Report from the 4th Strategic Workshop on Information Retrieval in Lorne (SWIRL 2025). - Johanne R. Trippas; J. Shane Culpepper; Mohammad Aliannejadi; James Allan; Enrique Amigó; Jaime Arguello; Leif Azzopardi; Peter Bailey; Jamie Callan; Rob Capra 001; Nick Craswell; W. Bruce Croft; et al. (SIGIR Forum, 2025)