According to Vercel, the new feature provides a detailed timeline for subagent execution, a common request as AI applications grow more modular. In our view, this is less a breakthrough and more a necessary table-stakes update for any platform hoping to be taken seriously for production AI work. The real test will be whether this visibility translates into actionable insights for improving agent performance or reducing costs, areas where the announcement is notably thin on specifics. Watch for whether this prompts similar feature releases from competing AI infra providers, as the race to capture developer mindshare intensifies.