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wire 2026-07-25
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SPRING BOOT KILLS RESTTEMPLATE, SPRING AI GAINS IMAGE GEN

By RepoJournal · Filed · About Spring · Composed from the cited sources · methodology

Stéphane Nicoll Sébastien Deleuze Brian Clozel dependabot rstoyanchev
5 people shipped this
Stéphane Nicoll @snicoll 3 cited Sébastien Deleuze @sdeleuze 3 cited Brian Clozel @bclozel 1 cited dependabot @dependabot rstoyanchev @rstoyanchev

Spring Boot is deprecating RestTemplate across its entire ecosystem, forcing a migration to RestClient as the Framework itself moves on [ref:1].

Stéphane Nicoll has deprecated RestTemplateAutoConfiguration, RestTemplateBuilder, and the full stack of RestTemplate-related customizers [1], aligning Boot with Spring Framework 7.1's removal roadmap. This is the end of an era for a widely-adopted HTTP client that shaped a generation of Spring applications. Separately, Spring Framework tightened MimeType parsing for RFC compliance [2], rewriting the entire parser as a state machine to handle quoted and unquoted parameter values correctly, improving both robustness and performance. Over in Spring AI, image generation support landed for Google GenAI [3], introducing a new spring-ai-google-genai-image module with GoogleGenAiImageModel, alongside the fixes needed to stabilize the new feature [4], [5], [6]. Boot also cleaned up deprecated APIs from the 4.2 cycle [7] while polishing deprecation messaging for HttpMessageConverters, which couldn't be marked for removal without breaking patch compatibility [8].

Action items

References

  1. [1] Deprecate RestTemplate support ↗ spring-projects/spring-boot
  2. [2] Improve MimeType parser for RFC compliance ↗ spring-projects/spring-framework
  3. [3] Add Google GenAI image generation support ↗ spring-projects/spring-ai
  4. [4] Refine contribution ↗ spring-projects/spring-ai
  5. [5] Fix Google GenAI auto-configurations tests ↗ spring-projects/spring-ai
  6. [6] Fix GoogleGenAiImageConnectionDetailsTests ↗ spring-projects/spring-ai
  7. [7] Polish "Remove APIs that were deprecated for removal in 4.2" ↗ spring-projects/spring-boot
  8. [8] Polish deprecation message ↗ spring-projects/spring-boot

$ ls spring-projects/reviews/ # the step-back reads

the week in review Spring Kafka fixes multi-value JSON header loss the month in review Spring standardizes release trains while security patches and batch fixes surface
Topics: Java Full archive → Weekly reviews →

Quick answers

What shipped in Spring on July 25, 2026?
Spring Boot is deprecating RestTemplate across its entire ecosystem, forcing a migration to RestClient as the Framework itself moves on [ref:1]. In total, 19 commits and 1 pull requests landed.
Who contributed to Spring on July 25, 2026?
5 developers shipped this update, including Stéphane Nicoll, dependabot, Brian Clozel, rstoyanchev, and Sébastien Deleuze.
What were the notable Spring updates?
Deprecate RestTemplate support, Improve MimeType parser for RFC compliance, and Add Google GenAI image generation support.
♥

$ log @spring-projects --recent

Kubernetes probe groups keep their defaults; multi-segment health paths land 90 shipped Kafka config building centralized, async listener results awaited on stop 52 shipped Spring Data moves to JSqlParser 5.4 and Hibernate 7.4.8.Final 11 shipped Spring Batch deprecates setters for required dependencies 5 shipped

$ log --all # elsewhere on the wire

@openclaw Cold-start Gateway diagnostics stop crying wolf, doctor repairs plugin drift Agentic Coding Cline desktop bundles shrink, goose unblocks its own clicks

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux Anthropic

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