# Metro's Design Doc

DevFeed: [Metro's Design Doc](<https://devfeed.tech/articles/metro-s-design-doc-39041.md>)

Original publisher: [Read original article](<https://www.zacsweers.dev/metros-design-doc/>)

Author: Zac Sweers

Published: 2025-11-06T23:23:25Z

Content type: article

Language: en

Sources: [Zac Sweers](<https://devfeed.tech/sources/zac-sweers.md>)

Topics: [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [community](<https://devfeed.tech/tags/community.md>), [open-source](<https://devfeed.tech/tags/open-source.md>)

## AI overview

The author shares the original design document for Metro, formerly called Lattice, including discussions and an exported HTML version with comments. The document was developed through a design review with community feedback in late 2024 and early 2025.

## Source excerpt

Back in December 2024, I was around a month into working on Metro (at the time still called Lattice) and realized it crossed the threshold from "is this anything" to "oh shit this has wheels". I'd been talking informally with a few folks in