During September 2025, Andrey Belov delivered IPv6 connectivity support for NGINX One APIs in the nginx/documentation repository, enabling instances in dual-stack or IPv6-only environments to access the NGINX One Console. He focused on updating firewall documentation in Markdown to accurately reflect new IPv6 address ranges required for NGINX Agent and NGINX Plus usage reporting. Leveraging his skills in networking and technical documentation, Andrey ensured that the changes aligned with the product roadmap and maintained system stability. His work broadened deployment flexibility and improved security posture, addressing evolving infrastructure needs without introducing bugs or disrupting existing functionality.