Matt Woodrow - Webkit Engineer at Apple

Matt Woodrow

Webkit Engineer at Apple

Wellington, Wellington, New Zealand

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Summary

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Rockstar

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Top School

Matt Woodrow is a WebKit engineer with 16 years of experience building and optimising browser rendering engines, currently at Apple after a decade-plus at Mozilla where he led rendering and owned Gecko Painting. He specialises in front-end standards compliance and low-level rendering performance, contributing tests and fixes across WPT and WPE WebKit and optimisation work in Servo's WebRender. His work spans CSS layout and animation correctness (including subgrid and mask properties) through GPU-side rendering improvements, reflecting both specification-level rigor and performance engineering. Based in Wellington, New Zealand, he combines deep systems knowledge with a habit of improving test coverage and serialization to catch subtle cross-browser bugs before they ship.

16 years of coding experience

11 years of employment as a software developer

Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Massey University

Github Skills (29)

javascript10

c-language10

webpagetest10

shader10

testing10

css10

css-grid10

browser10

render10

webr10

dom10

optmization10

optimisation10

web-standards10

html10

Programming languages (7)

TypeScriptC++BikeshedRustJavaScriptHTMLPython

Github contributions (5)

servo/webrender

Sep 2018 - Apr 2021

A GPU-based renderer for the web

Role in this project:

Back-end Developer

Contributions:60 commits, 15 PRs, 16 comments in 2 years 7 months

Contributions summary:Matt's contributions primarily revolve around optimizing and refactoring the Webrender rendering engine. They focused on improving performance by addressing potential floating-point precision errors in depth testing and pre-allocating vectors for primitives. Further enhancements involved optimizing rendering performance by introducing changes such as reusing existing shaders and optimizing caching, along with introducing new indicators.

gpu

web-platform-tests/wpt

Mar 2019 - Nov 2022

Test suites for Web platform specs — including WHATWG, W3C, and others

Role in this project:

Front-end Developer

Contributions:7 reviews, 24 commits, 72 PRs in 3 years 8 months

Contributions summary:Matt primarily contributed to web platform testing within the Web Platform Tests (WPT) repository. Their work involved creating and modifying tests for various web standards, including CSS transforms, grid layout, and view transitions. They also added tests related to printing, cursor properties, and subgrid features, ensuring cross-browser compatibility and adherence to web specifications. The user's contributions demonstrate a focus on front-end development and web standards compliance.

w3ctestingtest-automationbrowserwhatwg

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