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Jeremy D. Miller (The Shade Tree Developer)

@jeremydmiller.bsky.social

Husband to Lindsey, Dad to Max, Declan, and Aubrey, and owner of JasperFx Software (https://jasperfx.net). I take pull requests. Go Chiefs! I occasionally blog at https://jeremydmiller.com.

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Jeremy D. Miller (The Shade Tree Developer)@jeremydmiller.bsky.social · 2h ago

The Critter Stack is adding a new testing tool to make integration tests be more reliable and to turn xUnit/TUnit/NUnit/MSTest into an effective BDD inspired Executable Specifications tool jasperfx.net/news/bobcat-...

Succeeding with Test Automation using Bobcat

Bobcat is the Critter Stack's new spec-driven integration testing framework, and we have already used it to make our own CI builds and local gating faster and more trustworthy. This is the test automa...

jasperfx.net

Jeremy D. Miller (The Shade Tree Developer)@jeremydmiller.bsky.social · yesterday

For .NET devs, there are other options than EF Core that can be much more productive in plenty of scenarios: Storing and Querying a Hierarchy of Types with Marten jeremydmiller.com/2026/10/19/s...

Storing and Querying a Hierarchy of Types with Marten

I was giving a version of the workshop on CQRS and Event Sourcing to a JasperFx client today (because that’s something that we do if you’re interested!). In the workshop, I give a littl…

jeremydmiller.com

Jeremy D. Miller (The Shade Tree Developer)@jeremydmiller.bsky.social · yesterday

The Critter Stack already had what I'd argue is the best in the industry story for blue/green deployments with Event Sourcing, and it just got even better: jasperfx.net/news/rebuild...

Rebuilding Projections Without Downtime

Wolverine 6.51 adds a warm-up node role for blue/green deployments: spin up the new release's nodes with no messaging at all, let them rebuild the new versions of your Marten or Polecat projections of...

jasperfx.net

Jeremy D. Miller (The Shade Tree Developer)@jeremydmiller.bsky.social · yesterday

It's a real problem in the realm of technical writing. I was cringing today giving a workshop where many of the slides were very obviously written by Claude Opus. And I openly mock one of my project's competitors for doing so much of their public facing material w/ Claude.

John Scalzi@scalzi.com · yesterday

Thread, and yes, pretty much every word of this, re: authors being able to spot "AI" writing. I've noted before that if you see "AI" writing once, it looks reasonable. When you see a hundred times, it's exhausting in its sameness. I get dozens of "AI" come-ons in my email EVERY. SINGLE. DAY.

Jeremy D. Miller (The Shade Tree Developer)@jeremydmiller.bsky.social · 5d ago

JasperFx and the Critter Stack community has had quite a journey making our agent assignment subsystem for clustered applications scale and gracefully deal with blue/green deployments: jasperfx.net/news/wolveri...

Wolverine's Agent Assignment at Scale

How Wolverine's leadership election and agent assignment subsystem grew up: why it exists, what 512 databases and 18,000 agents taught us about reassignment swarms and hysteresis, how we test it now, ...

jasperfx.net

Jeremy D. Miller (The Shade Tree Developer)@jeremydmiller.bsky.social · 6d ago

New capabilities in Wolverine to broadcast messages to all connected clients in a cluster using NATS and more as an addition to our existing SignalR support: jasperfx.net/news/wolveri...

Broadcasting to Every Node with Wolverine

Most messaging is about one node handling each message, but sometimes every node needs a copy. Here's how to do that with NATS in a Wolverine application, the new BroadcastToAllNodesAsync() in Wolveri...

jasperfx.net