In today’s feature, our editor Sabine Paris reports from the PDA Good Aseptic Manufacturing Conference 2025 in Basel, where Swissmedic's Paula Walser provided valuable regulatory perspective alongside industry experts. The conference revealed that 25 % of companies remain non-compliant with Annex 1, facing challenges from cleanroom upgrades to contamination control strategies. However, speakers from Takeda, Novartis, and Charles River demonstrated how regulatory pressure is driving innovation – from questioning traditional monitoring methods to advancing digital transformation of sterility testing and rapid microbiological methods. The blend of regulatory insight and industry innovation showcased how Annex 1 compliance is reshaping aseptic manufacturing.