During March 2025, German Osin focused on documentation-driven migration and integration work across the upstash/docs and aiven/aiven-docs repositories. He migrated UI references from Provectus UI to Kafbat UI, updating documentation, repository links, and Docker image references to ensure consistency and streamline onboarding for users of Apache Kafka. German also authored new integration documentation for Kafbat UI with Aiven Kafka, detailing prerequisites, container execution, and UI access. His work emphasized configuration management and technical writing using Markdown and YAML, resulting in standardized documentation and improved traceability. The changes laid a foundation for future maintenance and reduced onboarding complexity.