The 5 software development trends that actually matter in 2026 (and what they mean for your startup)

The 2025 Stack Overflow and DORA surveys show that while 84% of developers use AI tools, trust in AI output is declining. AI agents have evolved from autocomplete to autonomous workflow participants, but research results are contradictory—METR found AI slowed expert developers by 19%, while Microsoft Research saw a 26% productivity gain among less experienced developers. The article warns founders that AI-assisted speed often creates costly technical debt when structure is sacrificed.