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Lukas Klingsbo (spydon) 💙🔥

@spydon.dev
767 followers 168 following 301 posts

GDE for Flutter & Dart. Organizing Flutter & Friends. 🥳 Developing #FlameEngine, a game engine for Flutter. 🔥 Member of the Blue Fire open source collective. 💙 (He/Him)

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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 24/09/2026
In Flame v2 you'll be able to have Flutter widgets as parts of the Flame component tree, with working priority (z-index) and everything! 😃
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 14/08/2026
My PR to Dart was number 1337 closed (PRs are closed when done since they go through another system). Do I win anything? Probably not. But if you want to win something, come to @flutterfriends.dev, we have so much swag, for example Flutter E-ink badges for everybody, 50 dashes and t-shirts etc 😁
Shows a PR to dart/sdk that is the 1337th closed one
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 20/07/2026
Wow, I love Dart's native assets feature! 💙 I just finished completely rewriting Forge2D from being a Dart port of Box2D to embedding Box2D v3 directly instead (wasm for web). It's about 20x more efficient now and we can easily stay up to date with new Box2D updates. 🔥
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 30/06/2026
Did a little fun project that simulates the contributions to a git repository of your choice, try it out! It uses Flutter, Flame and Supabase.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 23/06/2026
Always feels good to get recognition for maintenance work in the Flutter/Dart ecosystem! 😊
PR comment saying: "(Lukas, you are maintaining everything, it's amazing. Half of the Flutter ecosystem depends on you, lots of kudos.)"
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 02/06/2026
Yesterday I joined @supabase.com as an SDK Engineer (Flutter)! This is a dream job for me, since most of you know, I'm a very active open source proponent and developer, and getting the chance to work on an OSS product that I use a lot and that has a great community around it will be 🔥
An invitation to the Supabase github organization
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 21/04/2026
A PR was just merged that unpins all (except one minor) Flutter dependencies! 😍 No more dependency hells when upgrading minor/patch versions of collection, meta, vector_math, intl, path etc in your apps and packages. 🥳
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 24/02/2026
Really looking forward to the Dart primary constructors that are planned to be released during 2026!
class Point {
  int x;
  int y;
  Point(this.x, this.y);
}

With the primary constructor feature, this class can defined with this much shorter syntax:

class Point(int x, int y);
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 08/10/2025
Starting from Dart v3.11 the workspace definition will support globs! Thanks to Sigurdm for implementing it, it will make our root pubspec files so much cleaner and more reliable. 💙
A list of a long workspace definition before and after globs
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 23/09/2025
Is there any Flutter project on GitHub with more stars (68k) than the super convenient LocalSend app by @tienisto.bsky.social? 🤩
The localsend GitHub page, showing 67837 stars and 3631 forks.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 14/08/2025
I love the Flipper Zero so much! 😍 Like today I needed to flash my router and didn't have a USB-UART converter, and of course Flipper Zero covered that use-case, just like it covers a million other weird use-cases I throw at it. It really is the best hackers Swiss army knife!
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 03/07/2025
The new Preview annotation in Flutter will be cool I think! 😍
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 26/06/2025
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 17/06/2025
"With over half a million apps built and a rapidly growing developer community, Flutter is no longer just an emerging framework — it’s becoming the go-to choice for product teams aiming to scale fast and deliver consistent user experiences across iOS and Android." - Microsoft
Cross-platform mobile frameworks used by software developers worldwide 2024-2025, with Flutter at 42% and React Native at 38%
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 25/05/2025
The current follower count and the Flame logo makes my GitHub profile look pretty metal. 😄
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 23/05/2025
Remember friends; make sure that you and everyone you like adds this to analysis_options.yaml after updating to Dart 3.8.0 so that we make it the de-facto standard, even though it is not default. 😄 I have not heard a single good argument for not preserving the trailing commas.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 14/05/2025
If this works well, it is revolutionary for Flutter (and iOS) development! Especially for us Linux folks. 😍
A screenshot of xtool's GitHub:
Cross-platform Xcode replacement. Build and deploy iOS apps with SwiftPM on Linux, Windows, and macOS.
Overview

xtool is a cross-platform (Linux/WSL/macOS) tool that replicates Xcode functionality with open standards.

✅ Build a SwiftPM package into an iOS app
✅ Sign and install iOS apps
✅ Interact with Apple Developer Services programmatically
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 14/05/2025
And they are always bashing you ;D The meme in question:
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 07/05/2025
Really looking forward to the new Null-aware elements feature that is coming with the next Dart version that is bundled with Flutter!
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 04/05/2025
Quite happy with the Flutter loader in the end of this video. Thanks to @lohnn.bsky.social for the inspiration!
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 03/05/2025
Have you seen the new Dart static access shorthand feature? It's now in the main branch. 😍 Thanks to @remirousselet.bsky.social for showing it to me.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 11/04/2025
Are you still doubting Flutter? Check out this part of the latest benchmark video by Gaurav Bhola. 🔥
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 31/03/2025
Kudos to @supernote.com for displaying a great changelog on the device before updating! 🙌
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 22/03/2025
Haha apparently a really obscure paper that I was a co-writer of in 2015 is in there too. 😆
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 16/02/2025
A long time since I created a new Effect for Flame, this is the RotateAroundEffect which will be released in the next version.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 03/01/2025
I finally had time to complete the last puzzle that I had left on #AdventOfCode 2024, great job all the folks that did their best to finish them all on the Dart leaderboard! 😍 Congrats to @hari07.bsky.social that won this year! 🥳 Top 10 on the Dart leaderboard:
The top ten users of the Dart leaderboard, with Hari-07 in the top!
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 18/12/2024
Sometimes you just find these real hidden Dart extensions gems! ✨ Today I found this StreamExtension for parallelism in Melos, which makes it super easy to run a stream in parallel (can easily be used together with isolates too): `stream.parallel((input) => // Your computation);`
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 04/12/2024
Check out this awesome Flame game that was just released; Idle Horizons (links in the comments)! I love to see when people build such polished games with Flutter & Flame. 😍
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 22/11/2024
I very rarely take pictures or videos, but I just found this gem on an old harddrive from when I was hitchhiking through Canada a few years ago and decided to try out another mode of transportation. 😅 I have never felt so free in my whole life.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 21/11/2024
Since transitive dependencies are counted, most of the downloads come from these three packages, but I think dart_mappable will grow a loooot in the near future. Seems like it is becoming the default in many project stacks. 😃
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 21/11/2024
Apparently I'm now top 11 for open source contributions on GitHub in Sweden for this year! It's a real honor being just two positions away from Daniel Stenberg (curl), which undoubtedly is one of the biggest open source profiles in Sweden. 😊 Let's aim for top 10 in 2025!
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 20/11/2024
Dear Santa, please don't give us union types, teach the people how to use Sum types instead. 😅
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 14/11/2024
From Dart v3.7.0, local variables and parameters named _ are non-binding so you can declare them as many times as you want in the same scope without collisions! 😍
Foo(_, this._, super._, void _()) {}

main() {
  var _ = 1;
  int _ = 2;

  list.where((_) => true);
}
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 06/11/2024
You can get 33 000 sound effects for free from BBC's archives! 😍 They should be very useful when making games.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 31/10/2024
81% of the community said that Flock is not something that they want. The poll got 394 votes (not counting "See results"), the result was 320 vs. 74. You'd think that if someone tries to drive a community effort like this, they'd actually establish it with the community first.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 06/09/2024
I just got the news that I won $80,000 in the LG webOS Hackathon! I built a game where you are a wizard controlling a wand with the TV remote (with gyroscopic sensors) to cast spells and defeat your enemies. So now I'm going to Seoul, South Korea and presenting the game at the end of the month! 😍
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 31/05/2024
The first batch of speakers for Flutter & Friends is now released! And just wow, look at that line-up!!! 😍 And btw, we just opened up a weekend sale with 20% off on the tickets (most likely the last sale). 💸 flutterfriends.dev
The pictures and names of the people in the first batch of speakers for flutter & friends.
The following speakers are listed:
Darja Orlova
Kilian Schulte
Luan Nico
Roaa Khaddam
Akanksha Singh
Pavel Sulimau
Renan Araujo
Majid Hajian
Filip Hracek
Craig Labenz
Vyacheslav "Slava" Egorov
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 02/05/2024
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 02/05/2024
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 19/02/2024
After a huuuuge success last year, Flutter & Friends 2024 is now in the making! 😍 If you buy your ticket on Thursday - Friday, you'll get 2 tickets for the price of 1! This is most likely the best Flutter conference price ever, so find a friend and get your tickets. 🧑‍🤝‍🧑 flutterfriends.dev
Flutter & Friends logo on a background of central Stockholm, text saying 1-3rd September 2024. Stockholm, Sweden.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 07/02/2024
FlameCon is back! 😍 FlameCon 6 will be held online on the 26th of February, 18:00 UTC with some amazing Flutter & Flame talks by Brandon DeRosier, Mark Videon, Grayson Erhard, @wolfenra.in and ending with a Q&A with the whole Flame team. 🔥 www.youtube.com/watch?v=Mznf...
The agenda of Flamecon 6:

Brandon DeRosier - Flutter: Are we 3D yet?
Mark Videon - Fire & Water: A Tour of flame_riverpod
Grayson Erhard - Gigabull's Glitches: Crafting Solutions with Flame 🚀
Jochum van der Ploeg - Flame: Building The Third Dimension

Flame Team - Q&A
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 03/12/2023
Dart folks, join the Dart leaderboard for Advent of Code! 🍻 425912-8e09f2ba
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 14/11/2023
Happy to announce that I'm now Flutter & Dart GDE! 💙 After a long discussion with Leo Farias at Flutter Conf LatAm he convinced me to apply, and here we are. 😄
Profile picture of Lukas Klingsbo smiling, with a GDE badge for Flutter & Dart.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 22/10/2023
Today is Flame's 6th birthday and we have a little competition for you where I'll send the winner a really nice embroidered Flame t-shirt + stickers! 🥳 Create a Flame game with 300 lines or less and share a video of it tagged with #Flame6Years. Full rules in the comments. 🧑‍⚖️
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 28/08/2023
Today we hosted 1-on-1's for our speakers with the great speaker coach Malcom Larri! 🗣️ It was very appreciated by our speakers and I think it will be appreciated by the audience at Flutter & Friends too. 😊
A picture from the side of the speaker coach Malcom Larri.
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Lukas Klingsbo (spydon) 💙🔥 @spydon.dev · 08/08/2023
On Friday 07:00 (CEST) we'll start a Flash Sale of Flutter & Friends tickets (for 195€), sponsored by our platinum sponsors App Shack and Hackberry! 💙 It will go on 'til for 41h, if you have been hesitant to get tickets due to the prize earlier, be ready on Friday! 💸 flutterfriends.dev
A gif saying "Flash Sale"
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