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Technical debt refers to the accumulated issues and shortcuts taken during software development to meet deadlines, which eventually need to be addressed at higher costs. It impacts development speed, increases costs, risks system failures, and hinders innovation. Legacy code, older and harder-to-maintain codebases, also contributes to technical debt. Strategies to mitigate technical debt include thorough documentation, comprehensive testing, regular refactoring, and fostering a code review culture. Using behavioral code analysis tools like CodeScene can help identify and prioritize problematic areas in the codebase for improvement.

How to deal with Technical Debt in legacy projects

The problems with Technical debt and legacy code

Using Behavioral Code Analysis to Fix Technical Debt

An example of analysis for NopCommerce Project

The article uses all the correct terminology, but to me it is nothing more than recycled wording that in the end will not solve any technical debt, just create technical debt in other places.
I have heard the word “technical debt” a lot as an excuse for not fixing something. Metrics do not solve the problem, they just hide it over time as you reduce code complexity.
Most experienced developers know how to fix technical debt easily. All you have to do is give them carte blanche for a few weeks and step back. They will unravel the code into a huge pile that will make any manager freak out, but they will reassemble it into code that can be easily managed. Initially, they will preserve the existing bugs until everything can be systematically checked to see if the bug fix is actually fixed and not moved to some other part of the code.
But in the last decade, good developers have been crippled by this agile way of fixing bugs. A good developer is prevented from thinking weeks, months, years ahead in the code, thinking how the tester will be able to test it easily, how the user will use it. And how the code needs to be reassembled so that it becomes self-testing code that needs much less unit and integration tests. It is not a 1D puzzle, it is a 5D puzzle that fits like a glove when reassembled.

Technical debt affects everyone. Every time a service updates, how it is used changes; hence, workflows must be updated. Using Word as you used in 2010 is not the same in 2024. Many are not aware of the need to, but essential.

Very brilliant assertion of tech debt. I would go so far and not limit it to legacy projects :D

Very useful information! Thank you very much!