Avalonia UI

Some of the team are at Techorama this week! If you're attending, drop by the stand and say hello! 👋

Building apps with Avalonia is about to get a whole lot easier. #dotnet #AvaloniaUI

On 22 October an attacker got into our website CMS using an admin token accidentally exposed in the site's JavaScript. It's revoked and the site rebuilt. We've found no access to customer portal data, payments or licence keys. No action needed from you. avaloniaui.net/blog/securi...

Techorama has gone medieval this year, so we’re coming to rescue WPF apps from their Windows tower. 🏰 Kinepolis Jaarbeurs Utrecht, 26 to 28 Oct. @TechoramaNL

Someone ported VLC 3’s UI to Avalonia on Windows, macOS, and Linux in just 16 working days (290 commits). Absolute madness. 🤯 Got an Avalonia Port Challenge entry of your own? You have until this Friday, Oct 23 at 23:59 UTC! Reminder: don’t forget to document what broke along the way.

With Avalonia, you can build anything using C# and .NET. Check out this car dashboard and infotainment system demo! From embedded IoT devices to cross-platform apps, one framework does it all without compromising performance.

Last week, we opened the doors to our new office in Tallinn, Estonia! We've always been a proud Estonian company, and we're thrilled to invest in a local team to support our incredible recent growth. Want to join us? We're hiring: avaloniaui.net/careers #Eesti #Tallinn

Announcing Live Geometry: livegeometry.com Try it out especially if you have geometry-aged kids. Built using @avaloniaui.net

A PDF Viewer just landed in Avalonia Pro. Render, search, fill forms, annotate, bookmark, redact and print. Works on Windows, macOS, Linux, iOS, Android and the browser, all from a single package. avaloniaui.net/pdf-viewer

Here's NeoHtop, a cross-platform system monitor app, ported from Tauri and Rust to Avalonia and Rust. Yes, you read that last part right, @avaloniaui.net in Rust 👇

Hot Reload for Avalonia is here 🔥 Edit your XAML or C#, and see the changes immediately in your running app. No restart. No renavigation. Support for Windows, macOS, Linux, iOS and Android. avaloniaui.net/blog/hot-re...

ILSpy working in a browser: osenkov.com/ilspy Powered by @ilspy.bsky.social and @avaloniaui.net

Want to try Avalonia Pro controls? It’s never been easier! 🚀 We’re leveraging Avalonia's WebAssembly support to bring live, in-browser demos right to our website. No setup required. Try it today: avaloniaui.net/rich-text-e...

Today marks 35 years since Estonia restored its independence. In those 35 years, Estonia has built an extraordinary global reputation for technology and digital innovation. We’re incredibly proud that Avalonia is an Estonian company! 🇪🇪

You are interested in learning about #ILSpy's journey from #WPF to @avaloniaui.net? We are doing a livestreamed in-person event in Vienna in October! Sign up at dotnetdevs.at/events/2026-...

Parcel 1.1.0 is available to download. - Added MSIX & PKG packaging support. - Added File Associations and URL Schemes support for all target platforms. - Added an "Exclude files" setting to remove files and directories from the published output before packaging. avaloniaui.net/parcel

Do you need a powerful cross-platform diagramming solution? Then check out yFiles for Avalonia! yfiles.com/avalonia It’s fantastic to see more and more trusted component vendors supporting Avalonia.

Looking for some fun Avalonia themes? Check out the experimental themes from Tim ❤️ github.com/drasticacti...

The hack week is over and the team have worked on some very interesting project! Here’s one from Nikita 👀

We're having one of our regular hack weeks. It's a chance for the team to pause the roadmap and spend the week working on their wildest, craziest ideas. Day one is a wrap and we've already got some rather interesting things!

We've just released Avalonia 12.1.0, which includes: - Wayland support (our of private preview) - New TableView Control - Render improvements - Our first release to include an SBOM avaloniaui.net/blog/releas...

Last week Mike and Julien popped over to Amsterdam to spend the day with some of the @uxdivers.bsky.social team. They've been doing incredible work with Avalonia! If you're looking for a partner to help you modernise your apps, you absolutely need to chat with them! uxdivers.com/avalonia

One year ago today, @devolutions.net committed $3M to support Avalonia's open-source development. Today, we’re sharing exactly how that sponsorship has changed the trajectory of our framework. avaloniaui.net/blog/year-o...

We’ve submitted a PR to add the Avalonia backend to the default .NET MAUI templates. The goal is to make it easier to create and run .NET MAUI applications powered by Avalonia across every platform! github.com/dotnet/maui...

Avalonia XPF turns 4 today. 4 years ago, we committed the very first lines of code that would make WPF cross-platform. Since then, countless organisations have used XPF to modernise existing applications, reach new platforms, and extend the life of their WPF apps. avaloniaui.net/xpf

Looking to add real-time 3D visualization support to your Avalonia app? @EvergineTeam has you covered! evergine.com/evergine-av...

We’re live at 13:00 CET with Daniel Peñalba, diving into how Unity Games uses Avalonia. Join us live and bring your questions. www.youtube.com/watch?v=_ZX...

RichTextEditor for Avalonia is here! The most-requested control in Avalonia's history has shipped. A complete document framework, not just a control. RTF, DOCX and XAML in the box. Virtualised throughout 🚀 avaloniaui.net/blog/rich-t...

70+ charts just shipped with Avalonia Pro. Fully MVVM-ready, stylable, and built for performance. Learn more: avaloniaui.net/blog/charts

Avalonia 12 support was added to Mapsui 5.1.0-beta.7 🎉We had quite some requests for this. Can I have some cheers from the Avalonia community?! Release notes: github.com/Mapsui/Mapsu... @avaloniaui.net @neilmacmullen.bsky.social

Want some help porting from WPF to Avalonia using AI? Learn how you can use our Build MCP to speed up the process. avaloniaui.net/blog/portin...

Lots of WPF modernisation projects go wrong before the first line of code is written. The mistake is treating it as a framework decision. It's really a business decision about risk, roadmap, hiring, platforms and the next decade of your product. avaloniaui.net/blog/wpf-mo...

You may have missed this in the Avalonia 12.0 launch... Our VS Code extension is now completely free. No account needed. No usage restrictions. Download. Install. Develop. avaloniaui.net/vscode/

1007 days since we released Avalonia 11. Avalonia 12.0 is available NuGet now! Our mantra has been: PERFORMANCE, PERFORMANCE, PERFORMANCE! avaloniaui.net/blog/avalon...

Avalonia 12.0.0 RC2 is here. Your feedback on RC1 drove real improvements, and we're getting very close to a stable release. Give it a spin and let us know how you get on! github.com/AvaloniaUI/...

The team at Icons8 have taken Lunacy to the browser! This is the coolest Avalonia on WASM app we've seen yet! lunacyapp.com/

The first public preview of the Avalonia backend for .NET MAUI is now available! If you’ve been looking for a way to bring your .NET MAUI apps to Linux and the browser, take a look. avaloniaui.net/blog/maui-a...

Building Avalonia apps with AI? Avalonia Build MCP supercharges your workflow. It gives your AI always up-to-date access to our docs, plus tools and prompts to write better Avalonia code. avaloniaui.net/blog/your-a...

You absolutely need to tune into the latest .NET Rocks episode! dotnetrocks.com/details/1993

Avalonia 12.0.0 Preview 1 is here. Try it, break it, tell us about it. avaloniaui.net/blog/avalon...

Avalonia was featured in the latest edition of @JetBrainsRider Open Source in Focus ❤️ blog.jetbrains.com/blog/2026/0...

Our CEO 'built' a stunning Avalonia app, between emails, meetings and other boring tasks. He used Claude Code, Stitch and the Avalonia DevTools MCP server to build something that looks 10x better than the existing samples. Here's how: avaloniaui.net/blog/accele...

Massive milestone achieved! Avalonia has just hit 30,000 stars on GitHub! ⭐ A massive shoutout to our incredible community! Your passion powers the ultimate cross-platform UI framework for .NET.

We've released a preview of our completely rewritten Avalonia for VSCode extension. Powered by the same new XAML parser as our Visual Studio extension, it a ton of new features! Let us know what you think! avaloniaui.net/blog/avalon...

Avalonia 12 docs are getting a major upgrade. We're adding better UX for those using AI agents, along with a huge improvement to code snippets. Snippets are becoming fully interactive. 🔥 Edit and experiment with functionality in the docs!

Heading to #NDCLondon? Be sure to say hello to Michael and Luke ❤️ They’re loaded with treats, quality swag, and eager to chat about cross-platform development!

We've shipped the Avalonia DevTools MCP server in 2.2.0-beta2. Watch Claude recreate a production UI view from a screenshot, inspecting properties, comparing outputs, and iterating until it's pixel-perfect. This is what agentic development looks like: avaloniaui.net/blog/avalon...

You can now subscribe to Avalonia Accelerate on a 'rent-to-own' basis! 🚀 Subscribe for 12 months and receive a perpetual license at the end. This is just one of the improvements available in our new Avalonia portal. avaloniaui.net/blog/introd...

One .NET MAUI app, two backends. On the left, it’s running on Catalyst. On the right? That's running on the Avalonia backend. We're making great progress on the MAUI backend with huge wins coming for mobile devs using Avalonia!

RestApia reimagines API testing with Avalonia! No more form-based hassles - just pure coding flexibility for building and testing your HTTP requests. When devs want power tools that respect their workflow, they build with Avalonia. restapia.app