Capabilities Ain't All You Need: Measuring Propensities in AI. - Daniel Romero-Alvarado; Fernando Martínez-Plumed; Lorenzo Pacchiardi; Hugo Save; Siddhesh Milind Pawar; Behzad Mehrbakhsh; Pablo Antonio Moreno Casares; Ben Slater; Paolo Bova; Peter Romero; Zachary R. Tidler; Jonathan E. Prunty; et al. (CoRR, 2026)