Steve Heffernan
Co-founder and Product Architect
Creator of Video.js and co-founder of Zencoder. Semi-professional drummer and apparently drove a Civic lowered more than Mux's live latency in high school.
Written by Steve:
Published on March 10, 2026 (6 months ago)
Video.js v10 Beta: Hello, World (again)
By Steve Heffernan • 15 min read • Product • Video.js
Video.js v10 is a ground-up rewrite combining four open source players into one modern framework — 88% smaller default bundles, first-class React and TypeScript support, composable architecture, and beautiful new skins designed by Plyr's creator.
Published on September 9, 2025 (about 1 year ago)
Even devtools need great dashboards
By Darius, Rahim, and Steve • 7 min read • Engineering & Company
We’ve made some big changes to the Mux dashboard, and learned some big lessons about developer experience along the way