> ## Documentation Index > Fetch the complete documentation index at: https://oxy.tech/docs/llms.txt > Use this file to discover all available pages before exploring further. # Workflow Major Enhancements > Debug and analyze workflow executions with comprehensive replay capabilities: **August 8, 2025** ### **Workflow Replay System** Debug and analyze workflow executions with comprehensive replay capabilities: * **Task-Level Replay** - Re-execute individual tasks within workflows and subworkflows for targeted debugging * **Hash-Based Retry** - Intelligent retry system that reruns when inputs change but skips subsequent steps if outputs remain unchanged * **Run History** - Complete history of all workflow executions with execution details and outcomes Image Image Image ### **Enhanced Workflow Visualization** Improved workflow diagram experience for better understanding: * **Expandable Subworkflow Nodes** - View nested workflow details directly within the main diagram * **Subworkflow Navigation** - Navigate directly to subworkflows with dedicated button controls * **Loop Status Monitoring** - View execution status of each individual value within workflow loops * **Detailed Execution Flow** - Better visualization of complex workflow structures and dependencies Image Image Image ### **Improved Workflow Events** Refactored event handling system for better reliability and debugging: * **Enhanced Event Processing** - More robust workflow event handling and tracking * **Better Error Reporting** - Improved visibility into workflow execution issues * **Debugging Support** - Enhanced tools for troubleshooting workflow problems These changes happen behind the scene to keep workflow execution stable and reliable