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Sean T. Allen

@seantallen.bsky.social

76 followers 14 following 57 posts

www.seantallen.com

Posts Replies Media

Reposted by Sean T. Allen

Antithesis @antithesis.com · 02/10/2026

Online, everywhere on earth: Wednesday 10-07, 1100 EDT: @seantallen.bsky.social joins Behn Williams and Elvira Khamsin on a @leaddev.com panel, "Close the maintenance gap AI created," moderated by Sal Kimmich. 39% of AI-generated code gets rewritten within two weeks. leaddev.com/event/how-to...

Close the maintenance gap AI created

Turning velocity into durable delivery.

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 04/10/2026

Last Week in Pony - We Care a Lot Edition www.ponylang.io/blog/2026/10...

Last Week in Pony - October 4, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 27/09/2026

Last Week in Pony - Money Shot Edition www.ponylang.io/blog/2026/09...

Last Week in Pony - September 27, 2026 - Pony

Sean T. Allen @seantallen.bsky.social · 25/09/2026

I love me the mutation testing.

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Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 20/09/2026

Last Week in Pony - Thunderstuck Edition www.ponylang.io/blog/2026/09...

Last Week in Pony - September 20, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 13/09/2026

Last Week in Pony - Banana Splits Edition www.ponylang.io/blog/2026/09...

Last Week in Pony - September 13, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 06/09/2026

Last Week in Pony - Dolly, Willie, and Charley Edition www.ponylang.io/blog/2026/09...

Last Week in Pony - September 6, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 26/08/2026

Just a reminder. We do really appreciate your donations. opencollective.com/ponyc

opencollective.com

Pony - Open Collective

Pony is an object-oriented, actor-model, capabilities-secure, high performance programming language.

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 23/08/2026

Last Week in Pony - Effity Eff Edition www.ponylang.io/blog/2026/08...

Last Week in Pony - August 23, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 16/08/2026

Last Week in Pony - Mas Suicide Edition www.ponylang.io/blog/2026/08...

Last Week in Pony - August 16, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 15/08/2026

Pony's Arena Allocator www.ponylang.io/blog/2026/08...

Pony's Arena Allocator - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 09/08/2026

Last Week in Pony - Where Have All The Average People Gone Edition www.ponylang.io/blog/2026/08...

Last Week in Pony - August 9, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 02/08/2026

Last Week in Pony - This Corrosion Edition www.ponylang.io/blog/2026/08...

Last Week in Pony - August 2, 2026 - Pony

Sean T. Allen @seantallen.bsky.social · 21/07/2026

Look at the pretty slides you can come and see! And you know I will say a lot of words as well....

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Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 19/07/2026

Last Week in Pony - Roly Poly Edition www.ponylang.io/blog/2026/07...

Last Week in Pony - July 19, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 12/07/2026

Last Week in Pony - Caravan Edition www.ponylang.io/blog/2026/07...

Last Week in Pony - July 12, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 05/07/2026

Last Week in Pony - Baby Come Back Edition www.ponylang.io/blog/2026/07...

Last Week in Pony - July 5, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 28/06/2026

Last Week in Pony - I Put Something in Your Drink Edition www.ponylang.io/blog/2026/06...

Last Week in Pony - June 28, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 27/06/2026

Improving Runtime Test Coverage www.ponylang.io/blog/2026/06...

Improving Runtime Test Coverage - Pony

Sean T. Allen @seantallen.bsky.social · 23/06/2026

I remember the before times... www.seantallen.com/posts/github...

GitHub Is a Gift

GitHub has taken a beating lately, but I'm old enough to remember when open source developers scrounged for the machines to test their code. From there, free CI looks like a gift.

Sean T. Allen @seantallen.bsky.social · 23/06/2026

Until now, very few people knew this story. www.seantallen.com/posts/the-du...

The Due Diligence

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Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 21/06/2026

Last Week in Pony - Midnight Rider Edition www.ponylang.io/blog/2026/06...

Last Week in Pony - June 21, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 20/06/2026

Look Ma, I put a compiler in the compiler www.ponylang.io/blog/2026/06...

Look Ma, I put a compiler in the compiler - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 14/06/2026

Last Week in Pony - Horse Outside Edition www.ponylang.io/blog/2026/06...

Last Week in Pony - June 14, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 07/06/2026

Last Week in Pony - Uncloudy Day Edition www.ponylang.io/blog/2026/06...

Last Week in Pony - June 7, 2026 - Pony

Sean T. Allen @seantallen.bsky.social · 05/06/2026

Good creature

Sean T. Allen @seantallen.bsky.social · 02/06/2026

a little column a, a little column b.

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 31/05/2026

Last Week in Pony - Black Soul Choir Edition www.ponylang.io/blog/2026/05...

Last Week in Pony - May 31, 2026 - Pony

Sean T. Allen @seantallen.bsky.social · 30/05/2026

A+

Sean T. Allen @seantallen.bsky.social · 28/05/2026

Will Wilson and Me aka "How I end up at @antithesis.com" www.seantallen.com/posts/will-w...

Will Wilson and Me

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 26/05/2026

Pony's Errors Stop Unwinding the Stack www.ponylang.io/blog/2026/05...

Pony's Errors Stop Unwinding the Stack - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 24/05/2026

Round and Round www.ponylang.io/blog/2026/05...

Round and Round - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 24/05/2026

Last Week in Pony - Swing Low, Sweet Chariot Edition www.ponylang.io/blog/2026/05...

Last Week in Pony - May 24, 2026 - Pony

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 22/05/2026

Do you like compilers? Do you like making things fast? Making Finite Recursive Type Aliases Compilation Fast www.ponylang.io/blog/2026/05...

Making Finite Recursive Type Aliases Compilation Fast - Pony

Sean T. Allen @seantallen.bsky.social · 21/05/2026

If you've worked with me, you know I'm not a fan of the workflow and collaboration cycle that gets built up around "the PR". I finally wrote down a bit of that "for everyone". www.seantallen.com/posts/trunk-...

Trunk Based Development — Now More Than Ever

Sean T. Allen @seantallen.bsky.social · 20/05/2026

I only know one way to get things done and if you work with me, you've heard this before: www.seantallen.com/posts/baby-s...

One step at a time.

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Reposted by Sean T. Allen

Antithesis @antithesis.com · 19/05/2026

Consensus protocols like Raft and Paxos are a fundamental building blocks in thousands of modern distributed systems, so implementing consensus is a totally straightforward, drop-in operation by now. Right? Right?

Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 19/05/2026

Inside Pony's Finite Recursive Type Aliases www.ponylang.io/blog/2026/05...

Inside Pony's Finite Recursive Type Aliases - Pony

Sean T. Allen @seantallen.bsky.social · 18/05/2026

I was recently having a conversation with Sylvan. It was very similar to many conversations we have. Afterwards, I finally had a bunch of thoughts that had seemed different but "same shaped" for years click in a single shape. www.seantallen.com/posts/spooky...

Spooky Action at a Distance

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Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 17/05/2026

Last Week in Pony - You Wreck Me Edition www.ponylang.io/blog/2026/05...

Last Week in Pony - May 17, 2026 - Pony

Sean T. Allen @seantallen.bsky.social · 16/05/2026

A little ditty about writing "with Claude". www.seantallen.com/posts/claude...

Claude Jankowski

What writing with Claude has in common with co-writing Storm Applied with Janks, and what's not even close to similar.

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Sean T. Allen @seantallen.bsky.social · 14/05/2026

Hi San Francisco, I'm coming to visit. luma.com/zorjnr9f

Sean T. Allen on Behaviour-Oriented Concurrency · Luma

Main: Sean T. Allen on "When Concurrency Matters: Behaviour-Oriented Concurrency" Abstract: Expressing parallelism and coordination is central for modern…

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Sean T. Allen @seantallen.bsky.social · 14/05/2026

I see a @palvaro.bsky.social www.youtube.com/watch?v=jjVf...

Where all the ladders start | Peter Alvaro | Bug Bash 2026

YouTube video by Antithesis

Sean T. Allen @seantallen.bsky.social · 14/05/2026

fuck yeah.

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Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 14/05/2026

pony-doc: From the back pew to the front pew www.ponylang.io/blog/2026/05...

pony-doc: From the back pew to the front pew - Pony

Sean T. Allen @seantallen.bsky.social · 12/05/2026

Good talk on a great paper. www.youtube.com/watch?v=wzfC...

Will Wilson on Swarm Testing -- Papers We Love SF March 2026

YouTube video by Antithesis

Sean T. Allen @seantallen.bsky.social · 12/05/2026

I love that I work at a company that creates stuff like this.

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Reposted by Sean T. Allen

Pony @ponylang.bsky.social · 10/05/2026

Last Week in Pony - My Bucket's Got A Hole in It Edition www.ponylang.io/blog/2026/05...

Last Week in Pony - May 10, 2026 - Pony

Sean T. Allen @seantallen.bsky.social · 10/05/2026

@palvaro.bsky.social this is a family channel Peter. A family channel.

Sean T. Allen @seantallen.bsky.social · 07/05/2026

Definitely starting to hallucinate a little.

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