Thanks to @eyupcanakman and @arimu1 for contributing to this release. New: Kotlin 2.4.20. New: KSP 2.3.11. New: Support for explicit backing fields. (#2325) New: value class validations have been ...

When you launch an app or visit a website, you likely assume your connection is private. In reality, a critical privacy gap remains. Even…

Gradle 9.7 and IntelliJ IDEA 2026.2 bring resilient sync to IDE users. When part of your build fails to configure, Gradle still hands the IDE models for everything that succeeded, so you keep code com...

A modern I/O library for Android, Kotlin, and Java.

New [IR] Revamp graph-validation diagnostics with structured output. Taking some inspiration from Rust error messages. Stable diagnostic IDs Compact dependency chains Aligned binding traces...

New [interop] This release introduces experimental support for Hilt @InstallIn and @EntryPoint interop. Enabled with metro { interop { includeHilt() } } A @DependencyGraph(<scope>) automatically ...

Square’s meticulous HTTP client for the JVM, Android, and GraalVM

New [FIR] Add a diagnostic warning that @Module.subcomponents is ignored by Metro (when Dagger interop is enabled). [FIR] Add a diagnostic error for annotating @AssistedInject types with @Contribu...

Metro 1.0.0 is out now and stable. This means that its runtime APIs (runtime, MetroX artifacts, Gradle plugin, etc.) are now API-stable unless annotated with an experimental annotation. This is an ex...

This is the third release candidate for Metro 1.0! This means that its runtime APIs (runtime, metrox artifacts, Gradle plugin, etc) will be API stable unless annotated with an experimental annotati...

How Square Android migrated its monorepo from Dagger 2 and Anvil to Metro over nine months and saved thousands of hours of build time.

This is the first release candidate for Metro 1.0! This means that its runtime APIs (runtime, metrox artifacts, Gradle plugin, etc) will be API stable unless annotated with an experimental annotati...

New Circuit codegen Metro now includes experimental built-in support for Circuit, a Compose-first architecture for building kotlin apps. See the docs for more details. In the long term, this will e...

Thanks to @haruue, @hfhbd, @yz4230, @mina-jaff, @BoD, @RaoPrashanth for contributing to this release. New: Kotlin 2.3.20. New: KSP 2.3.6. New: Support for defining type aliases inside other types....

An engineer I admire was lamenting about AI. He said that his new programming agent is excellent at fixing bugs! And all that it costs is a bunch of energy and many litres of water. He said that he co...

16 track album

Google is building a digital lock into Android. It's a very bad idea and I hate it. The excellent organizers at keepandroidopen.org encouraged me to complain to the Competition Bureau of Canada. What ...

It is year 2026 and yet Android developers continue to be mystified about minSdk, compileSdk, and targetSdk. There are some myths and false claims floating i...

Here’s a program that launches 3 jobs. The first runs forever and the other two exchange a value. @Test fun test() = runTest { val channel = Channel&lt;String&gt;() val deferredA = async { whi...

You’d be forgiven for forgetting that Europe is bigger than Davos this week, but we’ve got three great stories to remind you. First up: it’s been a good week for Berliners making Kartoffelsalat, Karto...

How AI coding agents are automating away the developer apprenticeship ladder. Discover three personas for using agentic programming effectively, when it accelerates work, and critical guardrails to pr...

Technology should bring out the best in humanity, not the worst—a manifesto for resonant computing built on five principles that reject hyper-scale extraction for human flourishing.