Do developers usually write things down before coding?

Not enough—about 60% jump straight in, per dev surveys, leading to more bugs and rework.

How do unclear requirements cause bugs?

They hide assumptions in heads, not code; edge cases get missed, causing failures under real use.

What's a quick fix for spec bugs?

Spend 10 mins listing goals, non-goals, edges, success, rollout—share it, then code.

70% of Bugs Aren't Code Problems—They're Spec Nightmares

Ever chased a 'small' bug for hours, only to realize no one agreed on what the feature should do? Turns out, 70% of defects hide in unclear specs—not your code.

DevTools Feed Apr 03, 2026 3 min read

Developer scribbling requirements on notepad amid code chaos

⚡ Key Takeaways

70% of bugs trace to unclear requirements, not code complexity—clarify first. 𝕏
10 minutes of spec notes cut debugging, reviews, and chaos dramatically. 𝕏
In AI era, precise specs make humans + agents unstoppable. 𝕏

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#debugging bugs #dev best practices #requirements engineering #software specs

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Originally reported by dev.to

⚡ Key Takeaways

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