Principal Software Engineer @Microsoft Aspire & https://xitter.cf/t.co/LE9LGGmZuk. Author of Newtonsoft.Json.
Singapore
Joined January 2008
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Aspire discord users are clever and/or have too much time on their hands.
@aspiredotdev
discord.gg/vu7qBKANs
ALT Screenshot of message on Aspire discord that spells ASPIRE with reactions.
Blog post about how @aspiredotdev added one of its most requested features: dashboard persistence! 💾
📊 SQLite-backed logs & telemetry
🔄 Compare current and historical telemetry
🧠 76% less memory under load
📈 10× higher default telemetry limits
devblogs.microsoft.com/aspir…
James Newton-King ♔ retweeted
The Aspire 13.6 dashboard now uses Native AOT 💫 That means 66% faster median page-visible startup and no separately installed .NET runtime for the native dashboard executable. @JamesNK walks through how the team got there: devblogs.microsoft.com/aspir…
Casual PR to make Aspire dashboard metrics 45× faster. Just a minor SQL tweak and some caching. 🚀
45× faster actually undersells the improvement: the database now isn’t hit at all until it reaches capacity.
github.com/microsoft/aspire/…
James Newton-King ♔ retweeted
It's been a week since Aspire 13.6 released, and yes, it can run Doom! 🔥 @maddymontaquila shows you the highlights from this release in our latest YouTube video - youtu.be/mXPj2DK6CPk
Aspire 13.6 features, day 6
The dashboard lets you pause incoming telemetry so you can focus on the telemetry you already have. But it's important to know when the pause is active.
The pause notification is now consistently displayed across all pages 👀
ALT Screenshot of the console logs page with the pause notification highlighted.
Aspire 13.6 features, day 5
The scroll-to-bottom button got a few quality-of-life improvements:
📜 Correctly scrolls to the bottom while new content is added
👋 Disappears immediately when clicked
⚡ More efficient, with fewer observers watching for DOM updates
ALT Screenshot with the scroll-to-bottom button highlighted.
Aspire 13.6 features, day 4
The Aspire logo and purple in the dashboard were wrong 🚨😱☠️
Due to historical reasons, the colors and logo were close , but not the same as official Aspire branding. Literally unusable.
This critical issue was immediately prioritized and fixed 💜
ALT Screenshot of Aspire dashboard header
Aspire 13.6 features, day 3
The Aspire dashboard goes Native AOT! 🤯
🚀 66% shorter page-visible startup
⚡ More responsive UI
📦 No installed .NET runtime required
🛠️ Built on .NET 11 for the latest features and Blazor fixes
Try it today. @aspiredotdev 13.6 is out now!
ALT Median page-visible startup graph
James Newton-King ♔ retweeted
🚨It's release day!!!🚨 Hello Aspire 13.6, and hello dashboard persistence👋🏻 One of the longest awaited Aspire features has now landed, along with plenty of other goodies.
🪶 Read the blog: devblogs.microsoft.com/aspir…
📜 See the full What's New: aspire.dev/whats-new/aspire-…
Aspire 13.6 features, day 2
Hover over a resource in the resource graph to reveal the new menu button, then quickly access:
🔗 Resource URLs
⚙️ Commands
📌 Quick links
✨ And more!
The menu was already available via right-click. Now it's much more obvious and discoverable.
Aspire 13.6 features, day 1
Dashboard persistence! 💾 The Aspire Dashboard now saves incoming telemetry to SQLite
🔄 Compare current and historical telemetry
🕒 Keep telemetry across dashboard restarts
🧠 Lower memory usage
📈 Higher default telemetry limits - 100,000+ items
ALT Screenshot of the dashboard run selector.
James Newton-King ♔ retweeted
He discovered Rails is slow today
Been running a beta version of Campfire rewritten in Rust today! The code itself is still ugly as sin, and 6x as verbose, but the conversion was free*, and I never had to look at the Rust directly, so this is awesome 🤩 github.com/basecamp/once-cam…
James Newton-King ♔ retweeted
Out now: The Microsoft Fluent UI #Blazor library v5!
It is finally here.
As said, this is not just a drop-in replacement for v4. But we have docs and an MCP server to help you migrate.
See fluentui-blazor.net for more information. Packages are on NuGet Now!
ALT Example of a master/detail DataGrid
James Newton-King ♔ retweeted
Hey @pierceboggan, we heard the @github Copilot app can export OTel now... do we have a dashboard for you 👀💫
Super easy to set up 👉🏻 aspire.dev/dashboard/standal…
A tour of everyone's favourite Aspire feature: the dashboard 🔥🚀💪🧨🤯
New Aspire Bytes episode just dropped! 💫 @maddymontaquila takes you on a tour of the Aspire dashboard - the control center for your local dev loop.
📺 youtube.com/watch?v=IeTaiwnj…
Server Side Rendering and Web Components are a pretty good combo.
The Web Component lifecycle gives you a clean place to attach and clean up behavior as server-rendered components are added to and removed from the page.
AI slop diagram:
For example, I used a web component here: github.com/microsoft/aspire/…
It replaces a whole bunch of scanning for SSR elements to attach behavior with a web component that simply initializes itself when it's rendered ✨
James Newton-King ♔ retweeted
🎸 .NET 11 goes to 11. 🔥
Smarter JIT deabstraction, fewer allocations, fewer bounds checks, tighter loops, SIMD boosts, and hundreds of runtime/library optimizations. ⚡
Your code may get faster without changing a line.
📖 Read: msft.it/6011abvXZ
ALT A cartoon character, resembling a robot, rides a pink rocket labeled '.NET 11' against a purple background. The text 'Performance Improvements in .NET 11' appears prominently to the left.