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Your C# Code Review Is Missing These 15 Production Checks (2026 Edition)
Mohammad Shoeb4 min read·4 days ago--
We once had a Sev-1 outage triggered by a PR that passed review in minutes.
The code was clean.
Tests passed.
Style checks were green.
But under production load, it deadlocked a critical path and took down payments globally.
That incident changed how we review code forever.
Most code reviews still check for:
- Naming
- Formatting
- Style rules
- “Looks good to me 👍”
World-class reviews check for something else entirely:
Will this code still be correct, fast, observable, secure, and maintainable under real production pressure?
Because production doesn’t care about your indentation.
This checklist reflects what elite .NET teams review in 2026 — cloud-native, async-heavy, distributed, AI-adjacent systems running at scale.
🔴 1) Correctness Under Concurrency (Not Just Single-Threaded Logic)
Modern .NET code rarely runs in isolation.
Review questions:
- Is shared state protected?
- Are there race conditions?
- Is the code safe under parallel execution?
