Evidence for very massive stars in extremely UV-bright star-forming galaxies at z ∼ 2.2–3.6 A. Upadhyaya, R. Marques-Chaves, D. Schaerer, F. Martins, I. Pérez-Fournon, A. Palacios and E. R. Stanway A&A, 686 (2024) A185 Published online: 12 June 2024 DOI: 10.1051/0004-6361/202449184