Jon Kuperman
@jonkuperman.com
6.6K followers 790 following 1.6K posts
TC39 - Signals - Source Maps - TS/JS @Bloomberg. Previously I did web at Adobe and Twitter. Opinions are my own.
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Reposted by Jon Kuperman
lit.dev
Lit @lit.dev · 1d
Lit is joining @openjsf.org! 🎉

Today at JSConf, The OpenJS Foundation announced Lit is officially joining as an Impact Project!

We're beyond excited for this move and look forward to continuing our work to build the open web with OpenJS!

Read more on our blog: lit.dev/blog/2025-10...
Lit is Joining the OpenJS Foundation!
Lit is officially joining the OpenJS Foundation as an Impact Project!
lit.dev
jonkuperman.com
I get carsick in London but not in America and I don’t understand why
jonkuperman.com
Mine has gotten so terrible, but I suspect part of it is that I only log on once ever 6 months or so.
jonkuperman.com
TIL I am still not British enough
jonkuperman.com
Genuinely curious, do you think people who have continued to use X/Twitter post-acquisition have had their world view altered by doing so? It seems clear to me Musk is actively trying (I believe he's admitted as much) to push against leftism. I'm curious if it's working?

Might delete this 😅
jonkuperman.com
I always think about the quote "The market can stay irrational longer than you can stay solvent"
jonkuperman.com
people with money invested in the SP500 - maybe don't check your accounts today
jonkuperman.com
I’m not super experienced here but I always use the latest Claude model
jonkuperman.com
Are there any apps that even come close to being this annoying?
A push notification from Duolingo that says the word please in all capital letters with like 20 A’s
Reposted by Jon Kuperman
titiancernicova.bsky.social
Always happy to see something you worked on out in the wild! Love to see isolated declarations being used 😊. #viteconf.amsterdam
jonkuperman.com
Wish I was there! Sounds great!
jonkuperman.com
This is so good! I hope you have a blast!
jonkuperman.com
these smoke detector beeps could have been an email
jonkuperman.com
I picked up a sushi takeaway and they gave me NINE sets of chopsticks
Nine sets of chopsticks
jonkuperman.com
@chriscoyier.net I just tried to type your name and my phone autocorrected to Chris Coyote. Just something to consider! 🤣
jonkuperman.com
Man I haven't watched those in years but can still picture this scene perfectly
Reposted by Jon Kuperman
joyeecheung.bsky.social
I gave a talk today at @nordicjs.com about shipping Node.js packages in 2025...or how to transition from shipping dual/faux-ESM/CommonJS to shipping ESM directly!

Slides at github.com/joyeecheung/...
github.com
jonkuperman.com
A tiny bit embarrassed to say but I don’t think I’ve ever been to Oklahoma!
jonkuperman.com
Would support somewhere else be super beneficial here? More devtools?
jonkuperman.com
I would love my sister no matter what she did for work but having a nurse for a sister rules
jonkuperman.com
Wow this surprised me (just looked it up)
jonkuperman.com
Would love to read a long form post on this journey! (No pressure obviously)
jonkuperman.com
that was an extraordinarily difficult read... I don't know how we come back from this