CodePen Radio
By CodePen Blog
The CodePen team talk about the ins and outs of running a web software business.
3 episodes
All Episodes
Next.js 16 and React 19 Upgrades Introduce Significant Compatibility Hurdles
Upgrading to Next.js 16 and React 19 introduces significant compatibility challenges, demanding hundreds of code modifications and refactoring for global styles and GraphQL imports.
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Next.js and React Upgrades: Complexity of New Features and Tooling
Next.js and React upgrades demand major refactoring for security and documentation access, introducing complex paradigms like the App Router and Turbopack.
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CodePen's Babel Strategy Balances Legacy Compatibility and Modernization
CodePen's new editor balances backward compatibility with modern JavaScript by using a "tweener" Babel config for old Pens and version-locked blocks for new ones.
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