Jonathan Peppers

.NET 11 Preview 1 is out!
devblogs.microsoft.com/dotnet/dotne...

We've been working on better framework and device selection to streamline 'dotnet run' for .NET MAUI. Try it out and let us know how it works!

I think I'm finally bored of funemployment and ready for something new.

Hit me up if you know of anyone looking for a solid desktop or backend .NET Senior Software Engineer.

I prefer startups or smaller companies, but whatever.

CV: jpobst.com

.NET Diagnostic Tooling with AI Discover how AI is revolutionizing .NET diagnostic tooling. In this session, Jonathan Peppers will showcase the latest advancements in diagnostic tools powered by artificial intelligence, including automated performance analysis, intelligent error detection, and AI-driven debugging workflows. Learn how to leverage these new capabilities to identify issues faster, optimize your applications, and improve developer productivity. Whether you're troubleshooting complex problems or seeking to enhance your diagnostic processes, see how AI is transforming the way .NET developers build and maintain high-quality applications. .NET 10 — The most intelligent and unified .NET yet: https://msft.it/63324tsV5y .NET Aspire 13 — Simplified orchestration for cloud-native apps: https://msft.it/63327tsV5z https://msft.it/63329tsV53 Core 10 — Modern, secure, and full-stack web development: https://msft.it/63321tsV5P .NET MAUI 10 — Build beautiful apps on every platform: https://msft.it/63323tsV5R C# 14 — A more expressive and productive language: https://msft.it/63325tsV5T F# 10 — Safer, faster, and more functional than ever: https://msft.it/63327tsV5V Visual Studio 2026 — Faster, smarter, and built for the future: https://msft.it/63329tsV5X Connect with .NET: Blog: https://msft.it/63321tsV5Z Twitter: https://msft.it/63323tsV5b TikTok: https://msft.it/63325tsV5d Mastodon: https://msft.it/63328tsV5g LinkedIn: https://msft.it/63320tsV5i Facebook: https://msft.it/63322tsV5Y Docs: https://msft.it/63324tsV5m Forums: https://msft.it/63326tsV5o 🙋‍♀️Q&A: https://msft.it/63328tsV5q 👨‍🎓Microsoft Learn: https://msft.it/63320tsV5s #dotnet

Discover how AI is revolutionizing .NET diagnostic tooling.

In this #dotNETConf session replay, we explore the latest advancements, including automated performance analysis, intelligent error detection, and AI-driven debugging workflows. 🎥 msft.it/63322tsV5Q

Reposting here, just because this is 👨‍🍳🤌

#startrek #kittens #engage

I’m using it as an excuse to fix cli commands, so should be good for everyone!

Performance Profiling - .NET MAUI Learn how to profile the performance of your .NET MAUI app.

We now have an official profiling doc for .NET MAUI:
learn.microsoft.com/dotnet/maui/...

This gathers info from various wikis in one place and has simplified instructions for dotnet-dsrouter!

We've detected that you are speaking in Gibberish.

My @microsoftteams.bsky.social #MSTeams keeps popping this up, weird.

Backup plan if AI makes me obsolete 👀

I’m working on a new genre of short film at www.tiktok.com/@jonpeppersk...

Please let me know if these are any good, this is my life’s work.

What it’s like working at MSFT these days

Don’t ask me how my day went

Announcing Uno Platform and Microsoft .NET team Collaboration Announcing the partnership between Uno Platform and Microsoft’s .NET team: deeper collaboration, key contributions to .NET MAUI, SkiaSharp, and more.

Dear .NET community

Announcing our official collaboration with Microsoft!

We’re stepping up our contributions to .NET, helping advance the ecosystem as a whole.

Preparing Your .NET MAUI Apps for Google Play's 16 KB Page Size Requirement - .NET Blog Learn about the upcoming 16 KB page size requirement for Google Play and how to ensure your .NET MAUI apps are ready for the November 2025 deadline.

Big news for .NET MAUI developers!
Google Play now supports 16 KB page sizes, making it easier to publish apps built with #dotNETMAUI on Android devices using modern hardware.

Learn how this impacts your MAUI projects and what steps you need to take: msft.it/63324stSSk

Photo of a developer wearing headphones and coding and listening to a podcast. Text reads: Jonathan Peppers: GitHub Copilot for Maui Applications

From Xamarin MVP to shaping the future of cross-platform dev—Jon Peppers shares his journey and insights on the #dotNETMAUI team. Hear how his experience spans everything from WPF self-checkout systems to home automation on Extreme Home Makeover. Listen now: msft.it/63325ssG2W

YouTube video by MonoGame MonoGame: August 2025 AMA - Jonathan Peppers and Draw a Stickman: EPIC

Also part of our last AMA was @jonathanpeppers.bsky.social talking to us about the 5 million+ download hit, Draw a Stickman: EPIC. Watch it here - www.youtube.com/watch?v=qvjr... .

11th MonoGame "Open Hours" AMA session | MonoGame One framework for creating powerful cross-platform games

Our 11th "Open Hours" AMA

When: Wednesday 20th of August @ 12:00 EDT, 16:00 UTC, 17:00 BST, 18:00 CET

More details here:
monogame.net/blog/2025-08...
Special Guest -
@jonathanpeppers.bsky.social
of Draw a Stickman EPIC❗️

Join via:
discord.gg/H2tAkbSq?eve...

See you there!

Join us for our 11th "Open Hours" AMA

When: Wednesday 20th of August, @ 12:00 EDT, 16:00 UTC, 17:00 BST, 18:00 CET

More details here:
monogame.net/blog/2025-08...
Special Guest - @jonathanpeppers.bsky.social of Draw a Stickman EPIC❗️

Join via:
discord.gg/H2tAkbSq?eve...

See you there!

NativeAOT is not really useable on Android in .NET 9 at all, but it is definitely more useable in .NET 10. I would expect it to remain experimental for at least one more release, though.

spot art. text reads: Developer productivity How the .NET MAUI Team uses GitHub Copilot for Productivity

The .NET MAUI team is using GitHub Copilot to automate the boring stuff—PRs, tests, and more.
Want better results? Add a .github/copilot-instructions.md to guide it.
#GitHubCopilot is reshaping #DevLife
🔗 msft.it/63320S74m0

How the .NET MAUI Team uses GitHub Copilot for Productivity - .NET Blog How the .NET MAUI Team uses GitHub Copilot for Productivity

Posted some tips on how the .NET MAUI team assigns "easy tasks" to GitHub Copilot Coding Agent:
devblogs.microsoft.com/dotnet/maui-...

x can be a property that just says throw new NullReferenceException

Photo of Jonathan Peppers Illustration of .net bot ninja text reads: The modern .NET Show

Whoa! @JonathanPeppers’ .NES lets you code #CSharp for the NES! Hear about compiling C# to binary with AOT, tackle memory and sprites, and build retro games. Amp up your coding game... Listen in. 🎧 https://msft.it/63327SraRU

YouTube video by Annabelle Martin BUC-EES ‼️ Walk in with me ⛽️ Richmond, Kentucky

youtube.com/shorts/Lus7h...

You need to check out Buc-ee’s but maybe that is a southeast thing.

Hang in there! I found having a non-coding hobby helps a lot.

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MSBuild target graph. Hope it helps!

dotnet bot in a racecar. text reads: .NET MAUI Performance Improvements

Discover the exciting new features in .NET MAUI with .NET 9! ⚡ Enjoy enhanced performance, improved productivity, and a smoother development experience. Check out the future of app development and see the difference! https://msft.it/63327UhVj1
#dotNETMAUI

.NET MAUI Performance Features in .NET 9 - .NET Blog Optimize .NET MAUI application size and startup times with trimming and NativeAOT. Learn about `dotnet-trace` and `dotnet-gcdump` for measuring performance.

Just posted some goodies about .NET MAUI in .NET 9: devblogs.microsoft.com/dotnet/dotne...

Thanks! This is from a long time ago. It likely still works great, .NET for iOS and .NET MAUI still use these ObjC functions today.

I live in Bowling Green, KY on this route where there is an L&N train museum. I can’t imagine how awesome it would be to take a train to Nashville or Louisville instead of lanes and lanes of traffic sadness.