Márton Braun's Avatar

Márton Braun

@zsmb.co

Developer Advocate @ JetBrains, working on Kotlin and Compose Multiplatform, KMP tooling, and Amper. Instructor @ BME-VIK. Co-organizer @ Android Budapest. GDE for Android. Ex-Google. zsmb.co

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Latest posts by Márton Braun @zsmb.co

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a black and white photo of a man working on an old car on the side of the road . ALT: a black and white photo of a man working on an old car on the side of the road .
10.03.2026 20:57 👍 1 🔁 0 💬 0 📌 0

Trying to navigate how serialization works with Nav3 routes in multiplatform? Check out these great new docs we just published: kotlinlang.org/docs/...

10.03.2026 16:23 👍 8 🔁 1 💬 0 📌 0

That's so good to hear! 🙌 Thanks for sharing the feedback.

09.03.2026 17:17 👍 0 🔁 0 💬 0 📌 0
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If you're still looking for help with AGP 9 migrations for your Kotlin projects, don't forget to catch this video where I spent 20 minutes going through all the details you need to know! Pure Android or KMP, it's all in there.

www.youtube.com/watch?v=m0Cq...

09.03.2026 16:39 👍 8 🔁 0 💬 1 📌 0

This year again @zsmb.co and I are running Compose Multiplatform workshop at KotlinConf. Come and learn how to fix that nasty white padding behind the system home button on the screenshot below 🤣

06.03.2026 14:33 👍 4 🔁 2 💬 0 📌 0

Might as well cancel it

09.03.2026 06:43 👍 3 🔁 0 💬 0 📌 0

Love this new campaign that YouTube started to highlight who shared a given link with you. Hopefully it will make people more aware to start removing their tracking info from URLs.

08.03.2026 18:04 👍 3 🔁 0 💬 0 📌 0

Curious to know what @jetbrains.com Developer Advocates do on Bluesky?

Here's a list you should use 👇

bsky.app/profile/did:...

06.03.2026 13:08 👍 14 🔁 7 💬 0 📌 0
Post image

We are working hard on updating everything in our Compose Multiplatform workshop at KotlinConf for this year. AGP 9, Nav 3, and many many other goodies being packed in there.

Check out the details here: kotlinconf.com/works...

05.03.2026 16:08 👍 4 🔁 0 💬 0 📌 0

Workshop tickets *are* available for purchase if one of them interests you 😉

05.03.2026 08:58 👍 0 🔁 0 💬 0 📌 0

Of course it was! I've never seen a person in real life use a Mac Mini as an actual computer, but I've sure seen a lot of them used as CI machines

05.03.2026 08:57 👍 1 🔁 0 💬 2 📌 0

Just to the conference, I'm afraid. The workshops don't have the extra seats for our ~100 speakers!

05.03.2026 08:36 👍 1 🔁 0 💬 1 📌 0

People who complain about Windows updates must not have updated macOS before.

05.03.2026 08:34 👍 1 🔁 0 💬 2 📌 0

Big changes are coming with the latest version of the Android Gradle plugin.

In this video, @zsmb.co walks through what’s changing, why it matters, and how to upgrade your Kotlin projects with confidence.

👀 youtu.be/m0Cq6J-V_RY?...

04.03.2026 11:36 👍 9 🔁 1 💬 0 📌 0

Dear YouTube,

Can you stop fucking with the Subscriptions page for like 5 seconds

Cheers

04.03.2026 08:24 👍 5 🔁 0 💬 0 📌 0
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Okay. Let's talk AGP 9.

Check out the full video here: www.youtube.com/watch?v=m0Cq...

03.03.2026 14:36 👍 4 🔁 1 💬 1 📌 0
Video thumbnail

Okay. Let's talk AGP 9.

Check out the full video here: www.youtube.com/watch?v=m0Cq...

03.03.2026 14:36 👍 4 🔁 1 💬 1 📌 0
Migrating Kotlin projects to Android Gradle plugin 9.0
Migrating Kotlin projects to Android Gradle plugin 9.0 YouTube video by Kotlin by JetBrains

Let's talk AGP 9.0 by @zsmb.co. A perfectly cut 20:00 runtime. 👏

youtu.be/m0Cq6J-V_RY

02.03.2026 14:23 👍 10 🔁 3 💬 1 📌 0

Coincidence? I think not!

02.03.2026 14:31 👍 2 🔁 0 💬 0 📌 0
Migrating Kotlin projects to Android Gradle plugin 9.0
Migrating Kotlin projects to Android Gradle plugin 9.0 The latest version of the Android Gradle plugin from Google comes with some significant changes for Kotlin projects: 1. All Android apps should start using AGP 9.0’s built-in Kotlin support. 2. Kotlin Multiplatform projects that target Android will need to migrate to use the new Android KMP librar

AGP 9.0 includes some significant changes for Kotlin projects. Here's a video covering everything you need to know about the migration and pointing you to all the resources that can help you along the way.

02.03.2026 14:18 👍 7 🔁 1 💬 0 📌 1

Publicly accessible read-only link to the same post slack-chats.kotlinlang.org/t/32753380/t...

27.02.2026 16:25 👍 0 🔁 0 💬 0 📌 0
Slack

It should be pretty straightforward to migrate from that plugin to the official solution.

You can take a look at this post to try the latest implementation we have - and if you do, please leave feedback on the form there as well! kotlinlang.slack.com/archives/C09...

27.02.2026 16:24 👍 0 🔁 0 💬 2 📌 0

The Kotlin roadmap was just updated! Check out what you can expect the team to work on in the near future.

kotlinlang.org/docs/...

27.02.2026 13:35 👍 21 🔁 6 💬 1 📌 1

It blocks a shocking amount of garbage and works super reliably.

I'm always surprised what the internet looks like when I'm outside my Pi-hole secured bubble.

26.02.2026 08:22 👍 3 🔁 0 💬 0 📌 0

Pi-hole is an absolutely fantastic piece of software.

Even if it gets you into funny situations sometimes when you want to look at the docs for an analytics library or open an analytics dashboard.

26.02.2026 07:55 👍 5 🔁 0 💬 2 📌 0

Should be fixed in 2.4.0 and onward!

23.02.2026 08:07 👍 1 🔁 0 💬 1 📌 0

A free pro tip for those of you who have wisdom teeth:

Don't.

20.02.2026 18:56 👍 4 🔁 0 💬 0 📌 0

Join our CMP workshop! It's gonna be a great time.

19.02.2026 14:04 👍 4 🔁 0 💬 0 📌 0

Beautiful, truly 😄

15.02.2026 19:30 👍 2 🔁 0 💬 0 📌 0

The test data file I used in this PR? 😄

github.com/Doist/doistx...

15.02.2026 10:08 👍 0 🔁 0 💬 2 📌 0