During March 2025, contributed to the zalando/skipper repository by developing a new default configuration option for the OIDC SubdomainsToRemove feature. This backend enhancement, implemented in Go, standardized OIDC configuration across environments, streamlining cookie domain management and simplifying cross-team setup. The work included updating documentation to clearly reflect the new default behavior, ensuring teams could onboard more quickly and maintain consistent configuration practices. Focused on configuration management, the changes reduced configuration drift and made OIDC flows more predictable. No major bugs were addressed during this period, with efforts concentrated on feature delivery and improving documentation for broader team alignment.