# Agents change the math on big bang migrations

DevFeed: [Agents change the math on big bang migrations](<https://devfeed.tech/articles/agents-change-the-math-on-big-bang-migrations-37614.md>)

Original publisher: [Read original article](<https://swizec.com/blog/agents-change-the-math-on-big-bang-migrations>)

Author: hi@swizec.com (Swizec Teller)

Published: 2026-08-01T00:00:00Z

Content type: opinion

Language: en

Sources: [Swizec Teller](<https://devfeed.tech/sources/swizec-teller.md>)

Topics: [migration](<https://devfeed.tech/topics/migration.md>), [Tailwind CSS](<https://devfeed.tech/topics/tailwind.md>), [Bootstrap](<https://devfeed.tech/topics/bootstrap.md>), [Design system](<https://devfeed.tech/topics/design-system.md>), [Tech Debt](<https://devfeed.tech/topics/tech-debt.md>), [ui](<https://devfeed.tech/topics/ui.md>), [React](<https://devfeed.tech/topics/react.md>)

Tags: [agents](<https://devfeed.tech/tags/agents.md>), [bootstrap](<https://devfeed.tech/tags/bootstrap.md>), [design-system](<https://devfeed.tech/tags/design-system.md>), [migrations](<https://devfeed.tech/tags/migrations.md>), [react](<https://devfeed.tech/tags/react.md>), [tailwind](<https://devfeed.tech/tags/tailwind.md>), [tech-debt](<https://devfeed.tech/tags/tech-debt.md>)

## AI overview

An opinion article argues that AI agents may change how teams approach large software migrations. It describes a one-step migration of hundreds of pages from Bootstrap to Tailwind in a 22,000-line pull request, which the author says fixed 13 small bugs without materially disrupting the company.

## Source excerpt

I just did a team's worth of work in 5 days. Honestly I am shook to the core of my 20 YoE