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Sergey Rubanov

@sergey.works
547 followers 317 following 37 posts

TC39 Invited Expert. WebAssembly CG member. WebKit committer. Striving to bring WebAssembly to your web browser. Working on runtimes, standards, tools, and observability.

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Sergey Rubanov @sergey.works · 28/09/2026
I’ve already contributed to WPT, with both merged and still-open PRs. Reviews can take quite a while, so I thought I might be able to help and that having more reviewers could improve things. I believe I have enough experience to contribute here. Thanks! I’ll reach out in the Matrix chat.
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Sergey Rubanov @sergey.works · 26/09/2026
I’d appreciate it if someone could review my open WPT PRs: github.com/web-platform... I’d also be happy to add more Wasm tests to help improve coverage in WPT.
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Sergey Rubanov @sergey.works · 26/09/2026
I’m working closely with WebAssembly proposal champions and on Wasm support in WebKit. We could keep these tests WebKit-specific, but upstreaming them to WPT is much more valuable: it improves interoperability and benefits the web platform as a whole.
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Sergey Rubanov @sergey.works · 25/09/2026
Is there a path to becoming a member of the Web Platform Tests organization (github.com/web-platform...)? I'd love to contribute more to the Wasm tests, both by writing code and reviewing PRs.
github.com
web-platform-tests
web-platform-tests has 25 repositories available. Follow their code on GitHub.
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Sergey Rubanov @sergey.works · 03/09/2026
I'm officially a WebKit committer. Thank you to the JavaScriptCore reviewers. github.com/WebKit/WebKi...
github.com
Give Sergey Rubanov committer status by chicoxyzzy · Pull Request #73034 · WebKit/WebKit
12cdd85 Give Sergey Rubanov committer status Reviewed by Pascoe. Give me committer status. * metadata/contributors.json: Canonical link: https://commits.webkit.org/320330@main 028780e Misc...
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Sergey Rubanov @sergey.works · 25/08/2026
I have a couple more PRs with new tests added, but these two are real bugs.
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Sergey Rubanov @sergey.works · 25/08/2026
Anyone from Web Platform Tests around? Looking for a contact who can help land two small #WebAssembly WPT bug fixes — they flake / false-fail WebKit CI. Both green, just waiting on review. github.com/web-platform... github.com/web-platform...
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Sergey Rubanov @sergey.works · 20/08/2026
Hi! I’m working on improving #WebAssembly support in JavaScriptCore, the JS/Wasm engine used by WebKit / Safari and @bun.sh. If you run into any issues or bugs, please file a report: bugs.webkit.org/enter_bug.cg... or message me.
bugs.webkit.org
Log in to Bugzilla
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Sergey Rubanov @sergey.works · 13/10/2025
I've contributed to open source projects like WebKit, React, Babel. I'm TC39 Invited Expert with contributions to the spec, W3C WebAssembly CG. My LinkedIn: linkedin.com/in/chicoxyzzy/ My GitHub: github.com/chicoxyzzy
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Sergey Rubanov @sergey.works · 13/10/2025
Still looking for a job. I'm leaning to things like intersection of native and JavaScript, runtimes, developer tooling, browsers, WebAssembly, web security.
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Sergey Rubanov @sergey.works · 06/10/2025
😮 I can't find any remote positions at www.cloudflare.com/careers/jobs...
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Deno @deno.land · 18/09/2025
We’re in the discovery phase to #FreeJavaScript from Oracle: depositions, surveys, evidence, expert testimony. Costly, but vital to protect "JavaScript" for all. Help us put forward the strongest case possible👇 deno.com/blog/javascr...
deno.com
Help Us Raise $200k to Free the JavaScript from Oracle | Deno
Our legal battle over Oracle's claim on the word "JavaScript" is entering the discovery phase. Here's how you can help.
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Sergey Rubanov @sergey.works · 06/10/2025
Can share some wasabi
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Sergey Rubanov @sergey.works · 06/10/2025
on-site only? :(
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Sergey Rubanov @sergey.works · 03/10/2025
Just realized I hadn’t shared here yet: I’m currently job-hunting 👋 If you hear of any exciting opportunities, I’d love to connect!
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Sam Rose @samwho.dev · 11/07/2025
I made a quiz about the JS Date parser is. It's very easy and you will score very high. jsdate.wtf
jsdate.wtf
new Date("wtf")
How well do you know JavaScript's Date class?
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Sergey Rubanov @sergey.works · 17/03/2025
This year, I’ve started practicing scratching again. But unexpectedly, I’ve also started doing something I had almost forgotten — writing poetry. At first, it felt like a joke, but it turns out I really enjoy it.
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Sergey Rubanov @sergey.works · 14/03/2025
How did I miss that? 😞
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Sergey Rubanov @sergey.works · 20/02/2025
www.freeskatemag.com/2019/11/08/k...
freeskatemag.com
Keep MACBA skating
Why banning skateboarding isn't the answer.
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Web Engines Hackfest @webengineshackfest.org · 19/02/2025
A new edition of the Web Engines Hackfest will happen on June 2, 3 & 4 in A Coruña (Galicia, Spain). blogs.igalia.com/mrego/announ...
blogs.igalia.com
Announcing the Web Engines Hackfest 2025
A new edition of the Web Engines Hackfest will happen on June 2, 3 & 4 in A Coruña (Galicia, Spain).
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Sergey Rubanov @sergey.works · 19/01/2025
Is the runtime compatibility the problem usually or something else?
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Igalia @igalia.com · 10/01/2025
In 2022, Igalia helped establish WinterCG, which aimed to establish interoperability across server-side runtimes, as well as with the web. Now, this group moves to Ecma, becoming WinterTC, with our own @andreubotella.com as co-chair alongside Deno's @lcas.dev www.igalia.com/2025/01/10/W...
igalia.com
404 | Igalia - Open Source Consultancy and Development
Igalia is an open source consultancy specialised in the development of innovative projects and solutions. Our engineers have expertise in a wide range of technological areas, including browsers and cl...
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Deno @deno.land · 10/01/2025
Deno is committed to web standards - that's why we co-founded WinterCG two years ago. Today marks the next step in that journey: WinterCG moves to Ecma International as technical comittee 55 (TC55). Goodbye WinterCG, welcome WinterTC! deno.com/blog/wintertc
deno.com
Goodbye WinterCG, welcome WinterTC
WinterCG, the Web Interoperable Runtimes Community Group is moving to ECMA as TC55 to be able to publish standards.
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Sergey Rubanov @sergey.works · 09/01/2025
Me encanta Girona y estuve allí hace tres días :) También fui a Deltebro para ver flamencos y comer ostras, ¡fue genial!
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Deno @deno.land · 08/01/2025
#FreeJavaScript update: Oracle has informed us they won’t voluntarily withdraw their trademark on "JavaScript". Next: they’ll file their Answer and we’ll start discovery to show how "JavaScript" is widely recognized as a generic term and not controlled by Oracle.
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Sergey Rubanov @sergey.works · 09/01/2025
¿Me pueden recomendar una ciudad genial en Cataluña o cerca para pasar un buen fin de semana?
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Sergey Rubanov @sergey.works · 09/01/2025
So far, everything is going great!
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Sergey Rubanov @sergey.works · 09/01/2025
I was also looking for this information recently, but unfortunately, I couldn’t find anything suitable. Did you manage to find something in the end?
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Sergey Rubanov @sergey.works · 27/12/2024
learn a new language but only the swear words
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Sergey Rubanov @sergey.works · 27/12/2024
My plans for 2025: - drink more alcohol - do less sports - eat more junk food - procrastinate harder than ever - perfect the art of napping at awkward times
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Sergey Rubanov @sergey.works · 21/12/2024
All the VR glasses I’ve tried are useless. The only really useful and great stuff is Ray Ban Meta glasses. And they are working on Live Translation feature now! I wish other companies do the same stuff but better integrated with 3rd party apps
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Hidde @hidde.blog · 12/12/2024
Today, the W3C's Ethical Web Principles became a W3C Statement. They include sustainability, privacy, internationalisation and accessibility… all aspects of the web that are commonly under threat and need our full attention. Tnx @torgo.com and @hadleybeeman.bsky.social! www.w3.org/TR/ethical-w...
Ethical Web Principles, W3C Statement 12 December 2024

accordion “More details about this documen”, opened.

This version: https://www.w3.org/TR/2024/STMT-ethical-web-principles-20241212/

Latest published version:
https://www.w3.org/TR/ethical-web-principles/

Latest editor's draft:
https://w3ctag.github.io/ethical-web-principles/

History:
https://www.w3.org/standards/history/ethical-web-principles/

Link to commit history (URL not visible). 

Editors:
Daniel Appelquist (Invited Expert)
Hadley Beeman (Invited Expert)
Amy Guy (Digital Bazaar)
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Sergey Rubanov @sergey.works · 12/12/2024
WebAssembly Feature Extensions table is already up to date 😉 webassembly.org/features/
webassembly.org
Feature Extensions - WebAssembly
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Sergey Rubanov @sergey.works · 12/12/2024
With the recent Safari 18.2 release, WebAssembly Garbage Collection is now available in all the major browsers 🥳
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Deno @deno.land · 25/11/2024
It's done. Now it’s your turn, Oracle. We’ve submitted a formal petition to cancel the JavaScript trademark: it is generic, Oracle has abandoned it, and Oracle committed fraud on the USPTO during the last trademark renewal. It's time to #FreeJavaScript. deno.com/blog/deno-v-...
deno.com
Deno v. Oracle: Canceling the JavaScript Trademark
Oracle is holding the JavaScript trademark hostage, and we’re pursuing legal means to #FreeJavaScript. Here’s a brief update.
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Sergey Rubanov @sergey.works · 22/11/2024
Wow that's so cool!
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Sergey Rubanov @sergey.works · 22/11/2024
T'estimo, Barcelona 😘
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Thomas Steiner @tomayac.com · 19/11/2024
📢 New #WasmAssembly podcast episode 🎙️! Squishy #Wasm apps using #Extism with Dylibso's Steve Manuel: 🎧 Audio: wasmassembly.libsyn.com/squishy-wasm... 🍿 Video: www.youtube.com/watch?v=gJPY... I interview @nilslice.bsky.social of @extism.bsky.social fame on how to run #WebAssembly in your app.
wasmassembly.libsyn.com
WasmAssembly: Squishy Wasm apps using Extism with Dylibso's Steve Manuel - WasmAssembly
Join host Thomas Steiner and Steve Manuel from Dylibso as they dive deep into the world of "squishy" Wasm applications. Steve discusses Dylibso's mission to make all software squishy, using Wasm to un...
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Alex Bradbury @asbradbury.org · 19/11/2024
I've kicked off a starter pack of LLVM contributors/developers on Bluesky under @llvmweekly.org. Just let me know if I've missed you! Thanks to @chandlerc.blog for the friendly nudge
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Jay 🦋 @jay.bsky.team · 17/11/2024
Bienvenidos España!
Bluesky is the number one app in Spain 

Bluesky es la aplicación número uno en España
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Sergey Rubanov @sergey.works · 15/11/2024
Get better soon 🙏
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Manuel Rego @rego.bsky.social · 15/11/2024
Summary of the things that have happened in the @servo.org project since January 2023 when @igalia.com started to maintain it: blogs.igalia.com/mrego/servo-...
Servo stats for PRs merged on the main repository since 2018. Showing that the current numbers are similar to the ones in 2018-2019 in terms of PRs merged and average number of contributors per month. The chart shows the data from the table on the blog post: https://blogs.igalia.com/mrego/servo-revival-2023-2024/#some-numbers
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Daniel Ehrenberg @littledan.dev · 12/11/2024
I created a TC39 starter pack, so you can find current and former TC39 delegates. Please tell me who should be added to this set! (Or if you want to be taken out) go.bsky.app/UyBMCWN
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Sergey Rubanov @sergey.works · 11/11/2024
@yusukesuzuki.bsky.social @sosukesuzuki.bsky.social @basuke.bsky.social @bradeeoh.bsky.social @tadeuzagallo.bsky.social @nicolesullivan.bsky.social @rego.bsky.social Me 😊
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A. H. Zakai @kripken.com · 10/11/2024
WebAssembly has a great starter pack! 🎉 Is anyone missing?
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Sergey Rubanov @sergey.works · 09/11/2024
congrats and welcome!
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Sergey Rubanov @sergey.works · 08/11/2024
Now I have a nicer Bluesky handle You can also drop me a message on one of these emails now: dontpanic@sergey.works trustme@sergey.works nodoubt@sergey.works wellactually@sergey.works seriously@sergey.works barely@sergey.works
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Sergey Rubanov @sergey.works · 08/11/2024
congrats and welcome!
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Sergey Rubanov @sergey.works · 05/11/2024
Perhaps this work could also be carried out within the scope of TC39.
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Sergey Rubanov @sergey.works · 05/11/2024
It’s more of a W3C-related idea, but I was considering making the logging and exception handling mechanisms more flexible and configurable to facilitate easier integration with tools like OpenTelemetry.
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