Codename One shifts from Maven Central to self-hosted Cloudflare R2 repository

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Codename One, an open-source Java/Kotlin framework for cross-platform app development, is migrating its package distribution from Maven Central to a self-operated repository hosted on Cloudflare R2. The move is driven by the project's unusually high usage of Maven Central infrastructure, exceeding Sonatype's guidelines by over 2,600% in storage and nearly 2,000% in file count. A phased rollout begins July 31, 2026, with dual publishing to both platforms, followed by new projects automatically receiving the new repository URL from August 7. Codename One plans to stop publishing new versions to Maven Central entirely by August 28, 2026, provided the dual-publish period runs smoothly. Existing projects will need to manually add the new repository configuration to continue receiving future updates after the cutover.

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