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Technical Debt

Assess

Techniques

Design and implementation compromises that make future change harder.

Why it's here

Placed in Assess: 4 article(s) of evidence from 3 source(s), led by research-stage coverage, with 1 in the last 30 days. Confidence 60%.

Evidence (4)

  • 3Simon Willison·9/6/2026research
    Why Big Rewrites Often Fail

    Simon Willison argues that rewriting a legacy system from scratch rarely solves technical debt cleanly because the old system must keep changing while the new one is still under development. He recommends strengthening the existing system with automated tests and targeted refactors, citing migrations as a more scalable way to manage debt.

  • 1Simon Willison·9/6/2026research
    Quote on Software Complexity

    This item is a short quotation from Zach Kehs, shared by Simon Willison, stating that software can continually get worse without a hard physical limit like buildings have. The quote highlights how additional layers of indirection and performance loss can keep accumulating in code over time.

  • 3Hacker News·9/5/2026research
    Why Software Code Can Keep Getting Worse

    This essay argues that metaphors like a “sinking ship” are misleading for software systems because code does not have a natural floor where decline stops. Instead, software can accumulate endless layers of complexity, indirection, and performance loss, while organizations often struggle to simplify legacy systems due to knowledge loss, coordination costs, and incentives. The article uses a legacy order-processing system as an example of how technical debt can persist and expand over time.

  • 4Martin Fowler·4/2/2026research
    LLMs, cognitive debt, and verification in software development

    Martin Fowler highlights a framework that separates system health into technical debt, cognitive debt, and intent debt, arguing that each limits a different aspect of software evolution. He also discusses research framing AI as a “System 3” in cognition, and notes that as coding agents reduce the cost of writing code, verification becomes the more valuable and difficult work.