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The Wire · Showcase

SPRING AI 2.0.0 SHIPS, JACKSON 2 ONLY

By RepoJournal · Filed · About Spring

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

FAQ

What changed 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.
What should Spring teams do about it?
Read Spring AI 2.0.0 upgrade notes before any version bump • Plan migration from 1.x to 2.0.0 if on Jackson 1.x anywhere • Update MCP SDK to 0.18+ across all 1.x and 2.0.0 deployments
Which Spring repositories shipped on June 13, 2026?
spring-projects/spring-ai

For your repos

The showcase is a teaser.
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Same engine. Different stack. Below: what changes when the wire is yours.

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