In June 2025, Liam Kiernan enhanced the PCM simulation documentation for the NREL-Sienna/PowerSimulations.jl repository, focusing on clarifying time series transformation parameters for day-ahead and real-time simulation sequences. Using Markdown and leveraging his documentation skills, he updated technical guides to ensure users could configure simulations accurately, thereby reducing the risk of misconfiguration and lowering support demands. Liam’s work emphasized clarity and precision, enabling faster onboarding for new users and more reliable simulation outcomes. While he did not address code bugs during this period, his targeted documentation improvements contributed to overall project stability and improved the user experience for PowerSimulations.jl.