring Boot automatically creates a CompositeTaskDecorator<\/strong> that chains all available decorators in the order specified using the @Order<\/strong> annotation:<\/p>\n\n\n\n @Bean\n@Order(1)\npublic TaskDecorator tracingDecorator() {\n return runnable -> () -> {\n System.out.println(\"Tracing Start\");\n runnable.run();\n System.out.println(\"Tracing End\");\n };\n}\n\n@Bean\n@Order(2)\npublic TaskDecorator loggingDecorator() {\n return runnable -> () -> {\n System.out.println(\"Logging Start\");\n runnable.run();\n System.out.println(\"Logging End\");\n };\n}<\/pre>\n\n\n\nWhen the task runs, Spring applies decorators in order:<\/p>\n\n\n\n \ntracingDecorator<\/li>\n\n\n\n loggingDecorator<\/li>\n\n\n\n Then the actual task<\/li>\n<\/ol>\n\n\n\nWe no longer need to manually compose decorators—Spring Boot handles it for us.<\/p>\n\n\n\n 6. JMS Support via JdbcClient<\/h3>\n\n\n\nSpring Boot 4.0 now auto-configures JmsClient, introduced in Spring Framework 7. This aligns with the familiar patterns of JdbcClient and RestClient, offering a fluent, builder-pattern style, modern API for working with JMS messaging. It still coexists with JmsTemplate<\/strong> and JmsMessagingTemplate<\/strong>. <\/p>\n\n\n\n This makes JMS more accessible and cleaner to use, especially for microservices that rely on messaging systems.<\/p>\n\n\n\n Conclusion<\/h3>\n\n\n\nAs a spring fan, I am super excited. Spring Boot 4.0 is shaping up to be one of the most significant releases in recent years. With a refactored modular architecture<\/strong>, improved observability<\/strong>, native resilience patterns<\/strong>, and developer-friendly defaults<\/strong>, it's ready to power the next generation of Spring applications.<\/p>\n\n\n\n References<\/h3>\n\n\n\nhttps:\/\/spring.io\/blog\/2025\/07\/17\/spring-framework-7-0-0-M7-available-now<\/a><\/p>\n\n\n\n https:\/\/spring.io\/blog\/2025\/07\/24\/spring-boot-4-0-0-M1-available-now<\/a><\/p>\n\n\n\n https:\/\/github.com\/spring-projects\/spring-boot\/wiki\/Spring-Boot-4.0-Migration-Guide<\/a><\/p>\n\n\n\n https:\/\/docs.spring.io\/spring\/reference\/7.0-SNAPSHOT\/core\/resilience.html<\/a><\/p>\n\n\n\n https:\/\/github.com\/spring-projects\/spring-framework\/wiki\/Spring-Framework-7.0-Release-Notes<\/a><\/p>\n\n\n\n\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":" Table of Contents 1. Built-in Resilience Feature 2. Fluent JMS Client API 3. Robust Api Versioning 4. Unified Message Conversion 5. Faster and Smarter Testing 6. Modern Ecosystem Integration 7. Hibernate ORM and JPA Upgrades 8. Overhauled HttpHeaders API 9. …<\/p>\n","protected":false},"author":623,"featured_media":117110,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[567,1722,807,601,227,198,564],"tags":[],"class_list":["post-117033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jakartaee","category-java","category-jms","category-kotlin","category-maven","category-performance","category-spring"],"yoast_head":"\nPreparing for Spring Boot 4 and Spring Framework 7: What\u2019s New?<\/title>\n<meta name=\"description\" content=\"Spring Boot 4 and Spring 7 bring API changes, native threads, and resilience. 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4. Unified Message Conversion<\/h3>\n\n\n\n
Spring simplifies message conversion with a new HttpMessageConverters<\/em><\/strong> configuration class. This unified approach draws inspiration from reactive codecs, streamlining how HTTP messages are serialized and deserialized.<\/p>\n\n\n\n

9. Support for Jackson 3.x<\/h3>\n\n\n\n
Spring Framework now supports Jackson 3.x<\/strong> and provides migration guidance for deprecated Jackson features, helping developers upgrade smoothly.<\/p>\n\n\n\n

Spring Framework 7 Perspective<\/h1>\n\n\n\n

Spring Framework 7 Perspective<\/h1>\n\n\n\n

1. Built-in Resilience Feature<\/h3>\n\n\n\nSpring Framework 7 introduces powerful resilience tools directly into its core:<\/p>\n\n\n\n

3. Robust Api Versioning<\/h3>\n\n\n\nSpring Framework enhances API versioning with powerful new features:<\/p>\n\n\n\n\nResolves versions via media types<\/li>\n\n\n\nSupports API deprecation notices and validation<\/li>\n\n\n\n

4. Unified Message Conversion<\/h3>\n\n\n\nSpring simplifies message conversion with a new HttpMessageConverters<\/em><\/strong> configuration class. This unified approach draws inspiration from reactive codecs, streamlining how HTTP messages are serialized and deserialized.<\/p>\n\n\n\n

9. Support for Jackson 3.x<\/h3>\n\n\n\nSpring Framework now supports Jackson 3.x<\/strong> and provides migration guidance for deprecated Jackson features, helping developers upgrade smoothly.<\/p>\n\n\n\n

2. Now Available in Maven Central<\/h3>\n\n\n\nFor the first time, milestone artifacts like 4.0.0-M1 are published to Maven Central<\/strong> in addition to Spring's repository. This helps in a greater way:<\/p>\n\n\n\n

4. Unified Message Conversion<\/h3>\n\n\n\n
Spring simplifies message conversion with a new HttpMessageConverters<\/em><\/strong> configuration class. This unified approach draws inspiration from reactive codecs, streamlining how HTTP messages are serialized and deserialized.<\/p>\n\n\n\n

9. Support for Jackson 3.x<\/h3>\n\n\n\n
Spring Framework now supports Jackson 3.x<\/strong> and provides migration guidance for deprecated Jackson features, helping developers upgrade smoothly.<\/p>\n\n\n\n