26 Sept 2026
Marie and Chris talk about CodePen Challenges. We've been at it for many years! We get into the technology behind it, how we build our own CMS for it that powers the website and the emails that get…
26 Sept 2026
Rach and Chris jump on the podcast to talk about the brand-new in-app notification system we built and shipped. We're actively trying to balance a system that isn't annoying, but allows us to show…
13 Sept 2026
Stephen just implemented a great UI feature for the 2.0 editor where all the Panels that were previously stuck to the left side of the page can now be dragged away to become an "Editor Tab" just like…
1 Sept 2026
Chris has Jacob Miller on the show, who is building a tool called DiffUI. The big idea is that it uses a diffusion model to do prompt-to-website design rather than an LLM, because image-based models…
20 Aug 2026
Stephen and Chris hop on to talk about the couple of weeks post 2.0 launch. Things are certainly different in 2.0! Literally the location of certain buttons is in a new place, and that requires folks…
7 Aug 2026
Just one week off our big 2.0 launch, Shaw and Chris hop on to talk about how email is actually a big part of the launch. Social media ain't what it used to be, and not everybody is on your app every…
7 Aug 2026
The whole team is here! That's a first for us. Today we're launching 2.0, so we're having a little fun in this episode picking out our favorite features. Time Jumps Links Plus a bonus appearance here…
19 Jul 2026
We just recently published the 300th CodePen Spark. Marie joins me on the show, as she leads up the creation of the vast majority of Spark newsletters. We get into things like why we do it, how we…
19 Jul 2026
In this show, Stephen and Chris get to talk about an internal technical detail we were improving in our database, which led to a public-facing feature for y'all. The idea is that all (most, anyway)…
19 Jul 2026
CodePen will host your assets, like images, data models, libraries, whatever. It's quite useful! They are easy to browse, easy to copy URLs or code snippets of usage, served with the right headers…
