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wire 2026-06-13
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SPRING AI 2.0.0 SHIPS, JACKSON 2 ONLY

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

Spring AI reached general availability overnight with a major version bump that simplifies JSON handling and forces a breaking upgrade path for anyone still on 1.x.

Spring AI 2.0.0 GA landed with Jackson 2 as the exclusive JSON engine [1], eliminating the dual-support complexity that plagued 1.x. Two patch releases hit the same window: 1.1.8 bumps MCP SDK to 0.18 and fixes missing ZhiPuAi finish reasons [2], while 1.0.9 deprecates Pixtral models and locks in the same MCP SDK [3]. Both older releases also upgraded to Spring Boot 3.5.15, keeping the 1.x line current on core dependencies. Google GenAI models got updates in 2.0.0 [1], and documentation expanded with Anthropic rate-limit guidance. Across all three releases, the MCP SDK upgrade is the most concrete change for teams doing agent work. The move to Jackson 2-only in 2.0.0 is a hard line: you're upgrading the whole framework or staying put. Check the upgrade notes before touching anything in production.

Action items

References

  1. [1] Spring AI 2.0.0 GA ↗ spring-projects/spring-ai
  2. [2] Spring AI 1.1.8 ↗ spring-projects/spring-ai
  3. [3] Spring AI 1.0.9 ↗ spring-projects/spring-ai

$ 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
Full archive → Weekly reviews →

Quick answers

What shipped in Spring on June 13, 2026?
Spring AI reached general availability overnight with a major version bump that simplifies JSON handling and forces a breaking upgrade path for anyone still on 1.x. In total, 6 commits and 3 releases landed.
What were the notable Spring updates?
Spring AI 2.0.0 GA, Spring AI 1.1.8, and Spring AI 1.0.9.
♥

$ 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

Agent Security Quiet day in agent security as guard coverage reaches four clients Alignment & Post-training verl defaults Ascend RL mode, open-instruct unblocks SFT packing

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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