Worked on the OpenShift Managed Cluster Go runtime upgrade within the openshift/release repository, moving the environment from Go 1.25 to 1.26 to align with the OpenShift 4.23 release. The process involved validating webhook configurations and ensuring compatibility with new Go 1.26 features, with a focus on minimizing risk for the managed cluster fleet. Applied configuration management and continuous integration practices using YAML to automate release steps and document the upgrade process for future audits. Performed end-to-end validation and basic performance checks, addressing minor validation issues as part of the upgrade to support improved security and performance.