The OSS development model is vital to achieve open, sustainable, and innovative digitalization. • Regulations should protect innovation, meet security and reliability expectations, and prevent uncontrollable platform e ff ects. • Current regulatory drafts, like the draft Cyber Resilience Act (CRA) include many obstacles and challenges for the open source development model, which might lead to a massive decrease of innovation and business activity in the European IT sector. • The cause for this might be that the European Commission (EC) does not fully understand open source, causing additional concerns. https://www.apell.info/2023/09/08/apell-conference-report-helsinki-2023/