Ultra-long period compact sources: a glimpse into observational breakthroughs and theoretical challenges

At the Seventeenth Marcel Grossman meeting, researchers gathered to discuss significant advances in the study of ultra-long period sources. Presentations covered key aspects, including emission properties, evolutionary scenarios, and models for their emission. In this proceeding, we summarize key observational breakthroughs and touch upon the proposed evolutionary pathways and state-of-the-art models that seek to explain these sources. Finally, we outline future directions, including the potential of ongoing and upcoming surveys, improved detection algorithms, and multiwavelength observations to significantly expand the known population of these mysterious sources.