Web Engines Hackfest
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webengineshackfest.org
Web Engines Hackfest
@webengineshackfest.org
Dates: 15-17 June 2026
Venue: Palexco (A Coruña, Galicia, Spain)
Host & Organizer: @igalia.com

Website: https://webengineshackfest.org/
Wiki: https://github.com/Igalia/webengineshackfest/wiki
If you're at W3C TPAC, tomorrow there will be breakout session about the Web Engines Hackfest, where you will learn more about the event and can ask anything about it www.w3.org/events/meeti...
12 November 2025 | Web Engines Hackfest / TPAC 2 | Calendar
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web standards.
www.w3.org
November 11, 2025 at 10:18 AM
Registration form for the Web Engines Hackfest 2026 is now open: forms.gle/7gSwfFebFW7s...
A couple of reminders, it'll happen in June 15 to 17 in A Coruña (Galicia, Spain) and you only need to register if you're planning to attend onsite.
More info about the event at webengineshackfest.org
Web Engines Hackfest 2026 - Data
Please complete this short form to confirm your onsite participation in the Web Engines Hackfest 2026 (15-17 June in A Coruña, Galicia, Spain). Remember that you don't need to fill out this form to pa...
forms.gle
November 7, 2025 at 7:58 AM
Reposted by Web Engines Hackfest
Great event - and fortunately not conflicting with css day this year, i think. If you can, try to make it!
October 1, 2025 at 12:34 PM
Save the date! The Web Engines Hackfest 2026 will be held from June 15 to 17 in A Coruña (Galicia, Spain) www.igalia.com/2025/10/01/A...
Announcing the 16th Web Engines Hackfest | Igalia
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...
www.igalia.com
October 1, 2025 at 12:09 PM
Reposted by Web Engines Hackfest
And you can find recordings of all the Web Engines Hackfest talks at www.youtube.com/playlist?lis...
August 14, 2025 at 8:44 AM
A look back at the Web Engines Hackfest 2025: we have just published photos at flickr.com/photos/webha... 📷
Web Engines Hackfest 2025
Explore this photo album by Web Engines Hackfest on Flickr!
flickr.com
August 14, 2025 at 8:39 AM
Reposted by Web Engines Hackfest
For those who missed Adrián's talk at the @webengineshackfest.org about #WPE on #Android, the talk recording and the slides are now available:

- Video: www.youtube.com/watch?v=tjtv...
- Slides: www.slideshare.net/slideshow/ju...
Adrián Pérez de Castro - Jumping Over the Garden Wall - WPE WebKit on Android
YouTube video by Web Engines Hackfest
www.youtube.com
July 1, 2025 at 2:47 PM
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Web Engines Hackfest 2025 - YouTube
www.youtube.com
June 23, 2025 at 11:51 AM
Reposted by Web Engines Hackfest
📽️ All the videos of the Web Engines Hackfest 2025 talks are available in the following playlist. Enjoy them! www.youtube.com/playlist?lis...
Web Engines Hackfest 2025 - YouTube
www.youtube.com
June 24, 2025 at 1:03 PM
Thomas Steiner talks about built-in AI APIs for the Web at the Web Engines Hackfest 2025 @tomayac.com www.youtube.com/watch?v=FNcD...
Thomas Steiner - Built-in AI APIs for the Web
YouTube video by Web Engines Hackfest
www.youtube.com
June 20, 2025 at 4:48 AM
Mike Pennisi talks about AT Driver and how to automate assistive tech with standards at the Web Engines Hackfest 2025 www.youtube.com/watch?v=2Xip...
Mike Pennisi -
YouTube video by Web Engines Hackfest
www.youtube.com
June 19, 2025 at 4:39 PM
Adrián Pérez de Castro talks about WPE WebKit on Android at the Web Engines Hackfest 2025 @wpewebkit.org www.youtube.com/watch?v=tjtv...
Adrián Pérez de Castro - Jumping Over the Garden Wall - WPE WebKit on Android
YouTube video by Web Engines Hackfest
www.youtube.com
June 19, 2025 at 4:14 AM
Christian Ulbrich talks about Versioned Web Components at Web Engines Hackfest 2025 www.youtube.com/watch?v=eJmC...
Christian Ulbrich - Versioned Web Components
YouTube video by Web Engines Hackfest
www.youtube.com
June 18, 2025 at 1:56 PM
Reposted by Web Engines Hackfest
This was a really insightful talk! A lot goes into onboarding all kinds of newbies into spec & browser work but mentorship is the most important (imo). Having a program like this is a net positive on the whole browser ecosystem. 🔥
Jonas Haukenes, Mikhail Barash & Shane Carr talk about how students have been helping with implementation of TC39 proposals in SpiderMonkey, V8, and Boa @bergen @sffc.bsky.social www.youtube.com/watch?v=WieD...
Haukenes, Barash & Carr - Cross-Engine Contributions at Scale: How newcomers accelerated Temporal...
YouTube video by Web Engines Hackfest
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June 18, 2025 at 7:17 AM
Reposted by Web Engines Hackfest
In this talk, I tell the story of how we're leveraging the Rust programming language to accelerate the Temporal implementation in V8. 🦀🦖
Jonas Haukenes, Mikhail Barash & Shane Carr talk about how students have been helping with implementation of TC39 proposals in SpiderMonkey, V8, and Boa @bergen @sffc.bsky.social www.youtube.com/watch?v=WieD...
Haukenes, Barash & Carr - Cross-Engine Contributions at Scale: How newcomers accelerated Temporal...
YouTube video by Web Engines Hackfest
www.youtube.com
June 18, 2025 at 7:11 AM
Jonas Haukenes, Mikhail Barash & Shane Carr talk about how students have been helping with implementation of TC39 proposals in SpiderMonkey, V8, and Boa @bergen @sffc.bsky.social www.youtube.com/watch?v=WieD...
Haukenes, Barash & Carr - Cross-Engine Contributions at Scale: How newcomers accelerated Temporal...
YouTube video by Web Engines Hackfest
www.youtube.com
June 18, 2025 at 5:22 AM
Joyee Cheung talks about CommonJS and ESM in Node.js at the Web Engines Hackfest 2025 @joyeecheung.bsky.social @nodejs.org www.youtube.com/watch?v=YRue...
Joyee Cheung - Bridging CommonJS and ESM in Node.js
YouTube video by Web Engines Hackfest
www.youtube.com
June 17, 2025 at 2:50 PM
Leo Kettmeir talks about the JavaScript Registry (JSR) at the Web Engines Hackfest 2025 @kettmeir.dev @jsr.io www.youtube.com/watch?v=Lc15...
Leo Kettmeir - JSR: under the hood & native support in the ecosystem
YouTube video by Web Engines Hackfest
www.youtube.com
June 17, 2025 at 8:36 AM
Andreu Botella & Luca Casonato talk about the new WinterTC and their plans related to standards for server-side runtimes @andreubotella.com @lcas.dev www.youtube.com/watch?v=elGN...
Andreu Botella & Luca Casonato - WinterTC: a standard for server-side runtimes
YouTube video by Web Engines Hackfest
www.youtube.com
June 16, 2025 at 10:01 PM
Oliver Medhurst talks about Porffor and compiling JavaScript ahead-of-time at the Web Engines Hackfest 2025 @goose.icu www.youtube.com/watch?v=RU5N...
Oliver Medhurst - Compiling JavaScript ahead-of-time
YouTube video by Web Engines Hackfest
www.youtube.com
June 16, 2025 at 7:03 AM
Reposted by Web Engines Hackfest
@webengineshackfest.org thank you all for another incredible conference! See you next year.
June 5, 2025 at 2:36 PM
Reposted by Web Engines Hackfest
Had such an amazing time at @webengineshackfest.org, can’t wait to attend again next year! One of the best technical conferences I’ve ever attended. Thank you to all of the people who worked hard to make it a reality!
June 5, 2025 at 12:14 PM
Reposted by Web Engines Hackfest
Cool summary of the @webengineshackfest.org. Thanks @burrito.space for attending another year and your insights on the Web Platform.
3rd time at @igalia.com Web Engines Hackfest

60ppl more than last year

definitely seeing more browser vendors represented and more stds groups meeting here
June 5, 2025 at 9:26 AM
The Web Engines Hackfest 2025.Thanks to all the people that participated, the speakers and everyone that hosted a breakout session. Hope you have enjoyed the event and looking forward to seeing you all here next year.
June 4, 2025 at 9:30 PM