# Why I'm Seeking Sponsors for Metro, a Kotlin Dependency Injection Compiler

DevFeed: [Why I'm Seeking Sponsors for Metro, a Kotlin Dependency Injection Compiler](<https://devfeed.tech/articles/sponsoring-metro-39044.md>)

Original publisher: [Read original article](<https://www.zacsweers.dev/sponsoring-metro/>)

Author: Zac Sweers

Published: 2026-01-29T15:56:29Z

Content type: opinion

Language: en

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

Topics: [Compiler](<https://devfeed.tech/topics/compiler.md>), [Dependency injection](<https://devfeed.tech/topics/dependency-injection.md>), [build performance](<https://devfeed.tech/topics/build-performance.md>), [build times](<https://devfeed.tech/topics/build-times.md>), [Kotlin](<https://devfeed.tech/topics/kotlin.md>), [Mobile](<https://devfeed.tech/topics/mobile.md>), [monorepo](<https://devfeed.tech/topics/monorepo.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [build-performance](<https://devfeed.tech/tags/build-performance.md>), [build-times](<https://devfeed.tech/tags/build-times.md>), [compiler](<https://devfeed.tech/tags/compiler.md>), [dependency-injection](<https://devfeed.tech/tags/dependency-injection.md>), [developer-productivity](<https://devfeed.tech/tags/developer-productivity.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>), [metro](<https://devfeed.tech/tags/metro.md>), [monorepo](<https://devfeed.tech/tags/monorepo.md>), [open-source](<https://devfeed.tech/tags/open-source.md>)

## AI overview

The author discusses opening GitHub sponsorship for Metro, a Kotlin dependency injection project. They report build-performance gains, benchmark results against Dagger, compatibility across Kotlin and IDE versions, and adoption by several engineering teams.

## Source excerpt

Metro is the proudest work of my career. Ever since starting it on vacation in November 2024, building it has been an incredible journey and the community reception has been nothing short of wonderful. It sits at the intersection of several fields I've come to specialize in, ranging