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 (22 days 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 (7 months 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