WSO2 Shifts 10-20 Year Roadmap from Java to Go for Cloud-Native Future

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WSO2, a 20-year-old Sri Lankan enterprise middleware company, announced a long-term strategic shift from Java to Go in a blog post published on January 26, 2026, authored by VP Sameera Jayasoma and CEO Sanjiva Weerawarana. The company, known for products like API Manager, Identity Server, and Micro Integrator, stated that Java will no longer be its default choice when looking 10 to 20 years ahead. WSO2 already runs Go in production across several key projects, including OpenChoreo, Thunder, and a rewritten Ballerina compiler that was migrated from Java to Go. As of July 2026, the migration is still in its early stages, with the vast majority of existing code remaining in Java. The decision reflects Go's advantages for cloud-native infrastructure — including fast startup times, low memory footprint, and lightweight concurrency — rather than a rejection of Java itself.

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