CodePen Radio

CodePen Blog

The CodePen team talk about the ins and outs of running a web software business.

Episodes 23

Counted on this page — what you have heard stays on this device, so it is not something the list can be paged by.

March 5 · length unknown
419: Why 2.0?
CodePen 2.0 was the most ambitious project that weve ever taken on in our lives. Why would we do such a thing? Chris and Alex explain the thinking behind it. Weve been around a long time, know what our customers want, and are developers ourselves, so we
February 21 · length unknown
418: CodeMirror 6
Chris Coyier and Stephen Shaw discuss the transition from CodeMirror 5 to CodeMirror 6, highlighting the significant improvements in accessibility, performance, and user experience. They delve into architectural changes, integration with modern JavaScrip
Nov 18, 2025 · length unknown
417: Iframe Allow Attribute Saga
There was a day not long ago where a Google Chrome browser update left any page with a CodePen Embed on it throwing a whole big pile of red JavaScript errors in the console. Not ideal, obviously. The change was related to how the browser handles allo

Showing 21–23 of 23 episodes