Calbera contributed to the berachain/docs repository by consolidating upgrade documentation for the 2025 upgrade cycle, focusing on Bera-geth RC4 compatibility and versioning for components like Beacon-Kit and the EVM execution client. They improved documentation clarity through refined table formatting and clearer NOTE sections, supporting cross-team planning for upcoming releases. Earlier, Calbera addressed a critical bug by correcting the validator minimum stake constant, ensuring staking rules were properly enforced. Their work relied on Markdown for documentation and emphasized precision in both technical writing and code changes. The contributions demonstrated careful attention to stability, maintainability, and clear communication across engineering teams.