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Solon 4.0.3 Adds AI Loop Module and Standalone Code Talent Plugin

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The Solon team released version 4.0.3 of the Java framework on July 2, 2026, marking the third general availability release in under four weeks. The update introduces solon-ai-loop, a controlled iterative execution module that allows AI agents to repeat reasoning steps — such as writing, testing, and fixing code — until a defined termination condition is met. A previously bundled code-talent plugin has been extracted into its own lightweight dependency, solon-ai-talent-code, making it reusable outside the full Harness environment. The release also adds ScopeLocalJdk25, which automatically enables JDK 25 scoped-value support when the framework detects that runtime, requiring no configuration changes from developers. Version 4.0.x carries LTS status with open-source support through December 2026 and commercial support through June 2029.

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