Worked on the istio/istio repository to address a bug in Helm chart rendering related to Kubernetes namespaces composed entirely of numeric characters. Applied the quote function to namespace fields within Helm templates, ensuring that numeric namespaces are correctly interpreted as strings rather than numbers during deployment. Added an integration test to verify this behavior and prevent future regressions. Maintained code quality by running pre-commit checks, including secret scanning. Utilized Go and YAML to implement and validate the fix, with a focus on infrastructure as code practices and Kubernetes resource management. The work improved reliability for users deploying with numeric namespaces.