Is open source hitting a watershed moment? After 8,000 developers converged for FOSDEM 2026, it’s clear that legal obligations and supply chain security are rewriting the rules. Discover why the hardest problems are no longer technical—they’re about how we sustain and secure the software we ship.

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FOSDEM 2026 brought together 8,000 developers in Brussels, revealing a critical shift in open source: the hardest challenges are no longer purely technical but involve legal compliance, supply chain security, and economic sustainability. The Cyber Resilience Act (CRA) is reshaping expectations around liability and responsibility, while funding models remain unclear. Key takeaways include the need to intimately know your software supply chain, maintain efficient CI/CD pipelines for routine updates, and establish clear support postures for all components including open source dependencies. The era of "free" open source is evolving as compliance requirements and infrastructure costs force organizations to be more selective about what they consume.

FOSDEM 2026: Open Source Supply Chains, CRA Compliance, and the Future of Software