Garret Wyman developed and delivered Slack alert color customization features across the grafana/alerting and grafana/grafana repositories, focusing on improving incident visibility in Slack channels. He implemented dynamic color options for Slack receivers and notifications, allowing alert messages to reflect their status—such as firing or resolved—through distinct color cues. This work involved updating the Slack integration structure, aligning color semantics across alerting and notification paths, and revising documentation to support the new functionality. Garret utilized Go for backend development, API integration, and configuration management, demonstrating a thoughtful approach to cross-repository feature delivery and enhancing operator experience through clearer alert differentiation.