2026 Web Engines Hackfest
Endorsed conferences
Yearly web platform community event for people working on the different engines, testing, specifications, web compat, documentation.
Add to calendarW3C is pleased to endorse the hybrid 2026 Web Engines Hackfest, a yearly Web Platform community event for people working on the different engines (Chromium/Blink/V8, Safari/WebKit/JSC, Firefox/Gecko/SpiderMonkey, Servo, Ladybird), on the testing side (WPT, Test262), on specifications (W3C, WhatWG, TC39), on web compat (webcompat.com), or on documentation (MDN Web Docs, web.dev).
During this event, a few W3C work groups will have an opportunity to meet there face-to-face.